Bernard J. O'Brien, P.A.C.
Physician Assistant · Ossineke, MI
Bernard J. O'Brien, P.A.C. is a physician assistant with a practice address in Ossineke, Michigan, and NPI 1871523977, issued on Jul 4, 2006. Check the license (Michigan 5601001564, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Bernard J. O'Brien
- Credential
- P.A.C.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601001564 MI
Self-reported in NPPES; status is on the state search - Practice location
- 11745 US Highway 23 S, Ossineke, MI 49766
- Phone
- (989) 471-2156
- Enumerated
- Jul 4, 2006
- Record last updated
- Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (989) 471-5257
- Medicare enrollment
- Enrolled (PECOS I20060405000043); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 11745 US Highway 23 S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Beatty-Page, P.A.C.Physician Assistant1841220001
- Jacqueline Fitzgerald, D.O.General Practice Physician1205862455
- Christian Grant, MDFamily Medicine Physician1588248900
- Barbara Kacel, NPFamily Nurse Practitioner1831172600
- Michelle Lafave, M.D.Family Medicine Physician1386638138
- Stephanie Mancine, MA, LPCCounselor1952449449
Verify Bernard J. O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601001564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average physician assistant in 2024
2,138 Medicare Part D claims for 317 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium155 claims
- Levothyroxine Sodium136 claims
- Lisinopril118 claims
- Amlodipine Besylate97 claims
- Rosuvastatin Calcium76 claims
- Omeprazole68 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.
Bills Medicare through one group practice
- Alcona Citizens For Health IncAlpena, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 physician assistant records list a practice address in Ossineke
They are 2 of the 14 NPPES records with a practice address in Ossineke, and 6,989 physician assistant records in Michigan.
All 2 in Ossineke → All 6,989 in Michigan → Every provider in Ossineke →
Other physician assistant records in Michigan
- Hauraa Aalabdulrasul, PADetroit, MI1467181982
- Kilee Aamodt, PA-CMuskegon, MI1578964300
- Rasha AbbasDetroit, MI1750239505
- Layan Abbasi, PA-CYpsilanti, MI1043045552
- Veronica Abbo, PA-CRoseville, MI1659889806
- Stephanie Abbott, PA-CGrand Rapids, MI1386072825
- Samar Abboud, PA-CYpsilanti, MI1871942144
- Salma Abd Elhamid, PA-CTroy, MI1457245730
- Malak Abdallah, PA-CDearborn, MI1245922194
- Marriam Abdallah, PA-CDearborn, MI1720962574
Common questions
What is Bernard J. O'Brien, P.A.C.'s NPI number?
Bernard J. O'Brien, P.A.C.'s National Provider Identifier (NPI) is 1871523977, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bernard J. O'Brien, P.A.C. located?
The NPPES record lists a practice address at 11745 US Highway 23 S, Ossineke, MI, 49766. Phone: (989) 471-2156. Providers update this record themselves, so call before visiting.
How can I verify Bernard J. O'Brien, P.A.C.'s license?
NPPES lists Michigan license number 5601001564, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Bernard J. O'Brien, P.A.C. prescribe under Medicare Part D?
In 2024, Bernard J. O'Brien, P.A.C. had 2,138 Medicare Part D claims for 317 beneficiaries; the average among physician assistant prescribers was 830. 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.