NPPES file of Aug 9, 2026

Michelle Masako Tsukamoto, D.O.

Internal Medicine Physician · Los Angeles, CA

Michelle Masako Tsukamoto, D.O. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1518287960, issued on Jun 8, 2010. Check the license (California 20A11245, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518287960
Name
Michelle Masako Tsukamoto
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A11245 CA
Self-reported in NPPES; status is on the state search
Practice location
2020 Zonal Ave, Los Angeles, CA 90089
Phone
(213) 919-1125
Enumerated
Jun 8, 2010
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110830000543); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2020 Zonal Ave

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

  1. Nazanin Azadi, M.DInternal Medicine Physician1558595082
  2. Pankaj Bahl, M.D.Internal Medicine Physician1548450489
  3. Sumati Bansal, D.O.Internal Medicine Physician1881854651
  4. Rogelio Bravo, M.D.Internal Medicine Physician1295919009
  5. Alev Brown, M.D.Internal Medicine Physician1689975781
  6. Blake Brown, M.D.Student in an Organized Health Care Education/Training Program1861752156

Verify Michelle Masako Tsukamoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11245
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupPanorama City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michelle Masako Tsukamoto among 17,696 internal medicine physician records in California

Michelle Masako Tsukamoto, D.O. 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Pankaj Bahl, M.D.Los Angeles, CA 900891548450489
  2. Sumati Bansal, D.O.Los Angeles, CA 900891881854651
  3. Rogelio Bravo, M.D.Los Angeles, CA 900891295919009
  4. Kevin Kwak, M.D.Los Angeles, CA 900891275759425
  5. Sarita Mohanty, MDLos Angeles, CA 900891730286683
  6. Vidya Narayan, M.DLos Angeles, CA 900891396943254
  7. Hoa Phan, D.O.Los Angeles, CA 900891295919686
  8. Jesse Sammons, MDLos Angeles, CA 900891871753707

Common questions

What is Michelle Masako Tsukamoto, D.O.'s NPI number?

Michelle Masako Tsukamoto, D.O.'s National Provider Identifier (NPI) is 1518287960, issued on Jun 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Masako Tsukamoto, D.O. located?

The NPPES record lists a practice address at 2020 Zonal Ave, Los Angeles, CA, 90089. Phone: (213) 919-1125. Providers update this record themselves, so call before visiting.

How can I verify Michelle Masako Tsukamoto, D.O.'s license?

NPPES lists California license number 20A11245, 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), 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.