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

GILLIAN COSTA MD
NPI 1639754740
General Practice in Bethesda, MD

Active since March 10, 2021
8955 WOOD ROAD, BUILDING 1, 19TH FLOOR, ROOM 19121, BETHESDA, MD 20889(301) 319-8278 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 26, 2024, Mar 7, 2023, Mar 10, 2021 (3 updates tracked since 2021).

About Gillian Costa Md NPPES

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

GILLIAN COSTA MD (NPI 1639754740) is an individual general practice provider in Bethesda, Maryland, licensed in Virginia (0101276109) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1639754740
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameGILLIAN COSTACredential: MD
Location Address8955 WOOD ROAD, BUILDING 1, 19TH FLOOR, ROOM 19121Bethesda, MD 20889
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Phone(301) 319-8278
Sole ProprietorNo
Enumeration DateMarch 10, 2021
Last NPPES UpdateOctober 22, 20263 updates tracked since enumeration
NPPES CertifiedOctober 22, 2026
✔ NPI 1639754740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in VA · 0101276109
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
8955 WOOD ROAD, Bethesda, MD 20889
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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.

DR. ANTON PETRICH D.D.S, M.S.
Dentist (Prosthodontics)
8955 WOOD ROAD, BUILDING 1, RM 3521
BETHESDA, MD 20889
Montgomery County (301) 295-1550
KELSEY GROLIG MD
General Practice
8955 WOOD ROAD, BUILDING 1, 19TH FLOOR, ROOM 19123
BETHESDA, MD 20889
Montgomery County (301) 319-8373
DR. CORY BLAKE PISARRA DO
General Practice
8955 WOOD ROAD, BUILDING 1, 19TH FLOOR, ROOM 19123
BETHESDA, MD 20889
Montgomery County (301) 319-8373
RACHEL VICTORIA DULEBOHN D.M.D.
Dentist (Periodontics)
8955 WOOD ROAD, BUILDING 1 , 2ND FLOOR, PERIODONTICS
BETHESDA, MD 20889
Montgomery County (301) 295-0077
DR. PETER KRUMBHAAR DDS
Dentist
8955 WOOD ROAD, SUITE 2414
FPO, AP 20889
Montgomery County (301) 400-2743

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 Gillian Costa's NPI number?

The NPI number for Gillian Costa is 1639754740. It was assigned to this individual provider in the NPPES registry on March 10, 2021.

Where is Gillian Costa located?

Gillian Costa practices at 8955 Wood Road Building 1, 19th Floor, Room 19121, Bethesda, MD 20889. The listed phone number is (301) 319-8278.

What is Gillian Costa's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Gillian Costa was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.