NPPES file of Aug 9, 2026

Vincent Pennisi, MD

Internal Medicine Physician · Stockton, CA

Vincent Pennisi, MD is an internal medicine physician with a practice address in Stockton, California, and NPI 1306375662, issued on Jun 8, 2017. Check the license (California A186288, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306375662
Name
Vincent Pennisi
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A186288 CA
Self-reported in NPPES; status is on the state search
Practice location
1805 N California St Ste 406, Stockton, CA 95204
Phone
(209) 227-7806
Enumerated
Jun 8, 2017
Record last updated
Apr 17, 2026
Fax
(209) 851-3853
Medicaid ID
PO1342 NY
Medicare enrollment
Enrolled (PECOS I20230615003762); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1805 N California St Ste 406

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

  1. Richard Camacho, MDInternal Medicine Physician1649253881

Verify Vincent Pennisi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A186288
    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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1% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,160 Medicare Part D claims for 494 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 37 claims were for opioids.

  1. Vincent Pennisi3,160
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate227 claims
  2. Atorvastatin Calcium221 claims
  3. Metformin Hcl157 claims
  4. Losartan Potassium141 claims
  5. Rosuvastatin Calcium116 claims
  6. Lisinopril82 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $499.85

18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vincent Pennisi$499.85
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Gill Medical Associates IncStockton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vincent Pennisi among 17,696 internal medicine physician records in California

Vincent Pennisi, MD 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. Its NPI, issued in 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2004 among the 11,065 with a school on file
  • 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).

89 internal medicine physician records list a practice address in Stockton

They are 89 of the 9,522 NPPES records with a practice address in Stockton, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Tanveer Bajwa, M.D.Stockton, CA 952041871871681
  2. Cecelia Blawie, MDStockton, CA 952041245261742
  3. Richard Camacho, MDStockton, CA 952041649253881
  4. Dorothy Do-Williams, M.D.Stockton, CA 952041215237631
  5. Nivedita Doshi, M.D.Stockton, CA 952041417301987
  6. Aziz Kamali, M.D.Stockton, CA 952041306923883
  7. Mrinmayee Naik, M.D.Stockton, CA 952041639559081
  8. Sundar Natarajan, M.D.Stockton, CA 952041588794085

Common questions

What is Vincent Pennisi, MD's NPI number?

Vincent Pennisi, MD's National Provider Identifier (NPI) is 1306375662, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Vincent Pennisi, MD located?

The NPPES record lists a practice address at 1805 N California St Ste 406, Stockton, CA, 95204. Phone: (209) 227-7806. Providers update this record themselves, so call before visiting.

How can I verify Vincent Pennisi, MD's license?

NPPES lists California license number A186288, 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.

How much does Vincent Pennisi, MD prescribe under Medicare Part D?

In 2024, Vincent Pennisi, MD had 3,160 Medicare Part D claims for 494 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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

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.