Peter R. Drummond, DO
Internal Medicine Physician · Stockton, CA
Peter R. Drummond, DO is an internal medicine physician with a practice address in Stockton, California, and NPI 1508822768, issued on Apr 25, 2006. Check the license (California 20A66991, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter R. Drummond
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A66991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2505 W Hammer LN, Stockton, CA 95209
- Phone
- (209) 957-7050
- Enumerated
- Apr 25, 2006
- Record last updated
- Jun 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00AX66990 CA
- Medicare enrollment
- Enrolled (PECOS I20050621001263); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2505 W Hammer LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seema Abbasi, MBBSInternal Medicine Physician1588087738
- Emmeline Abellera, FNP-C, MSNNurse Practitioner1720144785
- Saleha Ahmed, M.D.Internal Medicine Physician1275561805
- Syed Ali, MDFamily Medicine Physician1548349038
- Krystle Balduzzi, MDPediatrics Physician1689993396
- Harsimran Basra, MDInternal Medicine Physician1710220454
Verify Peter R. Drummond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A66991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,637 Medicare Part D claims for 939 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 908 claims were for opioids.
Most prescribed
- Atorvastatin Calcium908 claims
- Amlodipine Besylate519 claims
- Hydrocodone-Acetaminophen512 claims
- Levothyroxine Sodium461 claims
- Losartan Potassium423 claims
- Omeprazole404 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter R. Drummond among 17,696 internal medicine physician records in California
Peter R. Drummond, DO 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2010 · 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.
All 17,696 in California → Every provider in Stockton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Seema Abbasi, MBBSStockton, CA 952091588087738
- Saleha Ahmed, M.D.Stockton, CA 952091275561805
- Harsimran Basra, MDStockton, CA 952091710220454
- James Belogorsky, MDStockton, CA 952091336104207
- John Blinn, MDStockton, CA 952091992761357
- Mita Gordo, MDStockton, CA 952091619933553
- Suresh Hosuru, M.D.,Stockton, CA 952091477782910
- Christopher Russo, DO, MPHStockton, CA 952091326300245
Common questions
What is Peter R. Drummond, DO's NPI number?
Peter R. Drummond, DO's National Provider Identifier (NPI) is 1508822768, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter R. Drummond, DO located?
The NPPES record lists a practice address at 2505 W Hammer LN, Stockton, CA, 95209. Phone: (209) 957-7050. Providers update this record themselves, so call before visiting.
How can I verify Peter R. Drummond, DO's license?
NPPES lists California license number 20A66991, 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 Peter R. Drummond, DO prescribe under Medicare Part D?
In 2024, Peter R. Drummond, DO had 13,637 Medicare Part D claims for 939 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.