NPPES file of Aug 9, 2026

Michael Saam Karbasi, M.D.

Emergency Medicine Physician · Phoenix, AZ

Michael Saam Karbasi, M.D. is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1588907745, issued on Apr 5, 2013. Check the license (Arizona 52201, 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
1588907745
Name
Michael Saam Karbasi
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
52201 AZ
Self-reported in NPPES; status is on the state search
Practice location
250 E Dunlap Ave, Phoenix, AZ 85020
Phone
(602) 943-2381
Enumerated
Apr 5, 2013
Record last updated
Oct 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160811001111); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 2013
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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Also registered at 250 E Dunlap Ave

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

  1. Celina Acevedo-Adams, AGACNP-BCAcute Care Nurse Practitioner1235700949
  2. Judith Aikawa, MDInternal Medicine Physician1548296056
  3. Ronald Aikawa, MDInternal Medicine Physician1225067564
  4. Hossam Alhabach, M.D.Neurology Physician1578527701
  5. Logan ArchambaultInternal Medicine Physician1235759937
  6. Kevin Asady, MDInternal Medicine Physician1033868740

Verify Michael Saam Karbasi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 52201
    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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42% fewer Medicare Part D claims than the average emergency medicine physician in 2024

132 Medicare Part D claims for 103 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Michael Karbasi132
  2. Specialty average226

Most prescribed

  1. Cephalexin20 claims
  2. Hydrocodone-Acetaminophen18 claims
  3. Amoxicillin-Clavulanate Potass14 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: $59.52

3 payments; by number, the most common kind was education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Karbasi$59.52
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. HonorhealthSurprise, AZ
  2. Loop 101 Emergency Physicians LLCPhoenix, AZ

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

Michael Saam Karbasi among 1,494 emergency medicine physician records in Arizona

Michael Saam Karbasi, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 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 2013, is newer than 57% of them.

  • NPI issued2013 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2013 · median 2014 among the 828 with a school on file
  • Record last updated2016 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

394 emergency medicine physician records list a practice address in Phoenix

They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Amy Axberg, M.D.Phoenix, AZ 850201508073925
  2. Derek Detemple, DOPhoenix, AZ 850201992788095
  3. Neal Faux, MDPhoenix, AZ 850201902832413
  4. Garth Gemar, M.D.Phoenix, AZ 850201295767457
  5. Charles Goldstein, MDPhoenix, AZ 850201386671089
  6. David Homer, DOPhoenix, AZ 850201225065436
  7. Caesar Ines, M.DPhoenix, AZ 850201407893027
  8. Jonathan Maitem, DOPhoenix, AZ 850201265456149

Common questions

What is Michael Saam Karbasi, M.D.'s NPI number?

Michael Saam Karbasi, M.D.'s National Provider Identifier (NPI) is 1588907745, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Michael Saam Karbasi, M.D. located?

The NPPES record lists a practice address at 250 E Dunlap Ave, Phoenix, AZ, 85020. Phone: (602) 943-2381. Providers update this record themselves, so call before visiting.

How can I verify Michael Saam Karbasi, M.D.'s license?

NPPES lists Arizona license number 52201, 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 Saam Karbasi, M.D. prescribe under Medicare Part D?

In 2024, Michael Saam Karbasi, M.D. had 132 Medicare Part D claims for 103 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.