John Zingheim, M.D.
NPI 1821198821 · Internal Medicine Physician · Roseville, CA
John Zingheim, M.D. is a Internal Medicine Physician provider in Roseville, CA (NPI 1821198821).
Provider details
- NPI number
- 1821198821
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G58672 (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
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
- 2006-09-22
- Last updated
- 2015-07-27
Frequently asked questions
- What is John Zingheim's NPI number?
- John Zingheim's National Provider Identifier (NPI) is 1821198821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zingheim's specialty?
- John Zingheim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Zingheim located?
- John Zingheim's practice location on file with NPPES is 3 Medical Plaza Dr, Roseville, CA 95661-3087.
- What is John Zingheim's phone number?
- The practice phone number listed in the NPPES registry for John Zingheim is (916) 797-4715.
- Is John Zingheim's NPI active?
- Yes — John Zingheim's NPI (1821198821) is active in the NPPES registry as of the last update on 2015-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.