John Penner
NPI 1356845341 · Internal Medicine Physician · Santa Cruz, CA
John Penner is a Internal Medicine Physician provider in Santa Cruz, CA (NPI 1356845341).
Provider details
- NPI number
- 1356845341
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A167392 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-03-22
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is John Penner's NPI number?
- John Penner's National Provider Identifier (NPI) is 1356845341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Penner's specialty?
- John Penner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Penner located?
- John Penner's practice location on file with NPPES is 555 Soquel Ave Ste 260, Santa Cruz, CA 95062-2340.
- What is John Penner's phone number?
- The practice phone number listed in the NPPES registry for John Penner is (408) 204-6990.
- Is John Penner's NPI active?
- Yes — John Penner's NPI (1356845341) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.