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Dr. Geralyn C. O'Reilly, MD

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Specializes in: Maternal and Fetal Medicine

New York Medical College (1994)

419 West Redwood Street Suite 500
Baltimore, MD 21201

(667) 214-1300

Dr. Geralyn C. O'Reilly, MD is a perinatologist in Baltimore, MD specializing in maternal and fetal medicine. She graduated from New York Medical College in 1994 and has 32 years of experience. Dr. Geralyn C. O'Reilly, MD is affiliated with University of Maryland Medical System.

Office Locations

University of Maryland Medical System

419 West Redwood Street Suite 500
Baltimore, MD 21201

(667) 214-1300

(410) 328-2648

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Noteworthy Medicare Patient Procedures Performed by Dr. Geralyn C. O'Reilly, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Affordability:

pelvic imaging

pelvic ultrasound

ultrasound

In 2012, Dr. Geralyn C. O'Reilly, MD had a list price for pelvic imaging, pelvic ultrasound, and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Maryland. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	12

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

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	11

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	11

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	22

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

Medicare Procedure and Patient Information

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	13

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	13

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	12

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

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Geralyn C. O'Reilly, MD treated as a perinatologist in Baltimore, MD during 2024 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Geralyn C. O'Reilly, MD for Medicare patients.

abdominal imaging	16
obstetrical procedures	16
pelvic imaging	32
prenatal testing	16
ultrasound (sonogram)	32
vascular procedures	16
women's imaging	16

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	19

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2024

Volume of procedures performed by Dr. Geralyn C. O'Reilly, MD for Medicare patients.

The highest averages for the top procedures that Dr. Geralyn C. O'Reilly, MD treated as a perinatologist in Baltimore, MD were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

abdominal imaging	16
obstetrical procedures	16
pelvic imaging	32
prenatal testing	16
ultrasound (sonogram)	32
vascular procedures	16
women's imaging	16

Average Medicare Patient Data From 2013 - 2024

Information about Medicare patients treated by Dr. Geralyn C. O'Reilly, MD.

**Gender**
Male	0
Female	14

**Age**
75 to 84	0
85 and over	0
Less than 65	14
65 to 74	0

Education & Training

Dr. Geralyn C. O'Reilly, MD graduated from New York Medical College in 1994. She completed residency at University of Washington Affiliated Hospitals. She is certified by the American Board of Obstetrics and Gynecology - Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology - Obstetrics and Gynecology and has a state license in Maryland.

Medical School: New York Medical College (1994)

Residency: University of Washington Affiliated Hospitals (1998)

Board Certification: American Board of Obstetrics and Gynecology - Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology - Obstetrics and Gynecology (2006)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Geralyn C. O'Reilly, MD is associated with these hospitals and organizations:

University of Maryland Medical System

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Geralyn C. O'Reilly, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Tandem Diabetes Care, Inc.	$19 t-slim insulin pump $19
Roche Diagnostics Corporation	$15 MD cobas Instruments and Reagents $15

**Types of Payments**
Food and Beverage	$34

Biography

Dr. Geralyn O'Reilly's specialty is maternal and fetal medicine. She attended New York Medical College and then went on to complete her residency at a hospital affiliated with the University of Washington. She is affiliated with the University of Maryland Medical System.