John Rupnik, M.D.
NPI 1942290770 · Internal Medicine Physician · Napa, CA
John Rupnik, M.D. is a Internal Medicine Physician provider in Napa, CA (NPI 1942290770).
Provider details
- NPI number
- 1942290770
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G27568 (CA)
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
20 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
- 2005-10-24
- Last updated
- 2013-12-12
Frequently asked questions
- What is John Rupnik's NPI number?
- John Rupnik's National Provider Identifier (NPI) is 1942290770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rupnik's specialty?
- John Rupnik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Rupnik located?
- John Rupnik's practice location on file with NPPES is 3443 Villa Ln, Napa, CA 94558-6417.
- What is John Rupnik's phone number?
- The practice phone number listed in the NPPES registry for John Rupnik is (707) 253-8901.
- Is John Rupnik's NPI active?
- Yes — John Rupnik's NPI (1942290770) is active in the NPPES registry as of the last update on 2013-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.