IndividualActive
Robert Chapnick, MD
NPI 1710045646 · Internal Medicine Physician · San Jose, CA
Robert Chapnick, MD is a Internal Medicine Physician provider in San Jose, CA (NPI 1710045646).
Provider details
- NPI number
- 1710045646
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G39374 (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
751 S Bascom Ave
Urgent Care
San Jose, CA 95128-2604
Phone: (408) 885-6900
Street-level locationGet directions
Mailing address
751 S Bascom Ave
San Jose, CA 95128-2604
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2007-09-12
Frequently asked questions
- What is Robert Chapnick's NPI number?
- Robert Chapnick's National Provider Identifier (NPI) is 1710045646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Chapnick's specialty?
- Robert Chapnick is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Chapnick located?
- Robert Chapnick's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is Robert Chapnick's phone number?
- The practice phone number listed in the NPPES registry for Robert Chapnick is (408) 885-6900.
- Is Robert Chapnick's NPI active?
- Yes — Robert Chapnick's NPI (1710045646) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.