NPPES file of Aug 9, 2026

Thomas Giammarino, PA-C

Medical Physician Assistant · Phoenix, AZ

Thomas Giammarino, PA-C is a medical physician assistant with a practice address in Phoenix, Arizona, and NPI 1154629343, issued on Mar 11, 2011. Check the license (Arizona 4795, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154629343
Name
Thomas Giammarino
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
4795 AZ
Self-reported in NPPES; status is on the state search
Practice location
9250 N 3RD St, Phoenix, AZ 85020
Phone
(602) 266-2272
Enumerated
Mar 11, 2011
Record last updated
Feb 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(602) 266-2927
Medicaid ID
609611 AZ
Medicare enrollment
Enrolled (PECOS I20110513000059); accepts Medicare assignment
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 9250 N 3RD St

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

  1. Crystal Allison, MPH, PA-CPhysician Assistant1023352580
  2. Julie Beaumont, PA (ASCP)Physician Assistant1467879072
  3. Jason Becker, O.D.Optometrist1639433840
  4. Jesmina Faja, FNPAcute Care Nurse Practitioner1386373801
  5. Ronald Hauptman, MDSpecialist1699779074
  6. Theodore Hofstedt, M.D.Specialist1538251699

Verify Thomas Giammarino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 4795    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
Find 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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The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.1
  2. Costout of 100 · 30%59.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mayo Clinic ArizonaScottsdale, AZ

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

Medical Physician Assistant providers in Arizona

There are 996 medical physician assistant records in Arizona.

All 996 in Arizona → Every provider in Phoenix →

Other medical physician assistant records in Arizona

  1. Carley Abbott, PA-CChandler, AZ1649959792
  2. Delmas Abbott, PA-CPrescott, AZ1437452836
  3. Michael Abraham, PA-CPhoenix, AZ1548651599
  4. Elaine Accomando, PACottonwood, AZ1033189444
  5. Jesus Acero, PAPhoenix, AZ1104583582
  6. Mica Adair, PAPrescott Valley, AZ1831653377
  7. Sarah Adamo, PA-CGilbert, AZ1952652604
  8. Gladys Adams, PA-CPhoenix, AZ1982603601
  9. Robin Adamson, PA-CChandler, AZ1649220401
  10. Mark Adelman, P.A.Mesa, AZ1255370409

Common questions

What is Thomas Giammarino, PA-C's NPI number?

Thomas Giammarino, PA-C's National Provider Identifier (NPI) is 1154629343, issued on Mar 11, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Giammarino, PA-C located?

The NPPES record lists a practice address at 9250 N 3RD St, Phoenix, AZ, 85020. Phone: (602) 266-2272. Providers update this record themselves, so call before visiting.

How can I verify Thomas Giammarino, PA-C's license?

NPPES lists Arizona license number 4795, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

What is Thomas Giammarino, PA-C's MIPS final score?

The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.