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DR. JONNIKA WILLIAMS DNP
NPI 1518440775
Nurse Practitioner - Family in Saginaw, MI

Active since September 12, 2018PECOS Enrolled
2110 N MORSON ST, SAGINAW, MI 48602(313) 646-0846 Get Directions Write a Review

NPPES record last updated: August 29, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 29, 2019, Sep 12, 2018 (2 updates tracked since 2018).

About Dr. Jonnika Williams Dnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONNIKA WILLIAMS DNP (NPI 1518440775) is an individual family provider in Saginaw, Michigan, licensed in Michigan (4704880775) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518440775
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. JONNIKA WILLIAMSCredential: DNP
Location Address2110 N MORSON STSaginaw, MI 48602-3456
Mailing Address28442 Hoover Rd Apt 4Warren, MI 48093-5415 · (248) 206-9982
Phone(313) 646-0846
Sole ProprietorYes
Enumeration DateSeptember 12, 2018
Last NPPES UpdateAugust 29, 20192 updates tracked since enumeration
✔ NPI 1518440775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704880775
2110 N MORSON ST, Saginaw, MI 48602
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jonnika Williams Dnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Jonnika Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Great Lakes Medicine, Plc
73 mi
Hospitalist
50505 SCHOENHERR RD, STE 340
Shelby Township, MI 48315
  • Reassigned Medicare billing, Michigan enrollment
  • 51 clinicians in this Medicare group
NPI 1740210517 (586) 731-8400
Team Mental Health Services Inc.
89 mi
Primary Care
3646 MOUNT ELLIOTT ST
Detroit, MI 48207
  • Reassigned Medicare billing, Michigan enrollment
  • 116 clinicians in this Medicare group
NPI 1295324291 (313) 626-2400
Im Consultant
89 mi
Urgent Care
17751 E WARREN AVE
Detroit, MI 48224
  • Reassigned Medicare billing, Michigan enrollment
  • 12 clinicians in this Medicare group
NPI 1023644242 (313) 908-7464
New York City Health And Hospitals Corporation
543 mi
Skilled Nursing Facility
460 BRIELLE AVE
Staten Island, NY 10314
  • Reassigned Medicare billing, New York enrollment
  • 1,615 clinicians in this Medicare group
NPI 1285642512 (718) 317-3261

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN W CAVENDISH II MD
Family Medicine
2110 N MORSON ST
SAGINAW, MI 48602
Saginaw County (989) 790-3450
JON ANTHONY POTRYKUS DIPL.,AC.
Acupuncturist
2110 N MORSON ST
SAGINAW, MI 48602
Saginaw County (989) 249-9965
PRN CLINIC URGENT CARE, PLLC
Family Medicine
2110 N MORSON ST
SAGINAW, MI 48602
Saginaw County (989) 401-7225

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 Jonnika Williams's NPI number?

The NPI number for Jonnika Williams is 1518440775. It was assigned to this individual provider in the NPPES registry on September 12, 2018.

Where is Jonnika Williams located?

Jonnika Williams practices at 2110 N Morson St, Saginaw, MI 48602. The listed phone number is (313) 646-0846.

What is Jonnika Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Jonnika Williams enrolled in Medicare?

Yes. Jonnika Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jonnika Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonnika Williams reassigns Medicare benefits to 4 organizations: Great Lakes Medicine, Plc (Shelby Township, MI), Team Mental Health Services Inc. (Detroit, MI), Im Consultant (Detroit, MI) and New York City Health And Hospitals Corporation (Staten Island, NY). 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 Jonnika Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jonnika Williams was last updated on August 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.