NPPES file of Aug 9, 2026

Jonnika Williams, DNP

Family Nurse Practitioner · Saginaw, MI

Jonnika Williams, DNP is a family nurse practitioner with a practice address in Saginaw, Michigan, and NPI 1518440775, issued on Sep 12, 2018. Check the license (Michigan 4704880775, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518440775
Name
Jonnika Williams
Credential
DNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704880775 MI
Self-reported in NPPES; status is on the state search
Practice location
2110 N Morson St, Saginaw, MI 48602
Phone
(313) 646-0846
Enumerated
Sep 12, 2018
Record last updated
Aug 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 5,356 in Michigan → Look up another NPI →

Also registered at 2110 N Morson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jon Potrykus, DIPL.,AC.Acupuncturist1336417898

Verify Jonnika Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704880775    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

168 Medicare Part D claims for 42 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Jonnika Williams168
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium18 claims
  2. Amlodipine Besylate13 claims
  3. Albuterol Sulfate Hfa11 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.

Jonnika Williams among 5,356 family nurse practitioner records in Michigan

Jonnika Williams, DNP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 40% of them.

  • NPI issued2018 · 40% of these records are older, 53% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2019 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

191 family nurse practitioner records list a practice address in Saginaw

They are 191 of the 6,008 NPPES records with a practice address in Saginaw, and 5,356 family nurse practitioner records in Michigan.

All 5,356 in Michigan → Every provider in Saginaw → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Garria Arnold, DNP CFNPSaginaw, MI 486021932164415
  2. Alyssa Beebe, APRN, BCSaginaw, MI 486021972694909
  3. Corrine Dill, FNPSaginaw, MI 486021538183819
  4. Shauna Federico, M.S.N., FNP-BCSaginaw, MI 486021740396746
  5. Anna Harper, MSN, APRN-BCSaginaw, MI 486021205942380
  6. Barbara Ilkka, N.P.Saginaw, MI 486021598874299
  7. Robin Kaczanowski, APRN-BC, FNPSaginaw, MI 486021851324321
  8. Brenda Kargel, N.P.Saginaw, MI 486021205946431

Common questions

What is Jonnika Williams, DNP's NPI number?

Jonnika Williams, DNP's National Provider Identifier (NPI) is 1518440775, issued on Sep 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jonnika Williams, DNP located?

The NPPES record lists a practice address at 2110 N Morson St, Saginaw, MI, 48602. Phone: (313) 646-0846. Providers update this record themselves, so call before visiting.

How can I verify Jonnika Williams, DNP's license?

NPPES lists Michigan license number 4704880775, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Jonnika Williams, DNP prescribe under Medicare Part D?

In 2024, Jonnika Williams, DNP had 168 Medicare Part D claims for 42 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.