Harry Simms, MD
NPI 1447388343 · Emergency Medicine Physician · Sebastopol, CA
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Simms, MD is a Emergency Medicine Physician provider in Sebastopol, CA (NPI 1447388343).
Provider details
- NPI number
- 1447388343
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G30706 (CA)
Specialties & taxonomies
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
- 2007-03-01
- Last updated
- 2015-06-25
Frequently asked questions
- What is Harry Simms's NPI number?
- Harry Simms's National Provider Identifier (NPI) is 1447388343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Simms's specialty?
- Harry Simms is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Simms located?
- Harry Simms's practice location on file with NPPES is 652 Petaluma Ave Ste H, Sebastopol, CA 95472-4266.
- What is Harry Simms's phone number?
- The practice phone number listed in the NPPES registry for Harry Simms is (707) 823-3166.
- Does Harry Simms accept Medicare?
- Harry Simms is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Simms's NPI active?
- Yes — Harry Simms's NPI (1447388343) is active in the NPPES registry as of the last update on 2015-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.