MRS. JENNIFER JEANNETTE WILLIAMS N.P
NPI 1528367687
Nurse Practitioner in Grand Rapids, MI

Active since March 15, 2011PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
100 MICHIGAN ST NE, SUITE 8861, GRAND RAPIDS, MI 49503(616) 391-0800(616) 391-0801 Get Directions Write a Review

NPPES record last updated: February 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Jennifer Jeannette Williams N.p NPPES

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

MRS. JENNIFER JEANNETTE WILLIAMS N.P (NPI 1528367687) is an individual nurse practitioner in Grand Rapids, Michigan, licensed in Michigan (4704315332) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1528367687
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. JENNIFER JEANNETTE WILLIAMSCredential: N.P
Location Address100 MICHIGAN ST NE, SUITE 8861Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Fax(616) 391-0801
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateMarch 15, 2011
Last NPPES UpdateFebruary 22, 2021
NPPES CertifiedFebruary 22, 2021
✔ NPI 1528367687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MI · 4704315332
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2260475 (MA)
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License RN2260475 (MA)
100 MICHIGAN ST NE, Grand Rapids, MI 49503

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

Mrs. Jennifer Jeannette Williams N.p 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.

PECOS PAC ID2466769039
PECOS Enrollment IDI20150915000216
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

2

Medicare enrollment records show Jennifer Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
100 MICHIGAN ST NE, MC-907
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 405 clinicians in this Medicare group
Hospitalist
100 MICHIGAN ST NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
18 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine
100 MICHIGAN ST NE, SUITE A721
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Internal Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physical Therapist
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE, MC 71
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE, SUITE 8861
GRAND RAPIDS, MI 49503

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 Jennifer Williams's NPI number?

The NPI number for Jennifer Williams is 1528367687. It was assigned to this individual provider in the NPPES registry on March 15, 2011.

Where is Jennifer Williams located?

Jennifer Williams practices at 100 Michigan St NE Suite 8861, Grand Rapids, MI 49503. The listed phone number is (616) 391-0800.

What is Jennifer Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jennifer Williams enrolled in Medicare?

Yes. Jennifer Williams 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 Jennifer Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Williams reassigns Medicare benefits to 2 organizations: Spectrum Health Hospitals (Grand Rapids, MI) and Spectrum Health Primary Care Partners (Grand Rapids, 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 Jennifer Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Jennifer Williams 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 Jennifer Williams affiliated with any hospitals?

According to CMS data, Jennifer Williams is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Jennifer Williams was last updated on February 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.