Dr. Grant T. Fankhauser, MD

  • Peoria, AZ
  • Vascular surgeon
NPI1831121532PAC ID2264680552
Medicare services, 2024
463
Medicare patients, 2024
208
Part D claims, 2024
63
Publications
24
MIPS score, 2024
46
Practice address
9192 West Union Hills Drive, Peoria, AZ 85382
Practice phone
Call (602) 374-4101
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sonoran Vein & Endovascular

Surgery Center - Medicare-Certified · Peoria, Arizona

See all 6 affiliations

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Dr. Grant T. Fankhauser is a vascular surgeon in Peoria, Arizona

Dr. Fankhauser practices at Sonoran Vein & Endovascular in Peoria, Arizona.

Dr. Fankhauser's NPI, 1831121532, was assigned on July 6, 2006. Dr. Fankhauser graduated from University of Kansas School of Medicine - Kansas City in 2006. Dr. Fankhauser's Arizona license number on file is 37503.

NPI and contact details
Medicare PAC ID
2264680552
NPI enumeration date
July 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(602) 374-4101
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Grant T. Fankhauser practices at Sonoran Vein & Endovascular in Peoria, Arizona

Dr. Fankhauser's primary practice is Sonoran Vein & Endovascular, at 9192 West Union Hills Drive, Peoria, AZ 85382. The practice phone is (602) 374-4101.

  • Sonoran Vein & Endovascular
    9192 West Union Hills Drive, Peoria, AZ 85382Phone(602) 374-4101

Source: Dmand AI Affiliation Data

Dr. Grant T. Fankhauser is affiliated with 2 sites of care and 4 medical groups

Dr. Fankhauser's primary practice is Sonoran Vein & Endovascular in Peoria, Arizona. The medical group on file is United Vein & Vascular Centers. Dmand AI also links Dr. Fankhauser to 3 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Fankhauser's employer is on file too: a surgery center (asc).

See all 6 affiliations for Dr. Fankhauser

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Grant T. Fankhauser's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fankhauser practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sonoran Vein & EndovascularAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Grant T. Fankhauser is one of 103 vascular surgeons in Arizona

Vascular surgery is Dr. Fankhauser's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Fankhauser is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Fankhauser's licenses on file in 6 states: Arizona, Nevada, California, New Mexico, Texas and Utah.

Specialties and state licenses

  • Vascular surgery, ArizonaPrimaryLicense 37503 · 2007 to 2025 · taxonomy 2086S0129X
  • Nevada license2022 to 2027
  • California license2024 to 2026
  • New Mexico license2023 to 2026
  • Texas license2014 to 2026
  • Utah license2022 to 2026

Clinical focus

Dmand AI lists carotid revascularization, heart device and aorta surgery and leg revascularization among the conditions Dr. Fankhauser treats.

Vascular surgeons near Dr. Fankhauser

Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.

103vascular surgeons in Arizona
8vascular surgeons in Peoria

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Grant T. Fankhauser billed Medicare for 463 services in 2024

CMS data shows 463 Medicare services from Dr. Fankhauser across 12 procedure codes in 2024, for 208 Medicare patients. Medicare paid $303,080 for them.

Medicare services, 2024463
Medicare patients208
Paid by Medicare$303,080
Procedure codes12

Dr. Fankhauser's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4192024: 17558%
Tests and treatments
2023: 4532024: 15765%
Surgery
2023: 3532024: 6881%
Imaging
2023: 1742024: 6364%

Where Dr. Fankhauser's Medicare services took place, 2024

  • In an office45298%
  • In a facility112%

Dr. Fankhauser compared with the Arizona median for vascular surgeons, 2024

  • Dr. Fankhauser
  • Arizona median
Medicare services
463vs 58921% below
Medicare patients
208vs 35842% below
Part D claims
41vs 8652% below

Medians across 97 vascular surgeons in Arizona with Dmand AI profiles that report each measure.

