MARY AHERN MD
NPI 1700413499
Obstetrics & Gynecology in Baltimore, MD

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
6565 N CHARLES ST STE 212, BALTIMORE, MD 21204(410) 823-1120 Get Directions Write a Review

NPPES record last updated: July 2, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 2, 2024, Mar 24, 2020 (2 updates tracked since 2020).

About Mary Ahern Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY AHERN MD (NPI 1700413499) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D0099639) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of Temple University School Of Medicine (2020).

NPPES Registry Identity

NPI1700413499
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARY AHERNCredential: MD
Location Address6565 N CHARLES ST STE 212Baltimore, MD 21204-5805
Mailing Address6565 N Charles St Ste 212Baltimore, MD 21204-5805
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateJuly 2, 20242 updates tracked since enumeration
NPPES CertifiedJuly 2, 2024
NPI 1700413499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MD · D0099639
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
6565 N CHARLES ST STE 212, Baltimore, MD 21204

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Ahern Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294154613
PECOS Enrollment IDI20240809003891
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210044
Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
6565 N CHARLES ST STE 212
BALTIMORE, MD 21204
Obstetrics & Gynecology
6565 N CHARLES ST STE 212
TOWSON, MD 21204
Obstetrics & Gynecology
6565 N CHARLES ST STE 212
BALTIMORE, MD 21204
Obstetrics & Gynecology
6565 N CHARLES ST STE 212
TOWSON, MD 21204
Physician Assistant
6565 N CHARLES ST STE 212
TOWSON, MD 21204

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Ahern's NPI number?

The NPI number for Mary Ahern is 1700413499. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Mary Ahern located?

Mary Ahern practices at 6565 N Charles St Ste 212, Baltimore, MD 21204. The listed phone number is (410) 823-1120.

What is Mary Ahern's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mary Ahern enrolled in Medicare?

Yes. Mary Ahern is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Ahern affiliated with any hospitals?

According to CMS data, Mary Ahern is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Ahern was last updated on July 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.