CAROLINE JANE HAY NP
NPI 1942174784
Nurse Practitioner in Ann Arbor, MI
About Caroline Jane Hay Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLINE JANE HAY NP (NPI 1942174784) is an individual nurse practitioner in Ann Arbor, Michigan, licensed in Michigan (4704343400) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Caroline Jane Hay Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Caroline Hay's NPI number?
The NPI number for Caroline Hay is 1942174784. It was assigned to this individual provider in the NPPES registry on October 3, 2025.
Where is Caroline Hay located?
Caroline Hay practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-5000.
What is Caroline Hay's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Caroline Hay enrolled in Medicare?
Yes. Caroline Hay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Caroline Hay was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Caroline Jane Hay, NP · NPI 1942174784
Nurse Practitioner physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since October 3, 2025.
## Identity
- **NPI:** 1942174784 (Entity type: Individual)
- **Enumerated:** October 3, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 4704343400 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** January 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1942174784) · Data from the CMS NPPES public registry.