PATRICK O'HAYER
NPI 1659932564
Student in an Organized Health Care Education/Training Program in Ann Arbor, MI

Active since June 23, 2019PECOS Enrolled
375 BRIARWOOD CIR, ANN ARBOR, MI 48108(734) 998-7207 Get Directions Write a Review

NPPES record last updated: June 23, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Patrick O'hayer NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK O'HAYER (NPI 1659932564) is an individual student in an organized health care education/training program in Ann Arbor, Michigan, licensed in Michigan (4351044766) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2019).

NPPES Registry Identity

NPI1659932564
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NamePATRICK O'HAYER
Location Address375 BRIARWOOD CIRAnn Arbor, MI 48108-1605
Mailing Address1500 E Medical Center Dr # Tc3116Ann Arbor, MI 48109-5000
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2019
Enumeration DateJune 23, 2019
✔ NPI 1659932564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
License✔ Licensed in MI · 4351044766
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
375 BRIARWOOD CIR, Ann Arbor, MI 48108

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Patrick O'hayer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446585665
PECOS Enrollment IDI20260702000411
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Patrick O'hayer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1175 NININGER RD
Hastings, MN 55033
  • Reassigned Medicare billing, Minnesota enrollment
  • 3,733 clinicians in this Medicare group
Cardiovascular Disease
500 S MAPLE ST
Waconia, MN 55387
  • Reassigned Medicare billing, Minnesota enrollment
  • 68 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
375 BRIARWOOD CIR
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR, BUILDING 3
ANN ARBOR, MI 48108
Student in an Organized Health Care Education/Training Program
375 BRIARWOOD CIR
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR, BUILDING 3
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR
ANN ARBOR, MI 48108
Internal Medicine
375 BRIARWOOD CIR
ANN ARBOR, MI 48108

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick O'hayer's NPI number?

The NPI number for Patrick O'hayer is 1659932564. It was assigned to this individual provider in the NPPES registry on June 23, 2019.

Where is Patrick O'hayer located?

Patrick O'hayer practices at 375 Briarwood Cir, Ann Arbor, MI 48108. The listed phone number is (734) 998-7207.

What is Patrick O'hayer's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Patrick O'hayer enrolled in Medicare?

Yes. Patrick O'hayer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Patrick O'hayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick O'hayer reassigns Medicare benefits to 2 organizations: Allina Health System (Hastings, MN) and Minneapolis Heart Institute At Ridgeview Heart Center, LLC (Waconia, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patrick O'hayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patrick O'hayer accept?

Health plans from HealthPartners list Patrick O'hayer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Patrick O'hayer was last updated on June 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.