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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JENNIFER L JANIK M.D
NPI 1851920136
Obstetrics & Gynecology in Grand Rapids, MI

Active since April 07, 2020PECOS EnrolledAccepts Medicare Assignment
555 MIDTOWNE ST NE, SUITE 400, GRAND RAPIDS, MI 49503(616) 588-1200(616) 588-1250 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2026, Apr 7, 2020 (2 updates tracked since 2020).

About Jennifer L Janik M.d NPPES

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

JENNIFER L JANIK M.D (NPI 1851920136) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (4301512606) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Western Michigan Un Homer Stryker School Of Med (2020).

NPPES Registry Identity

NPI1851920136
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameJENNIFER L JANIKCredential: M.D
Location Address555 MIDTOWNE ST NE, SUITE 400Grand Rapids, MI 49503-5731
Mailing Address555 Midtowne St Ne, Suite 400Grand Rapids, MI 49503-5731 · (616) 588-1200 · Fax (616) 588-1250
Phone(616) 588-1200
Fax(616) 588-1250
Sole ProprietorNo
Medical School CMSWestern Michigan Un Homer Stryker School Of MedGraduated 2020
Enumeration DateApril 7, 2020
Last NPPES UpdateOctober 16, 20262 updates tracked since enumeration
NPPES CertifiedApril 7, 2020
✔ NPI 1851920136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 4301512606
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
555 MIDTOWNE ST NE, Grand Rapids, MI 49503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Jennifer L Janik M.d 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 ID3678996691
PECOS Enrollment IDI20240807001174
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 Reassignment

Medicare enrollment records show Jennifer Janik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grand Rapids Womens Health PC
Same address
Obstetrics & Gynecology
555 MIDTOWNE NE, SUITE 400
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 26 clinicians in this Medicare group
NPI 1467545319 (616) 588-1200

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 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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 20

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

BRADLEY BENGTSON, M.D. PC
Plastic Surgery
555 MIDTOWNE ST NE, SUITE 110
GRAND RAPIDS, MI 49503
Kent County (616) 588-8880
OAM SURGERY CENTER AT MIDTOWNE, LLC
Clinic/Center (Ambulatory Surgical)
555 MIDTOWNE ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Kent County (616) 552-5000
DIPA SUMAN PATEL MD
Dermatology
555 MIDTOWNE ST NE, SUITE 301
GRAND RAPIDS, MI 49503
Kent County (616) 248-8864
MICHELLE MIZE EMERY MD
Dermatology
555 MIDTOWNE ST NE, SUITE 301
GRAND RAPIDS, MI 49503
Kent County (616) 248-8864
MICHELLE A KLYN MD
Obstetrics & Gynecology
555 MIDTOWNE ST NE, STE 450
GRAND RAPIDS, MI 49503
Kent County (616) 588-1200
SPECTRUM HEALTH PRIMARY CARE PARTNERS
Obstetrics & Gynecology
555 MIDTOWNE ST NE, SUITE 302
GRAND RAPIDS, MI 49503
Kent County (616) 391-3315
PENNANT PHYSICIAN SERVICES
Pediatrics (Pediatric Cardiology)
555 MIDTOWNE ST NE, SUITE 310
GRAND RAPIDS, MI 49503
Kent County (616) 252-4765
DR. DAVID J BIELEMA MD
Orthopaedic Surgery
555 MIDTOWNE ST NE, SUITE 105
GRAND RAPIDS, MI 49503
Kent County (616) 459-7101

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 Janik's NPI number?

The NPI number for Jennifer Janik is 1851920136. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Jennifer Janik located?

Jennifer Janik practices at 555 Midtowne St NE Suite 400, Grand Rapids, MI 49503. The listed phone number is (616) 588-1200.

What is Jennifer Janik's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Jennifer Janik enrolled in Medicare?

Yes. Jennifer Janik 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 organization bills Medicare for Jennifer Janik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Janik reassigns Medicare benefits to Grand Rapids Womens Health PC (Grand Rapids, MI). The 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 Janik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Janik accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Jennifer Janik 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.

When was this NPI record last updated?

The NPPES record for Jennifer Janik was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.