David Gruenewald, M.D.
NPI 1285737189 · Geriatric Medicine (Internal Medicine) Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gruenewald, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Seattle, WA (NPI 1285737189).
Provider details
- NPI number
- 1285737189
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00021894 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-06
- Last updated
- 2025-09-11
Frequently asked questions
- What is David Gruenewald's NPI number?
- David Gruenewald's National Provider Identifier (NPI) is 1285737189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gruenewald's specialty?
- David Gruenewald is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Gruenewald located?
- David Gruenewald's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1597.
- What is David Gruenewald's phone number?
- The practice phone number listed in the NPPES registry for David Gruenewald is (206) 764-2869.
- Does David Gruenewald accept Medicare?
- David Gruenewald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gruenewald's NPI active?
- Yes — David Gruenewald's NPI (1285737189) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.