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Joshua Grischkan
NPI 1518493071 · Internal Medicine Physician · Sacramento, CA
Joshua Grischkan is a Internal Medicine Physician provider in Sacramento, CA (NPI 1518493071).
Provider details
- NPI number
- 1518493071
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A160616 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
2108 N St Ste N
Sacramento, CA 95816-5712
Phone: (424) 342-5918
Street-level locationGet directions
Mailing address
2108 N St Ste 8070
Sacramento, CA 95816-5712
Additional practice locations (1)
- 833 Chestnut StreetSuite 220Philadelphia, PA 19107-4405Phone: (215) 955-8465
Registry dates
- Enumerated
- 2017-05-03
- Last updated
- 2023-01-29
- Certified
- 2023-01-29
Frequently asked questions
- What is Joshua Grischkan's NPI number?
- Joshua Grischkan's National Provider Identifier (NPI) is 1518493071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Grischkan's specialty?
- Joshua Grischkan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Grischkan located?
- Joshua Grischkan's practice location on file with NPPES is 2108 N St Ste N, Sacramento, CA 95816-5712.
- What is Joshua Grischkan's phone number?
- The practice phone number listed in the NPPES registry for Joshua Grischkan is (424) 342-5918.
- Is Joshua Grischkan's NPI active?
- Yes — Joshua Grischkan's NPI (1518493071) is active in the NPPES registry as of the last update on 2023-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.