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Kishan Thapar, M.D.
NPI 1881790251 · Internal Medicine Physician · Ontario, CA
Kishan Thapar, M.D. is a Internal Medicine Physician provider in Ontario, CA (NPI 1881790251).
Provider details
- NPI number
- 1881790251
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A46206 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
4150 Concours Ste 100
Ontario, CA 91764-5914
Phone: (909) 932-1045
Fax: (909) 931-5077
Street-level locationGet directions
Mailing address
2130 Archdale St
Riverside, CA 92506-1601
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kishan Thapar's NPI number?
- Kishan Thapar's National Provider Identifier (NPI) is 1881790251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kishan Thapar's specialty?
- Kishan Thapar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kishan Thapar located?
- Kishan Thapar's practice location on file with NPPES is 4150 Concours Ste 100, Ontario, CA 91764-5914.
- What is Kishan Thapar's phone number?
- The practice phone number listed in the NPPES registry for Kishan Thapar is (909) 932-1045.
- Is Kishan Thapar's NPI active?
- Yes — Kishan Thapar's NPI (1881790251) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.