MR. JOHN CORNELIUS PENNER
NPI 1356845341
Internal Medicine in Santa Cruz, CA

Q: What is John Penner's NPI number?

The NPI number for John Penner is 1356845341. It was assigned to this individual provider in the NPPES registry on March 22, 2018. The provider is also known as Mr. Jack Cornelius Penner.

Q: What is John Penner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for John Penner was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 22, 2018

555 SOQUEL AVE STE 260, SANTA CRUZ, CA 95062(408) 204-6990(415) 594-0164 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 30, 2026, Mar 22, 2018 (2 updates tracked since 2018).

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About Mr. John Cornelius Penner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JOHN CORNELIUS PENNER (NPI 1356845341) is an individual internal medicine provider in Santa Cruz, California, licensed in California (A167392) and active in the NPI registry since March 2018.

NPPES Registry Identity

NPI1356845341

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMR. JOHN CORNELIUS PENNER

Location Address555 SOQUEL AVE STE 260Santa Cruz, CA 95062-2340

Mailing Address609 Cayuga StSanta Cruz, CA 95062-2413 · (408) 204-6990 · Fax (415) 594-0164

Phone(408) 204-6990

Fax(415) 594-0164

Sole ProprietorNo

Enumeration DateMarch 22, 2018

Last NPPES UpdateMarch 30, 20262 updates tracked since enumeration

NPPES CertifiedMarch 30, 2026

✔ NPI 1356845341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A167392

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

555 SOQUEL AVE STE 260, Santa Cruz, CA 95062

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Other Names 1

Other Name (5)Mr. Jack Cornelius Penner

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRISH O'CONNOR LCSW

Social Worker (Clinical)