NPPES file of Aug 9, 2026

Michael A. Stein, M.D.

Epilepsy Physician · Phoenix, AZ

Michael A. Stein, M.D. is an epilepsy physician with a practice address in Phoenix, Arizona, and NPI 1003836081, issued on Jul 20, 2006. Check the license (Arizona 52554, as entered in NPPES) on the Arizona Medical Board; 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
1003836081
Name
Michael A. Stein
Credential
M.D.
Primary taxonomy
Epilepsy Physician 2084E0001X
License numbers
52554 AZ
036116388 IL
Self-reported in NPPES; status is on the state search
Practice location
240 W Thomas RD # 404, Phoenix, AZ 85013
Phone
(602) 406-6262
Enumerated
Jul 20, 2006
Record last updated
Sep 23, 2022
Medicaid ID
182299 AZ
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 240 W Thomas RD # 404

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

  1. Stephanie Chen, FNP-CFamily Nurse Practitioner1679808109
  2. Monica Rodriguez, MDEndocrinology, Diabetes & Metabolism Physician1568451839
  3. Kevin Yuen, MBCHB, MD, FRCP(UK)Endocrinology, Diabetes & Metabolism Physician1528249661

Verify Michael A. Stein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 52554
    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 Arizona 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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98% fewer Medicare Part D claims than the average epilepsy physician in 2024

20 Medicare Part D claims, against an average of 934 among the 476 providers of this specialty who prescribed in Part D.

  1. Michael Stein20
  2. Specialty average934

Most prescribed

  1. Divalproex Sodium Er11 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 A. Stein among 20 epilepsy physician records in Arizona

Michael A. Stein, M.D. is one of 20 epilepsy physician records with a practice address in Arizona. 100% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 60% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileNo · 80% of these records are
  • Record last updated2022 · 5% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084E0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Epilepsy Physician providers in Arizona

There are 20 epilepsy physician records in Arizona.

The 8 epilepsy physician records with the nearest ZIP codes

  1. Kevin ChoiPhoenix, AZ 850131295266203
  2. Deana Gazzola, M.D.Phoenix, AZ 850131427227818
  3. David Harris, MDPhoenix, AZ 850131275822637
  4. Susan Herman, MDPhoenix, AZ 850131255365920
  5. Laura Lehnhoff, M.D.Phoenix, AZ 850131376738666
  6. Courtney Schusse, MDPhoenix, AZ 850131659535276
  7. Vladimir Shvarts, M.D.Phoenix, AZ 850131740450295
  8. Ritika Suri, MDPhoenix, AZ 850131588196000

Common questions

What is Michael A. Stein, M.D.'s NPI number?

Michael A. Stein, M.D.'s National Provider Identifier (NPI) is 1003836081, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Stein, M.D. located?

The NPPES record lists a practice address at 240 W Thomas RD # 404, Phoenix, AZ, 85013. Phone: (602) 406-6262. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Stein, M.D.'s license?

NPPES lists Arizona license number 52554, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael A. Stein, M.D. prescribe under Medicare Part D?

In 2024, Michael A. Stein, M.D. had 20 Medicare Part D claims; the average among epilepsy physician prescribers was 934. 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.