April Diane Keys, NP
Nurse Practitioner · Ann Arbor, MI
April Diane Keys, NP is a nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1376766402, issued on Apr 10, 2007. Check the license (Michigan 4704221939, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- April Diane Keys
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4704221939 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1801 Briarwood Cir, Ann Arbor, MI 48108
- Phone
- (734) 539-5000
- Enumerated
- Apr 10, 2007
- Record last updated
- Mar 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20081007000464); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 1801 Briarwood Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify April Diane Keys in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704221939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average nurse practitioner in 2024
308 Medicare Part D claims for 50 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 79 claims were for opioids.
Most prescribed
- Duloxetine Hcl25 claims
- Atorvastatin Calcium22 claims
- Gabapentin17 claims
- Hydrocodone-Acetaminophen14 claims
- Buprenorphine13 claims
- Hydromorphone Hcl13 claims
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.
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
April Diane Keys among 3,574 nurse practitioner records in Michigan
April Diane Keys, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2008 · median 2017 among the 1,983 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
704 nurse practitioner records list a practice address in Ann Arbor
They are 704 of the 15,616 NPPES records with a practice address in Ann Arbor, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Ann Arbor → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Donna Auer, NPAnn Arbor, MI 481081114171238
- Cynthia Darling-Fisher, PHD, APRN, BC, FNPAnn Arbor, MI 481081508943275
- Catharine Gardner, NPAnn Arbor, MI 481081790803435
- Eileen Grady, NPAnn Arbor, MI 481081457364747
- Kelly Hall, NPAnn Arbor, MI 481081629198478
- Katherine Hoffman, CNPAnn Arbor, MI 481081356629844
- Janee Koc, NPAnn Arbor, MI 481081740582204
- Katrina Richardson, NPAnn Arbor, MI 481081053399337
Common questions
What is April Diane Keys, NP's NPI number?
April Diane Keys, NP's National Provider Identifier (NPI) is 1376766402, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is April Diane Keys, NP located?
The NPPES record lists a practice address at 1801 Briarwood Cir, Ann Arbor, MI, 48108. Phone: (734) 539-5000. Providers update this record themselves, so call before visiting.
How can I verify April Diane Keys, NP's license?
NPPES lists Michigan license number 4704221939, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does April Diane Keys, NP prescribe under Medicare Part D?
In 2024, April Diane Keys, NP had 308 Medicare Part D claims for 50 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.