Dr. Fankhauser's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Fankhauser

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Grant T. Fankhauser treated 208 Medicare patients in 2024, average age 75

CMS counts 208 Medicare patients who saw Dr. Fankhauser in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Fankhauser's median patient age at 69, with 65% women.

Medicare patients, 2024208
Average age75
Average risk score2.54
Also on Medicaid31%

Dr. Fankhauser's Medicare patients by age, 2024

Dr. Fankhauser's Medicare patients by sex, 2024

  • Women9646%
  • Men11254%

Chronic conditions among Dr. Fankhauser's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes57%
  4. Arthritis51%
  5. Chronic kidney disease45%
  6. Ischemic heart disease38%
  7. Atrial fibrillation25%
  8. Heart failure22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Fankhauser's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Grant T. Fankhauser wrote 63 Medicare Part D claims in 2024

In 2024, Dr. Fankhauser wrote 63 Medicare Part D claims for 50 patients. 89% of them were for generic drugs. CMS names the drug for 41 of them, across 2 drugs with 11 or more claims each, at $705 in total drug cost. In 2023, CMS named 54 claims across 2 drugs.

Part D claims, 202463
Drugs named by CMS2
Total drug cost$705
Part D patients50

Dr. Fankhauser's Part D claims by kind of drug, 2024

  • Generic56 claims89%
  • Brand-name and other7 claims11%

Dr. Fankhauser's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Fankhauser's Part D claims, 2024

  • Opioids37%23 of 63 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 542024: 4124%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Fankhauser

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Grant T. Fankhauser scored 46 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 46 out of 100 for Dr. Fankhauser for performance year 2024, reported as part of a group. Dr. Fankhauser accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 238 procedures of varicose vein removal by Dr. Fankhauser, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Fankhauser's MIPS scores, performance year 2024

  • 46of 100Final score
  • 9.3of 100Quality
  • 93of 100Promoting Interoperability
  • 0of 100Improvement Activities
  • 60of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Fankhauser ranks in Medicare procedure volume

Varicose vein removal
92nd percentile238 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Grant T. Fankhauser has 24 publications on record

Dmand AI links 24 papers to Dr. Fankhauser, published from 2011 to 2023. 2016 was the busiest year, with 7. The most frequent topics are Endovascular Procedures, Aortic Aneurysm, Abdominal and Aortic Aneurysm, Thoracic. Dr. Fankhauser has published most often in J Thorac Cardiovasc Surg. Dr. Fankhauser's most frequent co-authors are Abelardo Deanda, MD, Sailendra G. Naidu, MD and Gustavo S. Oderich, MD.

Papers24
Years published2011 to 2023

Dr. Fankhauser's papers by year, 2011 to 2023

Topics Dr. Fankhauser writes about most

  • Endovascular Procedures
  • Aortic Aneurysm, Abdominal
  • Aortic Aneurysm, Thoracic
  • Blood Vessel Prosthesis Implantation
  • Aneurysm
  • Aneurysm, False
  • Arm Injuries
  • Blood Vessel Prosthesis

Dr. Fankhauser's most frequent co-authors

Recent publications by Dr. Fankhauser

See all 24 publications and co-authors

See who Dr. Fankhauser researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fankhauser works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Grant T. Fankhauser received $12,638 in industry payments from 2016 to 2025

CMS Open Payments shows 130 general payments to Dr. Fankhauser from 21 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 71% of the total. Medtronic Vascular, Inc. paid the most, $9,428.

General payments to Dr. Fankhauser by program year, 2016 to 2025

General payments to Dr. Fankhauser by kind, 2016 to 2025

$12.6Kin total
  • Travel and lodging$8,96871%
  • Food and beverage$3,67029%

Companies that paid Dr. Fankhauser the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Fankhauser

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Grant T. Fankhauser graduated from University of Kansas School of Medicine - Kansas City

Dr. Fankhauser graduated from University of Kansas School of Medicine - Kansas City in 2006. Dr. Fankhauser is a member of ACS and SVS.

