NPPES file of Aug 9, 2026

Garrett Thomas Mullvain

Anesthesiologist Assistant · Madison, WI

Garrett Thomas Mullvain is an anesthesiologist assistant with a practice address in Madison, Wisconsin, and NPI 1316747348, issued on Mar 18, 2025. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1316747348
Name
Garrett Thomas Mullvain
Primary taxonomy
Anesthesiologist Assistant 367H00000X
Practice location
202 S Park St, Madison, WI 53715
Phone
(608) 417-6000
Enumerated
Mar 18, 2025
Record last updated
Mar 18, 2025
Medicare enrollment
Enrolled (PECOS I20250617002840); 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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8 nearest anesthesiologist assistant records → All 264 in Wisconsin → Look up another NPI →

Also registered at 202 S Park St

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

  1. Jacquelyn Adams, M.D.Maternal & Fetal Medicine Physician1811330376
  2. Lynsi Albright, PTAPhysical Therapy Assistant1225380645
  3. Ibrahim Ali, MDInternal Medicine Physician1588292023
  4. William Alward, MDPulmonary Disease Physician1609880939
  5. Iliya Amaza, M.D.Pulmonary Disease Physician1205242732
  6. Jose Anaya, M.D.Internal Medicine Physician1679717680

Verify Garrett Thomas Mullvain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck 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 Wisconsin 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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Bills Medicare through one group practice

  1. Madison Anesthesiology Consultants, LLPMadison, WI

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

Garrett Thomas Mullvain among 264 anesthesiologist assistant records in Wisconsin

Garrett Thomas Mullvain is one of 264 anesthesiologist assistant records with a practice address in Wisconsin. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 93% of these records are
  • Graduated2025 · median 2020 among the 246 with a school on file
  • Record last updated2025 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiologist Assistant providers in Wisconsin

There are 264 anesthesiologist assistant records in Wisconsin.

All 264 in Wisconsin → Every provider in Madison → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Trevor Boensch, CAAMadison, WI 537151801412606
  2. Andrew LiuMadison, WI 537151083410336
  3. Matthew BlahunkaMonona, WI 537161922454479
  4. Mikiyas Fitawok, CAAMadison, WI 537171447823075
  5. Bethany MeyeringMadison, WI 537181346865581
  6. William Campbell, AAMadison, WI 537111891761383
  7. Brandon Camel, CAAMadison, WI 537051962054668
  8. Kathleen King, AA CMadison, WI 537051710930409

Common questions

What is Garrett Thomas Mullvain's NPI number?

Garrett Thomas Mullvain's National Provider Identifier (NPI) is 1316747348, issued on Mar 18, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Garrett Thomas Mullvain located?

The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 417-6000. Providers update this record themselves, so call before visiting.

How can I verify Garrett Thomas Mullvain's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.

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.