NPPES file of Aug 9, 2026

Michael B. Rankin, MD

Internal Medicine Physician · Los Angeles, CA

Michael B. Rankin, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1851701692, issued on May 1, 2014. Check the license (California A172852, 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
1851701692
Name
Michael B. Rankin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A172852 CA
309988 NY
R0780 TX
Self-reported in NPPES; status is on the state search
Practice location
10347 Oletha LN, Los Angeles, CA 90077
Phone
(626) 241-2467
Enumerated
May 1, 2014
Record last updated
Jan 20, 2022
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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Verify Michael B. Rankin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A172852
    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

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

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

  1. Michael Rankin32
  2. Specialty average3,176

Most prescribed

  1. Ondansetron Odt20 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.

Michael B. Rankin among 17,696 internal medicine physician records in California

Michael B. Rankin, MD 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 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2022 · 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. Kendra Becker, M.D., M..P.H.Los Angeles, CA 900731104073402
  2. Rachel Dajani, MDLos Angeles, CA 900731003348954
  3. Berj Demirjian, M.D.Los Angeles, CA 900731578711982
  4. Lucinda Leung, MD, PHD, MPHLos Angeles, CA 900731336438308
  5. Kimberly Lynch, MDLos Angeles, CA 900731427581040
  6. Sean McCarthy, M.D.Los Angeles, CA 900731609309400
  7. Tina Mosaferi, MDLos Angeles, CA 900731811350606
  8. Harrison Ngo, MDLos Angeles, CA 900731922740554

Common questions

What is Michael B. Rankin, MD's NPI number?

Michael B. Rankin, MD's National Provider Identifier (NPI) is 1851701692, issued on May 1, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Michael B. Rankin, MD located?

The NPPES record lists a practice address at 10347 Oletha LN, Los Angeles, CA, 90077. Phone: (626) 241-2467. Providers update this record themselves, so call before visiting.

How can I verify Michael B. Rankin, MD's license?

NPPES lists California license number A172852, 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 Michael B. Rankin, MD prescribe under Medicare Part D?

In 2024, Michael B. Rankin, MD had 32 Medicare Part D claims for 22 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.

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.