Matthew Campbell, M.D.
Internal Medicine Physician · Brentwood, CA
Matthew Campbell, M.D. is an internal medicine physician with a practice address in Brentwood, California, and NPI 1023108016, issued on Oct 13, 2006. Check the license (California A632770, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Campbell
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A632770 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 John Muir Pkwy, Brentwood, CA 94564
- Phone
- (925) 753-1986
- Enumerated
- Oct 13, 2006
- Record last updated
- Feb 11, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Matthew Campbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A632770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average internal medicine physician in 2024
4,058 Medicare Part D claims for 438 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. 283 claims were for opioids.
Most prescribed
- Atorvastatin Calcium259 claims
- Lisinopril180 claims
- Hydrocodone-Acetaminophen152 claims
- Amlodipine Besylate151 claims
- Tamsulosin Hcl120 claims
- Levothyroxine Sodium111 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.
Matthew Campbell among 17,696 internal medicine physician records in California
Matthew Campbell, M.D. 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 fileNo · 63% of these records are
- Record last updated2022 · 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).
7 internal medicine physician records list a practice address in Brentwood
They are 7 of the 1,212 NPPES records with a practice address in Brentwood, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Brentwood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Batts, M.D.Pinole, CA 945641902894298
- Anita Gaind, MDPinole, CA 945641073691820
- Chao HoSan Leandro, CA 945641629161146
- Rekha Murali, M.D.Pinole, CA 945641124157946
- James Naughton, M.D.Pinole, CA 945641447248778
- Zygy Roe-Zurz, MDPinole, CA 945641093440620
- Zena Salim, MDPinole, CA 945641700381662
- Richard Sankary, M.D.Pinole, CA 945641861481541
Common questions
What is Matthew Campbell, M.D.'s NPI number?
Matthew Campbell, M.D.'s National Provider Identifier (NPI) is 1023108016, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Campbell, M.D. located?
The NPPES record lists a practice address at 350 John Muir Pkwy, Brentwood, CA, 94564. Phone: (925) 753-1986. Providers update this record themselves, so call before visiting.
How can I verify Matthew Campbell, M.D.'s license?
NPPES lists California license number A632770, 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 Matthew Campbell, M.D. prescribe under Medicare Part D?
In 2024, Matthew Campbell, M.D. had 4,058 Medicare Part D claims for 438 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.