NPPES file of Aug 9, 2026

Knute Patrick O'Brien, PA

Physician Assistant · Troy, MI

Knute Patrick O'Brien, PA is a physician assistant with a practice address in Troy, Michigan, and NPI 1407537517, issued on Jul 31, 2023. Check the license (Michigan 5601012036, as entered in NPPES) with the Michigan 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
1407537517
Name
Knute Patrick O'Brien
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
5601012036 MI
Self-reported in NPPES; status is on the state search
Practice location
44201 Dequindre RD, Troy, MI 48085
Phone
(248) 964-5000
Enumerated
Jul 31, 2023
Record last updated
Oct 15, 2023
Medicare enrollment
Enrolled (PECOS I20231017002883); 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 physician assistant records → All 6,989 in Michigan → Look up another NPI →

Also registered at 44201 Dequindre RD

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

  1. Mary A Pogasic, BSN, RNStudent in an Organized Health Care Education/Training Program1184559080
  2. Salma Abd Elhamid, PA-CPhysician Assistant1457245730
  3. Ryan Achrem, PA-CPhysician Assistant1720672736
  4. Aisha Afzal, M.D.Internal Medicine Physician1538474440
  5. Yusaf Ahmed, MDAnesthesiology Physician1174152136
  6. Melissa Akash, PAPhysician Assistant1780950329

Verify Knute Patrick O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5601012036    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 Michigan 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. Beaumont Medical Group Hospital Based ServicesTroy, MI

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

Knute Patrick O'Brien among 6,989 physician assistant records in Michigan

Knute Patrick O'Brien, PA is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2023 · median 2017 among the 4,739 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

237 physician assistant records list a practice address in Troy

They are 237 of the 3,809 NPPES records with a practice address in Troy, and 6,989 physician assistant records in Michigan.

All 6,989 in Michigan → Every provider in Troy → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Anita ChadhaTroy, MI 480851073589990
  2. Monique Chagnon-Bicego, PATroy, MI 480851861468787
  3. David ClaeysTroy, MI 480851801863725
  4. Ruxandra Danciu, P.A.-C.Troy, MI 480851053306167
  5. Kenneth GarianTroy, MI 480851437126901
  6. Mary HeimTroy, MI 480851598732976
  7. Debra HerrickTroy, MI 480851215904693
  8. Catherine HighfieldTroy, MI 480851669449054

Common questions

What is Knute Patrick O'Brien, PA's NPI number?

Knute Patrick O'Brien, PA's National Provider Identifier (NPI) is 1407537517, issued on Jul 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Knute Patrick O'Brien, PA located?

The NPPES record lists a practice address at 44201 Dequindre RD, Troy, MI, 48085. Phone: (248) 964-5000. Providers update this record themselves, so call before visiting.

How can I verify Knute Patrick O'Brien, PA's license?

NPPES lists Michigan license number 5601012036, as entered by the provider. Search the Michigan 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.