NPPES file of Aug 9, 2026

Matthew James Campbell, M.D.

Addiction Psychiatry Physician · Sacramento, CA

Matthew James Campbell, M.D. is an addiction psychiatry physician with a practice address in Sacramento, California, and NPI 1841645223, issued on May 4, 2016. Check the license (California FC0669739, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841645223
Name
Matthew James Campbell
Credential
M.D.
Primary taxonomy
Addiction Psychiatry Physician 2084P0802X
License numbers
FC0669739 CA
75354 CT
295971 NY
Self-reported in NPPES; status is on the state search
Practice location
2108 N St # 10209, Sacramento, CA 95816
Phone
(909) 378-5135
Enumerated
May 4, 2016
Record last updated
Jun 19, 2026
Fax
(534) 429-4308
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 addiction psychiatry physician records → All 73 in California → Look up another NPI →

Verify Matthew James Campbell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license FC0669739    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Matthew James Campbell among 73 addiction psychiatry physician records in California

Matthew James Campbell, M.D. is one of 73 addiction psychiatry physician records with a practice address in California. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 34% of these records are
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Psychiatry Physician providers in California

There are 73 addiction psychiatry physician records in California.

All 73 in California → Every provider in Sacramento → Addiction Psychiatry Physician nationwide →

The 8 addiction psychiatry physician records with the nearest ZIP codes

  1. Martin Leamon, M.D.Sacramento, CA 958161629053145
  2. Randall Stenson, MDSacramento, CA 958161164465357
  3. Daniel Lewis, MDSacramento, CA 958251831278563
  4. Muhammad Quidwai, MDRepresa, CA 956711679750988
  5. Daniel Pickrell, DORedding, CA 960011952808149
  6. Nagamani Padala, MDStockton, CA 952021659303253
  7. David Granovetter, MDSan Jose, CA 951191619053121
  8. William HarmonSanta Cruz, CA 950651194883314

Common questions

What is Matthew James Campbell, M.D.'s NPI number?

Matthew James Campbell, M.D.'s National Provider Identifier (NPI) is 1841645223, issued on May 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Matthew James Campbell, M.D. located?

The NPPES record lists a practice address at 2108 N St # 10209, Sacramento, CA, 95816. Phone: (909) 378-5135. Providers update this record themselves, so call before visiting.

How can I verify Matthew James Campbell, M.D.'s license?

NPPES lists California license number FC0669739, 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.

What is Matthew James Campbell, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.