APRIL DIANE KEYS NP
NPI 1376766402
Nurse Practitioner in Ann Arbor, MI
About April Diane Keys Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
APRIL DIANE KEYS NP (NPI 1376766402) is an individual nurse practitioner in Ann Arbor, Michigan, licensed in Michigan (4704221939) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
April Diane Keys 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.
Medicare Billing Reassignments
2Medicare enrollment records show April Keys reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48103
- Reassigned Medicare billing, Michigan enrollment
- 31 clinicians in this Medicare group
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 507 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48108 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.
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 April Keys's NPI number?
The NPI number for April Keys is 1376766402. It was assigned to this individual provider in the NPPES registry on April 10, 2007. The provider is also known as April Diane Bigelow Np.
Where is April Keys located?
April Keys practices at 1801 Briarwood Cir, Ann Arbor, MI 48108. The listed phone number is (734) 539-5000.
What is April Keys's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is April Keys enrolled in Medicare?
Yes. April Keys 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.
Which organizations bill Medicare for April Keys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), April Keys reassigns Medicare benefits to 2 organizations: Packard Health, Inc. (Ann Arbor, MI) and Regents Of The University Of Michigan (Ann Arbor, MI). 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 April Keys's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does April Keys accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list April Keys 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.
Is April Keys affiliated with any hospitals?
According to CMS data, April Keys is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for April Keys was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# April Diane Keys, NP · NPI 1376766402
Nurse Practitioner physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 10, 2007.
## Identity
- **NPI:** 1376766402 (Entity type: Individual)
- **Enumerated:** April 10, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 4704221939 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 BRIARWOOD CIR, Ann Arbor, MI 48108-3347
- **Phone:** (734) 539-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Packard Health, Inc. (NPI 1851769053, Ann Arbor, MI); Regents Of The University Of Michigan (NPI 1447275102, Ann Arbor, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** March 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1376766402) · Data from the CMS NPPES public registry.