NPPES file of Aug 9, 2026

Grant T. Fankhauser, M.D.

Vascular Surgery Physician · Peoria, AZ

Grant T. Fankhauser, M.D. is a vascular surgery physician with a practice address in Peoria, Arizona, and NPI 1831121532, issued on Jul 6, 2006. Check the license (Arizona 37503, 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
1831121532
Name
Grant T. Fankhauser
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License number
37503 AZ
Self-reported in NPPES; status is on the state search
Practice location
9192 W Union Hills Dr, Peoria, AZ 85382
Phone
(602) 374-4101
Enumerated
Jul 6, 2006
Record last updated
Aug 9, 2024
Fax
(602) 441-0522
Medicaid ID
705707 AZ
Medicare enrollment
Enrolled (PECOS I20120911000493); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2006
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 9192 W Union Hills Dr

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

  1. Elisabeth Balken, FNPNurse Practitioner1992489728
  2. Sean D'Souza, MDVascular Surgery Physician1306043211
  3. David Nye, DOVascular Surgery Physician1558623793

Verify Grant T. Fankhauser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 37503
    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

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69% fewer Medicare Part D claims than the average vascular surgery physician in 2024

63 Medicare Part D claims for 50 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Grant Fankhauser63
  2. Specialty average201

Most prescribed

  1. Clopidogrel21 claims
  2. Hydrocodone-Acetaminophen20 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: $184.60

8 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Fankhauser$184.60
  2. Specialty average$6,178.00

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

Bills Medicare through one group practice

  1. Sonoran Vein And Endovascular LLCPrescott, AZ

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

Vascular Surgery Physician providers in Arizona

There are 111 vascular surgery physician records in Arizona.

Other vascular surgery physician records in Arizona

  1. Hasan Aldailami, M.D.Scottsdale, AZ1972882637
  2. Hammad Amer, M.D.Mesa, AZ1154587459
  3. Alan Ansel, MDTempe, AZ1093722142
  4. Wes Arlein, MDPhoenix, AZ1770529240
  5. Faez Ayoob, MDPhoenix, AZ1447505458
  6. Joshua Balderman, M.D.Tucson, AZ1306285325
  7. Praveen Chandar Balraj, MDQueen Creek, AZ1447562640
  8. Lauren Beliveau, MDTucson, AZ1366821902
  9. Eric Berens, MDTucson, AZ1679578702
  10. Scott Berman, MDTuscon, AZ1811004435

Common questions

What is Grant T. Fankhauser, M.D.'s NPI number?

Grant T. Fankhauser, M.D.'s National Provider Identifier (NPI) is 1831121532, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Grant T. Fankhauser, M.D. located?

The NPPES record lists a practice address at 9192 W Union Hills Dr, Peoria, AZ, 85382. Phone: (602) 374-4101. Providers update this record themselves, so call before visiting.

How can I verify Grant T. Fankhauser, M.D.'s license?

NPPES lists Arizona license number 37503, 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 Grant T. Fankhauser, M.D. prescribe under Medicare Part D?

In 2024, Grant T. Fankhauser, M.D. had 63 Medicare Part D claims for 50 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.