1. Home
  2. Directory
  3. Michigan
  4. Grand Rapids
  5. Physician Assistant
  6. NPI Profile

MR. JONATHAN GESKUS
NPI 1720482854
Physician Assistant in Grand Rapids, MI

Active since October 17, 2014PECOS EnrolledAccepts Medicare Assignment
426 MICHIGAN ST NE, GRAND RAPIDS, MI 49503(616) 391-4950 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 27, 2026, Aug 5, 2021, Mar 14, 2016 (3 updates tracked since 2016).

About Mr. Jonathan Geskus NPPES

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

MR. JONATHAN GESKUS (NPI 1720482854) is an individual physician assistant in Grand Rapids, Michigan, licensed in Michigan (5601012877) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1720482854
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. JONATHAN GESKUS
Location Address426 MICHIGAN ST NEGrand Rapids, MI 49503-5609
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Phone(616) 391-4950
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 17, 2014
Last NPPES UpdateApril 27, 20263 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1720482854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MI · 5601012877
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
426 MICHIGAN ST NE, Grand Rapids, MI 49503
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Jonathan Geskus 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 ID9436457173
PECOS Enrollment IDI20260326001402
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.

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
$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.

DR. NICHOLAS ALEXANDER STEPHANOFF M.D.
Family Medicine
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 267-7888
RITA DEKKER
Nurse Practitioner
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 391-2778
JENNIFER MARIE SHANLEY CNM
Advanced Practice Midwife
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 391-3302
MICHIGAN STREET OPTICAL
Durable Medical Equipment & Medical Supplies
426 MICHIGAN ST NE, SUITE 101
GRAND RAPIDS, MI 49503
Kent County (616) 459-1844
AMY COX MD
Family Medicine
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 267-7888
TAMI JOY MICHELE DO
Obstetrics & Gynecology
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 391-3302
MARGUERITE B SOWERS PA-C
Physician Assistant (Medical)
426 MICHIGAN ST NE, SUITE 201
GRAND RAPIDS, MI 49503
Kent County (616) 459-8209
MOLLY JANE TIESENGA APRN
Nurse Practitioner (Adult Health)
426 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 267-8338

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 Jonathan Geskus's NPI number?

The NPI number for Jonathan Geskus is 1720482854. It was assigned to this individual provider in the NPPES registry on October 17, 2014.

Where is Jonathan Geskus located?

Jonathan Geskus practices at 426 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-4950.

What is Jonathan Geskus's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Jonathan Geskus enrolled in Medicare?

Yes. Jonathan Geskus 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.

When was this NPI record last updated?

The NPPES record for Jonathan Geskus was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.