  1. Medical schoolUniversity of Kansas School of Medicine - Kansas City
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Grant T. Fankhauser accepts plans from 24 insurance carriers

Dr. Fankhauser is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Plan types Dr. Fankhauser accepts, by number of carriers

  1. PPO15
  2. HMO13
  3. Medicare11
  4. POS7
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Grant T. Fankhauser's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Grant T. Fankhauser

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Grant T. Fankhauser's NPI number?

Dr. Grant T. Fankhauser's NPI number is 1831121532. It was assigned on July 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Grant T. Fankhauser?

Dr. Grant T. Fankhauser is a vascular surgeon in Peoria, Arizona. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Grant T. Fankhauser practice?

Dr. Fankhauser practices at 9192 West Union Hills Drive, Peoria, AZ 85382. Dr. Fankhauser's primary practice is Sonoran Vein & Endovascular in Peoria, Arizona. Dmand AI also links Dr. Fankhauser to 3 medical groups and 1 group practice or clinic.

What is Dr. Grant T. Fankhauser's office phone number?

The practice phone on file for Dr. Fankhauser is (602) 374-4101.

What is Dr. Grant T. Fankhauser's medical license number?

Dr. Fankhauser's Arizona license number on file is 37503, one of the licenses on file in 6 states.

Which states has Dr. Grant T. Fankhauser been licensed in?

Dmand AI has state licenses on file for Dr. Fankhauser in Arizona (2007 to 2025), Nevada (2022 to 2027), California (2024 to 2026), New Mexico (2023 to 2026), Texas (2014 to 2026) and Utah (2022 to 2026).

What medical group is Dr. Grant T. Fankhauser part of?

Dr. Fankhauser is linked to United Vein & Vascular Centers. Dmand AI links Dr. Fankhauser to 3 more medical groups.

Does Dr. Grant T. Fankhauser accept Medicare?

Yes. CMS data shows Dr. Fankhauser billed Medicare for 463 services in 2024, and Dr. Fankhauser accepts Medicare assignment.

What is Dr. Grant T. Fankhauser's MIPS score?

Dr. Fankhauser's MIPS final score for performance year 2024 is 46 out of 100, reported as part of a group.

How many Medicare patients does Dr. Grant T. Fankhauser see?

CMS counts 208 Medicare patients who saw Dr. Fankhauser in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Grant T. Fankhauser board certified?

Yes. Dr. Fankhauser is board certified in surgery by the American Board of Surgery.

What services does Dr. Grant T. Fankhauser bill to Medicare?

In 2024, Dr. Fankhauser's most billed Medicare services were special service (99153), office visit, established patient (99213) and special service (99152).

Where did Dr. Grant T. Fankhauser go to medical school?

Dr. Fankhauser graduated from University of Kansas School of Medicine - Kansas City in 2006.

What drugs does Dr. Grant T. Fankhauser prescribe most?

In 2024 Medicare Part D data, Dr. Fankhauser's most prescribed drugs by claims were Clopidogrel and Hydrocodone-Acetaminophen.

Has Dr. Grant T. Fankhauser received payments from drug or device companies?

CMS Open Payments shows $12,638 in general payments to Dr. Fankhauser from 21 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Grant T. Fankhauser been practicing?

Dr. Fankhauser graduated from medical school in 2006, 20 years ago.

Does Dr. Grant T. Fankhauser do research?

Dmand AI links 24 publications to Dr. Fankhauser, published from 2011 to 2023.

Who does Dr. Grant T. Fankhauser publish with?

Dr. Fankhauser's most frequent co-authors are Abelardo Deanda, MD (3 shared papers), Sailendra G. Naidu, MD (3 shared papers) and Gustavo S. Oderich, MD (3 shared papers).

What insurance does Dr. Grant T. Fankhauser accept?

Dr. Fankhauser is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

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