NPPES file of Aug 9, 2026

Gavin O'Brien

Physician Assistant · Grand Rapids, MI

Gavin O'Brien is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1003689183, issued on Nov 1, 2023. Check the license 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
1003689183
Name
Gavin O'Brien
Primary taxonomy
Physician Assistant 363A00000X
Practice location
770 Kenmoor Ave SE Ste 100, Grand Rapids, MI 49546
Phone
(616) 272-3533
Enumerated
Nov 1, 2023
Record last updated
Apr 7, 2026
Fax
(616) 259-4839
Medicare enrollment
Enrolled (PECOS I20260327002147); 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 770 Kenmoor Ave SE Ste 100

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

  1. Rebecca Baker Marriott, RN, MSN, FNP-BCFamily Nurse Practitioner1679089759
  2. Corinna Balentine, FNP-CFamily Nurse Practitioner1164956934
  3. Mary Ball, M.D.Geriatric Medicine (Family Medicine) Physician1801888938
  4. Kaitlyn Collins, AGNPAdult Health Nurse Practitioner1326544230
  5. Angela Coplin, NPAdult Health Nurse Practitioner1295482743
  6. Chelsea Delisle, FNP- BCNurse Practitioner1578195681

Verify Gavin O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan 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 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. Northview Health Specialists, PLLCGrand Rapids, MI

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

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

Gavin O'Brien 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
  • Graduated2025 · median 2017 among the 4,739 with a school on file
  • Record last updated2026 · 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).

913 physician assistant records list a practice address in Grand Rapids

They are 913 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,989 physician assistant records in Michigan.

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

The 8 physician assistant records with the nearest ZIP codes

  1. Randall Brady, PAGrand Rapids, MI 495461396798542
  2. Robert Burghduf, PA-CGrand Rapids, MI 495461477548832
  3. Heather Dickinson, PA-CGrand Rapids, MI 495461144269291
  4. Karen Garbowitz, PA-CGrand Rapids, MI 495461144210139
  5. Patrick Handlin, PAGrand Rapids, MI 495461366421711
  6. Kendra Lowing, P.A.Grand Rapids, MI 495461710951488
  7. Kathryn Pleune, PA-CGrand Rapids, MI 495461467426122
  8. Karen Ruihley, PA-CGrand Rapids, MI 495461225094295

Common questions

What is Gavin O'Brien's NPI number?

Gavin O'Brien's National Provider Identifier (NPI) is 1003689183, issued on Nov 1, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Gavin O'Brien located?

The NPPES record lists a practice address at 770 Kenmoor Ave SE Ste 100, Grand Rapids, MI, 49546. Phone: (616) 272-3533. Providers update this record themselves, so call before visiting.

How can I verify Gavin O'Brien's license?

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.