Registry data as of Aug 27, 2026

George Nakashima, MD

Pediatric Adolescent Medicine Physician · Los Angeles, CA

George Nakashima, MD is a pediatric adolescent medicine physician with a practice address in Los Angeles, California, and NPI 1376637801, issued on Oct 2, 2006. Check the license (California G41390, as entered in NPPES) 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
1376637801
Name
George Nakashima
Credential
MD
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License number
G41390 CA
Self-reported in NPPES; status is on the state search
Practice location
420 E 3RD Street, Los Angeles, CA 90013
Phone
(213) 617-7073
Enumerated
Oct 2, 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 420 E 3RD Street

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

  1. Andre Milburn, CRNACertified Registered Nurse Anesthetist1356329874
  2. Robin Wakabayashi, DDS, MSPeriodontics1003925769

Verify George Nakashima in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G41390
    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.

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

Industry payments in 2024: $147.78

6 payments, mostly food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 873 providers of this specialty with any payment received $478.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. George Nakashima$147.78
  2. Specialty average$478.30

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

Pediatric Adolescent Medicine Physician providers in California

There are 254 pediatric adolescent medicine physician records in California.

Other pediatric adolescent medicine physician records in California

  1. William Adelman, M.D.Orange, CA1831191386
  2. Shelley Aggarwal, MDPalo Alto, CA1013029586
  3. Elsa Aguilar, M.D.Anaheim, CA1922133354
  4. Saverio Aita, M.D.Napa, CA1003132325
  5. Kaneez Ali, PAPerris, CA1639225154
  6. Agnes Alikpala, M.D.San Francisco, CA1306919568
  7. Joanne Allport, M.D., M.P.H.Benicia, CA1811096332
  8. Ramin Amani, MDVista, CA1659366292
  9. Sudha Amatya, M.D.San Diego, CA1790830511
  10. Seth Ammerman, MDHealdsburg, CA1831290154

Common questions

What is George Nakashima, MD's NPI number?

George Nakashima, MD's National Provider Identifier (NPI) is 1376637801, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is George Nakashima, MD located?

The NPPES record lists a practice address at 420 E 3RD Street, Los Angeles, CA, 90013. Phone: (213) 617-7073. Providers update this record themselves, so call before visiting.

How can I verify George Nakashima, MD's license?

NPPES lists California license number G41390, 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.

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.