NPPES file of Aug 9, 2026

Charles Christian Martineau, M.D.

Internal Medicine Physician · El Segundo, CA

Charles Christian Martineau, M.D. is an internal medicine physician with a practice address in El Segundo, California, and NPI 1225099591, issued on Mar 28, 2006. Check the license (California A64279, 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
1225099591
Name
Charles Christian Martineau
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A64279 CA
Self-reported in NPPES; status is on the state search
Practice location
2101 Rosecrans Ave # 3230, El Segundo, CA 90245
Phone
(323) 628-8671
Enumerated
Mar 28, 2006
Record last updated
Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
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 2101 Rosecrans Ave # 3230

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

  1. Patrick Alunan, FNP-BCFamily Nurse Practitioner1598006157
  2. Amaka Anyaoha, NURSE PRACTITIONERPsychiatric/Mental Health Nurse Practitioner1043439813
  3. Barbara Beckford, NPAdult Health Nurse Practitioner1437167913
  4. Ish Bhalla, MDPsychiatry Physician1083957187
  5. Thanh Chu, PA-CMedical Physician Assistant1982716213
  6. Katy DibeneMedical Physician Assistant1578052916

Verify Charles Christian Martineau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64279
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

22 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Charles Martineau22
  2. Specialty average3,176

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: $123.48

1 payment: food and beverage; the largest payer was Checkpoint Surgical, Inc. 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. Charles Martineau$123.48
  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.

Charles Christian Martineau among 17,696 internal medicine physician records in California

Charles Christian Martineau, 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 updated2019 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jennifer Curtin, M.D.El Segundo, CA 902451609210772
  2. Christopher Hammond, DOEl Segundo, CA 902451316107675
  3. Michael Mellman, MEDICAL DOCTOREl Segundo, CA 902451427083450
  4. Anish Peter, ANISH PETEREl Segundo, CA 902451285884098
  5. Siar Basharmal, M.D.Gardena, CA 902471639168099
  6. Keith Andrew Ebilane, M.D.Gardena, CA 902471225370679
  7. Kimberly Eddings-Reece, MDGardena, CA 902471073513925
  8. Gail Gabourel, MSPA-CGardena, CA 902471194946376

Common questions

What is Charles Christian Martineau, M.D.'s NPI number?

Charles Christian Martineau, M.D.'s National Provider Identifier (NPI) is 1225099591, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Christian Martineau, M.D. located?

The NPPES record lists a practice address at 2101 Rosecrans Ave # 3230, El Segundo, CA, 90245. Phone: (323) 628-8671. Providers update this record themselves, so call before visiting.

How can I verify Charles Christian Martineau, M.D.'s license?

NPPES lists California license number A64279, 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 Charles Christian Martineau, M.D. prescribe under Medicare Part D?

In 2024, Charles Christian Martineau, M.D. had 22 Medicare Part D claims; 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.