1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Military Health Care Provider
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MONTANA HEATH SIMPSON DO
NPI 1659173292
Military Health Care Provider in Bethesda, MD

Active since March 25, 2025
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-0196 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 31, 2026, Jun 17, 2025, Mar 25, 2025 (3 updates tracked since 2025).

About Dr. Montana Heath Simpson Do NPPES

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

DR. MONTANA HEATH SIMPSON DO (NPI 1659173292) is an individual military health care provider provider in Bethesda, Maryland and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1659173292
Entity TypeIndividualMale
Primary Taxonomy171000000X
Provider Legal NameDR. MONTANA HEATH SIMPSONCredential: DO
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001 · (301) 295-0196
Phone(301) 295-0196
Sole ProprietorNo
Enumeration DateMarch 25, 2025
Last NPPES UpdateJuly 31, 20263 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
✔ NPI 1659173292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyMilitary Health Care ProviderOther Service Providers
Taxonomy Code171000000X
Definition
Active duty military health care providers not otherwise classified who need to be separately identified for operational, clinical, or administrative processes.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 0102210411 (VA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8901 ROCKVILLE PIKE, Bethesda, MD 20889
Open in Google Maps ↗

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. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

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 Montana Simpson's NPI number?

The NPI number for Montana Simpson is 1659173292. It was assigned to this individual provider in the NPPES registry on March 25, 2025.

Where is Montana Simpson located?

Montana Simpson practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-0196.

What is Montana Simpson's specialty?

The primary specialty registered for this NPI is Military Health Care Provider with taxonomy code 171000000X.

When was this NPI record last updated?

The NPPES record for Montana Simpson was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.