Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARY CATHERINE BROWN MD
NPI 1861953119
Otolaryngology - Pediatric Otolaryngology in Baltimore, MD

Q: What is Mary Brown's NPI number?

The NPI number for Mary Brown is 1861953119. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Q: What is Mary Brown's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Q: When was this NPI record last updated?

The NPPES record for Mary Brown was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.

Active since March 28, 2019PECOS Enrolled

4940 EASTERN AVE, BALTIMORE, MD 21224(410) 550-5568 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 17, 2026, May 1, 2026 (2 updates tracked since 2026).

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About Dr. Mary Catherine Brown Md NPPES

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

DR. MARY CATHERINE BROWN MD (NPI 1861953119) is an individual pediatric otolaryngology provider in Baltimore, Maryland, licensed in Pennsylvania (MT230506) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861953119

Entity TypeIndividualFemale

Primary Taxonomy207YP0228X

Provider Legal NameDR. MARY CATHERINE BROWNCredential: MD

Location Address4940 EASTERN AVEBaltimore, MD 21224-2735

Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423

Phone(410) 550-5568

Sole ProprietorNo

Enumeration DateMarch 28, 2019

Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration

NPPES CertifiedJuly 17, 2026

✔ NPI 1861953119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207YP0228X

License✔ Licensed in PA · MT230506

Definition

A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.

Also ListedOtolaryngologyTaxonomy 207Y00000X · License D0106727 (MD)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4940 EASTERN AVE, Baltimore, MD 21224

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Catherine Brown Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 20

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

DR. SUSRUTHA KOTWAL MD

Internal Medicine

4940 EASTERN AVE, MFL BLDG, WEST TOWER, 6TH FLOOR
BALTIMORE, MD 21224

Baltimore City (410) 550-5018

DR. SAMANTHA A WOLFE MD

Otolaryngology