Jon Sterngold MD Inc a Professional Corporation
NPI 1811490899 · Internal Medicine Physician · Santa Rosa, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Sterngold MD Inc a Professional Corporation is a Internal Medicine Physician organization in Santa Rosa, CA (NPI 1811490899).
Provider details
- NPI number
- 1811490899
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jon Sterngold, Owner(707) 595-3133
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Other names (DBA / former)
- Doing business as
- Bonsana Medical Group
Additional practice locations (1)
- 1400 Expo PkwySacramento, CA 95815-4230Phone: (707) 595-3133
Registry dates
- Enumerated
- 2018-03-15
- Last updated
- 2021-06-04
- Certified
- 2021-06-04
Frequently asked questions
- What is Jon Sterngold MD Inc a Professional Corporation's NPI number?
- Jon Sterngold MD Inc a Professional Corporation's National Provider Identifier (NPI) is 1811490899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jon Sterngold MD Inc a Professional Corporation?
- Jon Sterngold MD Inc a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Sterngold MD Inc a Professional Corporation located?
- Jon Sterngold MD Inc a Professional Corporation's practice location on file with NPPES is 1287 Fulton Rd, Santa Rosa, CA 95401-4923.
- What is Jon Sterngold MD Inc a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Jon Sterngold MD Inc a Professional Corporation is (707) 595-3133.
- Does Jon Sterngold MD Inc a Professional Corporation accept Medicare?
- Jon Sterngold MD Inc a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Jon Sterngold MD Inc a Professional Corporation?
- The authorized official listed on Jon Sterngold MD Inc a Professional Corporation's NPPES record is Jon Sterngold, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jon Sterngold MD Inc a Professional Corporation's NPI active?
- Yes — Jon Sterngold MD Inc a Professional Corporation's NPI (1811490899) is active in the NPPES registry as of the last update on 2021-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.