Patrick O'Hayer
Student in an Organized Health Care Education/Training Program · Ann Arbor, MI
Patrick O'Hayer is a student in an organized health care education/training program with a practice address in Ann Arbor, Michigan, and NPI 1659932564, issued on Jun 23, 2019. Check the license (Michigan 4351044766, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Patrick O'Hayer
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- 4351044766 MI
Self-reported in NPPES; status is on the state search - Practice location
- 375 Briarwood Cir, Ann Arbor, MI 48108
- Phone
- (734) 998-7207
- Enumerated
- Jun 23, 2019
- Record last updated
- Jun 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 8,265 in Michigan → Look up another NPI →
Also registered at 375 Briarwood Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Arizaca-Dileo, M.D.Internal Medicine Physician1306004759
- Alexandra CastroStudent in an Organized Health Care Education/Training Program1639006950
- Nicole CremerStudent in an Organized Health Care Education/Training Program1134789266
- Elizabeth Drake, MDInternal Medicine Physician1881783751
- Kayla GallantStudent in an Organized Health Care Education/Training Program1699602979
- Yousif GariaqozaStudent in an Organized Health Care Education/Training Program1891535845
Verify Patrick O'Hayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4351044766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
48 Medicare Part D claims for 17 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Patrick O'Hayer among 8,265 student in an organized health care education/training program records in Michigan
Patrick O'Hayer is one of 8,265 student in an organized health care education/training program records with a practice address in Michigan. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 11% of them.
- NPI issued2019 · 11% of these records are older, 86% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2019 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,217 student in an organized health care education/training program records list a practice address in Ann Arbor
They are 1,217 of the 15,616 NPPES records with a practice address in Ann Arbor, and 8,265 student in an organized health care education/training program records in Michigan.
All 8,265 in Michigan → Every provider in Ann Arbor → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Lana Abdole, MDAnn Arbor, MI 481081639750680
- Lubna Ayoubi, MDAnn Arbor, MI 481081013537455
- Elise Corden, MDAnn Arbor, MI 481081629643952
- Andrew CoryeaAnn Arbor, MI 481081528717493
- Nicole CremerAnn Arbor, MI 481081134789266
- George Evans, MDAnn Arbor, MI 481081467681627
- Anna Fryzel, B.AAnn Arbor, MI 481081639505415
- Alexandra Gamber, MDAnn Arbor, MI 481081619590056
Common questions
What is Patrick O'Hayer's NPI number?
Patrick O'Hayer's National Provider Identifier (NPI) is 1659932564, issued on Jun 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Patrick O'Hayer located?
The NPPES record lists a practice address at 375 Briarwood Cir, Ann Arbor, MI, 48108. Phone: (734) 998-7207. Providers update this record themselves, so call before visiting.
How can I verify Patrick O'Hayer's license?
NPPES lists Michigan license number 4351044766, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Patrick O'Hayer prescribe under Medicare Part D?
In 2024, Patrick O'Hayer had 48 Medicare Part D claims for 17 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.