Dr. Mary Ahern, MD
OB-GYN (Obstetrics & Gynecology) (Obstetrics & Gynecology Physician)
6565 N Charles St Ste 212
Baltimore, MD 21204
Who else practices at this address →
Baltimore County includes dental (23% of residents) shortage areas. About shortage areas
At a glance
- Medical school
- Temple University School of Medicine (2020)
- Years since graduation
- 6
- In the NPI registry since
- 2020
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2020Medical school: Temple University School of Medicine
- 2020Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Obstetrics & Gynecology Physician primary
MD license D0099639
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Map: OB-GYN (Obstetrics & Gynecology) per capita by county →
Where they work
Hospitals
- Greater Baltimore Medical Center Baltimore, MD
Medical groups
- Capital Womens Care LLC (281 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Payments from drug and device companies
In 2025, 13 companies reported 25 payments worth $506 in total to this clinician.
| Sage Therapeutics, LLC | $145 |
|---|---|
| Exeltis, USA Inc. | $64.84 |
| Organon LLC | $60.29 |
| Bayer HealthCare Pharmaceuticals Inc. | $39.91 |
| Supernus Pharmaceuticals, Inc. | $35.48 |
| Mayne Pharma Commercial LLC | $24.54 |
| Shield Therapeutics Inc | $24.23 |
| Astellas Pharma US Inc | $22.07 |
| Food and Beverage | $506 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.