NPPES file of Aug 9, 2026

Mitchell Nishimoto, M.D.

Internal Medicine Physician · Van Nuys, CA

Mitchell Nishimoto, M.D. is an internal medicine physician with a practice address in Van Nuys, California, and NPI 1003917287, issued on Sep 26, 2006. Check the license (California G76976, 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
1003917287
Name
Mitchell Nishimoto
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G76976 CA
Self-reported in NPPES; status is on the state search
Practice location
15243 Vanowen St, Van Nuys, CA 91405
Phone
(818) 785-3889
Enumerated
Sep 26, 2006
Record last updated
Sep 25, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(818) 780-2106
Medicare enrollment
Enrolled (PECOS I20041230000675); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1991
Telehealth
Offers telehealth (CMS)
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.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 15243 Vanowen St

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

  1. Jeffrey Chong, M.D.Internal Medicine Physician1376644542
  2. Jinus Emrani, DDSProsthodontics1578709283
  3. Silvia Jourdan, FNPFamily Nurse Practitioner1184458093
  4. Kyu Kim, MDPediatrics Physician1013001379
  5. Mee Kim, M.D.Obstetrics & Gynecology Physician1144371436
  6. Michael Kotzen, D.P.M.Foot & Ankle Surgery Podiatrist1871537340

Verify Mitchell Nishimoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G76976    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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18% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,619 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 35 claims were for opioids.

  1. Mitchell Nishimoto2,619
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium204 claims
  2. Losartan Potassium163 claims
  3. Amlodipine Besylate137 claims
  4. Levothyroxine Sodium129 claims
  5. Omeprazole98 claims
  6. Metformin Hcl93 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.

Industry payments in 2024: $112.06

4 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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. Mitchell Nishimoto$112.06
  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.

Mitchell Nishimoto among 17,696 internal medicine physician records in California

Mitchell Nishimoto, 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 fileYes · 63% of these records are
  • Graduated1991 · median 2004 among the 11,065 with a school on file
  • Record last updated2018 · 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).

40 internal medicine physician records list a practice address in Van Nuys

They are 40 of the 4,323 NPPES records with a practice address in Van Nuys, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Van Nuys → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Eliza Ahn, M.D.Van Nuys, CA 914051356450498
  2. Kook Chang, M.D.Van Nuys, CA 914051356442354
  3. Mindy Cheng, M.D.Van Nuys, CA 914051689686669
  4. Jeffrey Chong, M.D.Van Nuys, CA 914051376644542
  5. Karl Kaplan, M.D.Van Nuys, CA 914051881698702
  6. David Lee, M.D.Van Nuys, CA 914051619065257
  7. Matthew Mischel, M.D.Van Nuys, CA 914051013996172
  8. Eloisa Pangan, M.D.Van Nuys, CA 914051457452088

Common questions

What is Mitchell Nishimoto, M.D.'s NPI number?

Mitchell Nishimoto, M.D.'s National Provider Identifier (NPI) is 1003917287, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mitchell Nishimoto, M.D. located?

The NPPES record lists a practice address at 15243 Vanowen St, Van Nuys, CA, 91405. Phone: (818) 785-3889. Providers update this record themselves, so call before visiting.

How can I verify Mitchell Nishimoto, M.D.'s license?

NPPES lists California license number G76976, 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 Mitchell Nishimoto, M.D. prescribe under Medicare Part D?

In 2024, Mitchell Nishimoto, M.D. had 2,619 Medicare Part D claims for 171 beneficiaries; 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.

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.