Caroline Jane Hay, NP
- Hospital affiliations
- 1
- Industry payments
- $82
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital in Ann Arbor
Ann Arbor, Michigan
Find Caroline Hay's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Caroline Jane Hay is a nurse practitioner in Ann Arbor, Michigan
Caroline Hay practices at University Hospital in Ann Arbor in Ann Arbor, Michigan.
Caroline Hay's NPI, 1942174784, was assigned on October 3, 2025. Caroline Hay holds Michigan license 4704343400.
- NPI
- 1942174784NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931680923
- NPI enumeration date
- October 3, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Caroline Jane Hay practices at University Hospital in Ann Arbor in Ann Arbor, Michigan
Caroline Hay's primary practice is University Hospital in Ann Arbor, at 1500 E Medical Center Dr, Ann Arbor, MI 48109 in Washtenaw County. The practice phone is (734) 936-4000.
- University Hospital in Ann Arbor1500 E Medical Center Dr, Ann Arbor, MI 48109 · Washtenaw CountyPhone(734) 936-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Caroline Jane Hay is affiliated with 2 sites of care and 1 medical group
Caroline Hay's primary practice is University Hospital in Ann Arbor in Ann Arbor, Michigan. Caroline Hay is also affiliated with University Hospital. The medical group on file is University of Michigan Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Caroline Jane Hay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Caroline Hay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital in Ann Arbor | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Caroline Jane Hay is one of 2,742 nurse practitioners in Michigan
Nurse practitioner is Caroline Hay's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Caroline Hay is licensed in Michigan.
Specialties and state licenses
- Nurse practitioner, MichiganPrimary
Nurse practitioners near Caroline Hay
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Caroline Jane Hay's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Caroline Hay's median patient age at 10, with 36% women.
Caroline Hay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
How Caroline Jane Hay takes part in Medicare
Caroline Hay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Caroline Jane Hay received $82 in industry payments in 2025
CMS Open Payments shows 3 general payments to Caroline Hay from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $60.
Companies that paid Caroline Hay the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Caroline Jane Hay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Caroline Jane Hay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Caroline Jane Hay's NPI number?
Caroline Jane Hay's NPI number is 1942174784. It was assigned on October 3, 2025, and it is active in the NPI Registry.
What does Caroline Jane Hay specialize in?
Caroline Jane Hay is a nurse practitioner in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Caroline Jane Hay practice?
Caroline Hay practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Caroline Hay's primary practice is University Hospital in Ann Arbor in Ann Arbor, Michigan.
What is Caroline Jane Hay's office phone number?
The practice phone on file for Caroline Hay is (734) 936-4000.
What is Caroline Jane Hay's medical license number?
Caroline Hay holds Michigan license 4704343400.
Which hospitals is Caroline Jane Hay affiliated with?
Caroline Hay is affiliated with University Hospital.
What medical group is Caroline Jane Hay part of?
Caroline Hay is linked to University of Michigan Health.
Does Caroline Jane Hay accept Medicare?
Yes. CMS lists Caroline Hay as accepting Medicare assignment.
Has Caroline Jane Hay received payments from drug or device companies?
CMS Open Payments shows $82 in general payments to Caroline Hay from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Caroline Jane Hay been practicing?
Caroline Hay graduated from medical school in 2025, 1 years ago.
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