Gerald Jankowski, M.D.
NPI 1538248117 · Internal Medicine Physician · Roseville, CA
Gerald Jankowski, M.D. is a Internal Medicine Physician provider in Roseville, CA (NPI 1538248117).
Provider details
- NPI number
- 1538248117
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G11783 (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
- 2006-11-03
- Last updated
- 2007-10-02
Frequently asked questions
- What is Gerald Jankowski's NPI number?
- Gerald Jankowski's National Provider Identifier (NPI) is 1538248117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Jankowski's specialty?
- Gerald Jankowski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Jankowski located?
- Gerald Jankowski's practice location on file with NPPES is 1000 Sunrise Ave, Roseville, CA 95661-7005.
- What is Gerald Jankowski's phone number?
- The practice phone number listed in the NPPES registry for Gerald Jankowski is (916) 769-4085.
- Is Gerald Jankowski's NPI active?
- Yes — Gerald Jankowski's NPI (1538248117) is active in the NPPES registry as of the last update on 2007-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.