Sierrah Grigsby, MD, PHD
NPI 1336840073 · General Practice Physician · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierrah Grigsby, MD, PHD is a General Practice Physician provider in Bethesda, MD (NPI 1336840073).
Provider details
- NPI number
- 1336840073
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101283130 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Military Health Care Provider171000000X
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-10
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Sierrah Grigsby's NPI number?
- Sierrah Grigsby's National Provider Identifier (NPI) is 1336840073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierrah Grigsby's specialty?
- Sierrah Grigsby is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Sierrah Grigsby located?
- Sierrah Grigsby's practice location on file with NPPES is 4494 Palmer Rd N, Bethesda, MD 20889-0001.
- What is Sierrah Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Sierrah Grigsby is (301) 295-4810.
- Does Sierrah Grigsby accept Medicare?
- Sierrah Grigsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sierrah Grigsby's NPI active?
- Yes — Sierrah Grigsby's NPI (1336840073) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.