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Dr. Luis Alberto Diaz Jr., MD

Accepting New Patients

(Luis Diaz Jr., MD - MSK Gastrointestinal Medical Oncologist)

(72 Ratings)

Specializes in: Medical Oncology, Physician, Oncology (Cancer Care) and Adult Oncology

University of Michigan Medical School

Professional interests include: bile duct cancer (cholangiocarcinoma), pancreatic cancer, immunotherapy, and more.

1275 York Avenue Between 67th and 68th Streets
New York, NY 10065

(347) 384-6296

Dr. Luis Alberto Diaz Jr., MD is a medical oncologist in New York, NY specializing in medical oncology, physician, oncology (cancer care) and adult oncology. He graduated from University of Michigan Medical School. Dr. Luis Alberto Diaz Jr., MD is affiliated with Memorial Sloan Kettering Cancer Center.

Office Locations

1275 York Avenue Between 67th and 68th Streets
New York, NY 10065

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In The News (see more mentions in the news)

“"These results could change how we treat some cancers," said Dr. Luis Diaz Jr., head of the division of solid tumor oncology at...”—"Access Health: Cancer research's golden age is on shaky ground", Newsweek, May 2025

“"The first study we published in 2022 showed that we could do this in rectal cancer patients whose tumors had the mismatch repair-deficiency mutation, and what was remarkable there was that 100% of...”—"Immunotherapy helps certain cancer patients avoid surgery, other invasive treatments: 'We hope this is the future'", CNN, May 2025

“The phase 2 study was conducted by gastrointestinal oncologists Andrea Cercek, MD, and Luis Diaz Jr., MD and led by Memorial Sloan Kettering Cancer Center and funded substantially by Swim Across...”—"Immunotherapy Could Replace Surgery for Certain Types of Cancer, New Study Finds", Yahoo News, April 2025

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	55

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	57

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	17
Female	17

**Ethnicity**
Non-Hispanic White	23
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2013

Hypertension	65
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	18
Female	15

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2014

Hypertension	58
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	39
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	55

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	32
Female	46

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2015

Hypertension	64
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	41
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	74

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	62

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	16
Female	20

**Ethnicity**
Non-Hispanic White	25
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2016

Hypertension	47
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	39
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	12

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2018

Hypertension	0
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	32

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2020

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	71

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2021

Hypertension	71
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	62

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	44

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2022

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	73

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	104

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	14
Female	16

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2023

Hypertension	57
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	63

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	87

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Male	17
Female	15

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD in 2024

Hypertension	56
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	34
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Luis Alberto Diaz Jr., MD for Medicare patients.

doctor visit	57

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD.

**Gender**
Female	11
Male	10

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	4
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	0
Less than 65	0
65 to 74	12

Average of Total of Conditions of Medicare patients treated by Dr. Luis Alberto Diaz Jr., MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Luis Alberto Diaz Jr., MD treated were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	44
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	10
Depression	0
Chronic Kidney Disease	5
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	8
Atrial Fibrillation	3
Cancer	65
Dementia	0

Education & Training

Dr. Luis Alberto Diaz Jr., MD graduated from University of Michigan Medical School. He completed residency at Johns Hopkins University Affiliated Hospitals. He is certified by the Board Certification: Medical Oncology and has a state license in Maryland.

Medical School: University of Michigan Medical School

Residency: Johns Hopkins University Affiliated Hospitals

Board Certification: Board Certification: Medical Oncology

Licensed In: Maryland

Affiliations & Hospitals

Dr. Luis Alberto Diaz Jr., MD is associated with these hospitals and organizations:

Memorial Sloan Kettering Cancer Center

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Luis Alberto Diaz Jr., MD appears to accept the following insurance providers: Horizon Blue Cross Blue Shield New Jersey Omnia Tier II (EPO), Magnacare, Emblem Essential, Oscar, Fidelis, Healthfirst Medicare Advantage, Healthsmart, Empire Plan / NYSHIP (Blue Cross/UnitedHealthcare split plan), Aetna, Tricare, Oxford, Fidelis Managed Medicaid & HARP, Healthfirst, Cigna, Qualcare, MVP, Connecticare, First Health, Multiplan/Beech Street/PHCS, World Trade Center Health Program (WTC), Blue Cross Blue Shield states outside of NY/NJ, Empire Essential, Non-Participating Plans with Out of Network Benefits, Blue Cross Blue Shield New York, Blue Cross Blue Shield Federal Employee Program, UMR, Carrum Health, Medicare Part A&B (traditional Medicare) and Blue Cross Health Plus.

Insurance Accepted by Provider includes:

According to our sources, Dr. Luis Alberto Diaz Jr., MD accepts the following insurance providers:

Horizon Blue Cross Blue Shield New Jersey Omnia Tier II (EPO)

Magnacare

Emblem Essential

Oscar

Fidelis

Healthfirst Medicare Advantage

Healthsmart

Empire Plan / NYSHIP (Blue Cross/UnitedHealthcare split plan)

Aetna

Tricare

Oxford

Fidelis Managed Medicaid & HARP

Healthfirst

Cigna

Qualcare

MVP

Connecticare

First Health

Multiplan/Beech Street/PHCS

World Trade Center Health Program (WTC)

Blue Cross Blue Shield states outside of NY/NJ

Empire Essential

Non-Participating Plans with Out of Network Benefits

Blue Cross Blue Shield New York

Blue Cross Blue Shield Federal Employee Program

UMR

Carrum Health

Medicare Part A&B (traditional Medicare)

Blue Cross Health Plus

Ratings & Reviews

Dr. Luis Alberto Diaz Jr., MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 72 ratings. We collect ratings and reviews of Dr. Luis Alberto Diaz Jr., MD from all over the web to help you find the right in New York, NY.

4.9

Overall Rating

(72 Ratings)

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General Payments

These charts describe general payments received by Dr. Luis Alberto Diaz Jr., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Merck Sharp & Dohme Corporation	$48,070 KEYTRUDA $18,446	NON-PRODUCT $118	$29,506
Amgen Inc.	$2,890 Vectibix $2,890
Spectrum Pharmaceuticals Inc.	$2,400 Belinostat $2,400
Genentech USA, Inc.	$199 Avastin $199
AstraZeneca UK Limited	$125 $125
Other	$442 Star $75	NAMZARIC $15	Gambro - Accute $15	ThrombateIII $15	GLYXAMBI $12	Other $311

**Types of Payments**
Travel and Lodging	$27,653
Consulting Fee	$19,494
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,900
Food and Beverage	$2,296
Education	$783

Research Payments

Dr. Luis Alberto Diaz Jr., MD has received 17 research payments totaling $80,073.

Biography

Dr. Luis Diaz is a medical specialist in physician, adult oncology, and medical oncology. His average rating from his patients is 5.0 stars (out of 5). Areas of expertise for Dr. Diaz include immunotherapy, rectal cancer, and colon cancer. He most likely takes ConnectiCare, Blue California, and HealthSmart, as well as other insurance carriers. He attended the University of Michigan Medical School and then went on to complete his residency at a hospital affiliated with Johns Hopkins University. Awards and/or distinctions Dr. Diaz has received include New York Super Doctors; Elected Member, National Academy of Medicine; and AACR Team Science Award. He speaks Spanish. Dr. Diaz is professionally affiliated with Memorial Sloan Kettering Cancer Center. According to Yext, he is currently accepting new patients at his office in New York, NY.