NPPES file of Aug 9, 2026

Michael Richard Kahn, MD

Critical Care Medicine (Internal Medicine) Physician · Irvine, CA

Michael Richard Kahn, MD is a critical care medicine (internal medicine) physician with a practice address in Irvine, California, and NPI 1245727320, issued on Apr 15, 2018. Check the license (California A164953, 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
1245727320
Name
Michael Richard Kahn
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
A164953 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Fivepoint Ste A, Irvine, CA 92618
Phone
(888) 333-4673
Enumerated
Apr 15, 2018
Record last updated
Jul 17, 2025
Medicare enrollment
Enrolled (PECOS I20210205000615); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2018
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 1000 Fivepoint Ste A

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

  1. Omeed Alipour, M.D.Gastroenterology Physician1841731080
  2. Julio Alvarenga Thiebaud, M.D.Hematology (Internal Medicine) Physician1457770497
  3. Michael Caberto, D.O.Hospitalist Physician1932565637
  4. Wei Chen, N.P., PH.D.Gerontology Nurse Practitioner1245630722
  5. Jack Dubois, M.D.Hospice and Palliative Medicine (Family Medicine) Physician1952713802
  6. Ifegwu Ibe, M.D.Anatomic Pathology & Clinical Pathology Physician1831506724

Verify Michael Richard Kahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A164953
    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.

92% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

57 Medicare Part D claims for 15 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. Michael Kahn57
  2. Specialty average696

Most prescribed

  1. Albuterol Sulfate Hfa17 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.

Bills Medicare through one group practice

  1. City OF Hope Medical FoundationIrvine, CA

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

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California.

Other critical care medicine (internal medicine) physician records in California

  1. Mariam Abdelkader, MDFresno, CA1689022824
  2. Hazem Abdelsalam, M.D.Torrance, CA1346793312
  3. Unknown Abdul Hameed Zaid, M.B,B.SLoma Linda, CA1679908800
  4. Glen Abergel, M.D.Oxnard, CA1093743924
  5. Ayham Aboeed, M.D.Bakersfield, CA1093969750
  6. Henry Abrons, M.D.Berkeley, CA1821001470
  7. Noman Absar, MDVallejo, CA1205908951
  8. Natalie Achamallah, M.D.West Hollywood, CA1255881546
  9. Cresencio AdamePalo Alto, CA1750021564
  10. Allen Adams, M.D.Los Angeles, CA1700862794

Common questions

What is Michael Richard Kahn, MD's NPI number?

Michael Richard Kahn, MD's National Provider Identifier (NPI) is 1245727320, issued on Apr 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Michael Richard Kahn, MD located?

The NPPES record lists a practice address at 1000 Fivepoint Ste A, Irvine, CA, 92618. Phone: (888) 333-4673. Providers update this record themselves, so call before visiting.

How can I verify Michael Richard Kahn, MD's license?

NPPES lists California license number A164953, 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 Richard Kahn, MD prescribe under Medicare Part D?

In 2024, Michael Richard Kahn, MD had 57 Medicare Part D claims for 15 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.