Registry data as of Aug 27, 2026

Chinnavuth De Monteiro, M.D.

Internal Medicine Physician · Concord, CA

Chinnavuth De Monteiro, M.D. is an internal medicine physician with a practice address in Concord, California, and NPI 1558392449, issued on Jul 6, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558392449
Name
Chinnavuth De Monteiro
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
2415 High School Ave, Concord, CA 94520
Phone
(925) 687-5210
Enumerated
Jul 6, 2006
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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Also registered at 2415 High School Ave

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

  1. Melanie Anello, N.P.-CFamily Nurse Practitioner1225336696
  2. Joanna ChanAudiologist1013094242
  3. Sandra Cunnane, AU.D.Audiologist1417976606
  4. Lori Danze, M.D.Internal Medicine Physician1003923236
  5. Julie Fulford, AUDAudiologist1912943093
  6. Leigh Kjeldsen, AUDAudiologist1376524231

Verify Chinnavuth De Monteiro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

93% more Medicare Part D claims than the average internal medicine physician in 2024

5,385 Medicare Part D claims for 883 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 76 claims were for opioids.

  1. Chinnavuth De Monteiro5,385
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium397 claims
  2. Jardiance173 claims
  3. Losartan Potassium170 claims
  4. Levothyroxine Sodium160 claims
  5. Eliquis159 claims
  6. Gabapentin142 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.

The practice group's Medicare quality score for 2023: 91.5 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. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%71.6
  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).

Industry payments in 2024: $3,221.41

119 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chinnavuth De Monteiro$3,221.41
  2. Specialty average$2,536.66

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

42 internal medicine physician records list a Concord practice address

They are 42 of the 9,328 NPPES records with a Concord practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Chinnavuth De Monteiro, M.D.'s NPI number?

Chinnavuth De Monteiro, M.D.'s National Provider Identifier (NPI) is 1558392449, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chinnavuth De Monteiro, M.D. located?

The NPPES record lists a practice address at 2415 High School Ave, Concord, CA, 94520. Phone: (925) 687-5210. Providers update this record themselves, so call before visiting.

How can I verify Chinnavuth De Monteiro, M.D.'s license?

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 Chinnavuth De Monteiro, M.D. prescribe under Medicare Part D?

In 2024, Chinnavuth De Monteiro, M.D. had 5,385 Medicare Part D claims for 883 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Chinnavuth De Monteiro, M.D.'s Medicare quality score?

The 2023 MIPS final score is 91.5 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.