NPPES file of Aug 9, 2026

John Cornelius Penner

Internal Medicine Physician · Santa Cruz, CA

John Cornelius Penner is an internal medicine physician with a practice address in Santa Cruz, California, and NPI 1356845341, issued on Mar 22, 2018. Check the license (California A167392, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356845341
Name
John Cornelius Penner
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A167392 CA
Self-reported in NPPES; status is on the state search
Practice location
555 Soquel Ave Ste 260, Santa Cruz, CA 95062
Phone
(408) 204-6990
Enumerated
Mar 22, 2018
Record last updated
Mar 30, 2026
Fax
(415) 594-0164
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 555 Soquel Ave Ste 260

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alicia Foronda, LMFTMarriage & Family Therapist1881879443
  2. Jaclyn GraceMarriage & Family Therapist1891196077
  3. Nina Kelly, LMFTMental Health Counselor1821635061
  4. Trish O'Connor, LCSWClinical Social Worker1164873329
  5. Aurore SibleyDoula1619767126
  6. Marga Vaquer-Rhodes, M.A., MFTMarriage & Family Therapist1639334592

Verify John Cornelius Penner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A167392    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Cornelius Penner among 17,696 internal medicine physician records in California

John Cornelius Penner is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,696 in California → Every provider in Santa Cruz → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Timothy W Allari, MDSanta Cruz, CA 950621013996370
  2. Laura Garvin, MDSanta Cruz, CA 950621235229196
  3. John JacksonSanta Cruz, CA 950621780664557
  4. Daniel Kim, M.D.Santa Cruz, CA 950621124008313
  5. Sarita LoboSanta Cruz, CA 950621528144334
  6. Beata Mach, MDSanta Cruz, CA 950621184604712
  7. Lindsy Martinez, M.D.Santa Cruz, CA 950621336672336
  8. Sandra Mendel, M.D.Santa Cruz, CA 950621538261011

Common questions

What is John Cornelius Penner's NPI number?

John Cornelius Penner's National Provider Identifier (NPI) is 1356845341, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is John Cornelius Penner located?

The NPPES record lists a practice address at 555 Soquel Ave Ste 260, Santa Cruz, CA, 95062. Phone: (408) 204-6990. Providers update this record themselves, so call before visiting.

How can I verify John Cornelius Penner's license?

NPPES lists California license number A167392, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.