1. Home
  2. Directory
  3. Michigan
  4. Muskegon
  5. Family Medicine
  6. NPI Profile

DR. KORYN M VANITTERSUM M.D.
NPI 1699767897
Family Medicine in Muskegon, MI

Active since August 16, 2005PECOS Enrolled
6401 PRAIRIE ST, SUITE 2600, MUSKEGON, MI 49444(231) 727-7900(231) 727-7914 Get Directions Write a Review

NPPES record last updated: June 20, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Koryn M Vanittersum M.d. NPPES

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

DR. KORYN M VANITTERSUM M.D. (NPI 1699767897) is an individual family medicine provider in Muskegon, Michigan, licensed in Michigan (4301076092) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699767897
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KORYN M VANITTERSUMCredential: M.D.
Location Address6401 PRAIRIE ST, SUITE 2600Muskegon, MI 49444
Mailing AddressPo Box 1848Muskegon, MI 49443-1848 · (231) 727-4444 · Fax (231) 728-4789
Phone(231) 727-7900
Fax(231) 727-7914
Sole ProprietorNo
Enumeration DateAugust 16, 2005
Last NPPES UpdateJune 20, 2013
✔ NPI 1699767897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MI · 4301076092
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
6401 PRAIRIE ST, Muskegon, MI 49444
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINH91543MI
OtherN28430074MI · Medicare

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Koryn M Vanittersum M.d. 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 Reassignment

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

Lakeshore Derm & Laser Center Plc
0.2 mi
Procedural Dermatology
6225 PRAIRIE ST
Norton Shores, MI 49444
  • Reassigned Medicare billing, Michigan enrollment
  • 7 clinicians in this Medicare group
NPI 1538209945 (231) 798-9500

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 49444 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 20

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

LESLIE S WOOLDRIDGE NP
Nurse Practitioner
6401 PRAIRIE ST, SUITE 1700
NORTON SHORES, MI 49444
Muskegon County (231) 727-7944
DR. DAVID A VANWINKLE MD
Family Medicine (Adult Medicine)
6401 PRAIRIE ST, SUITE 1600
MUSKEGON, MI 49444
Muskegon County (231) 727-7920
SARA STAUPE HOLZGEN D.O.
Obstetrics & Gynecology
6401 PRAIRIE ST
NORTON SHORES, MI 49444
Muskegon County (231) 727-7939
HACKLEY HOSPITAL FISCAL SERVICES
Clinic/Center
6401 PRAIRIE ST, STE 2300
MUSKEGON, MI 49444
Muskegon County (231) 728-4851
KELLY M JENSEN PA-C
Physician Assistant
6401 PRAIRIE ST, SUITE 2300
NORTON SHORES, MI 49444
Muskegon County (231) 727-7928
HACKLEY HOSPITAL
Clinic/Center (Urgent Care)
6401 PRAIRIE ST, SUITE 1200
MUSKEGON, MI 49444
Muskegon County (231) 724-7800
CHARLES E FELDT DO
Family Medicine
6401 PRAIRIE ST, SUITE 1200
MUSKEGON, MI 49444
Muskegon County (231) 724-7800
JANET E GRAHAM DNP, FNP-BC
Nurse Practitioner (Obstetrics & Gynecology)
6401 PRAIRIE ST, SUITE 2600
NORTON SHORES, MI 49444
Muskegon County (231) 727-7939

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 Koryn Vanittersum's NPI number?

The NPI number for Koryn Vanittersum is 1699767897. It was assigned to this individual provider in the NPPES registry on August 16, 2005.

Where is Koryn Vanittersum located?

Koryn Vanittersum practices at 6401 Prairie St Suite 2600, Muskegon, MI 49444. The listed phone number is (231) 727-7900.

What is Koryn Vanittersum's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Koryn Vanittersum enrolled in Medicare?

Yes. Koryn Vanittersum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Koryn Vanittersum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Koryn Vanittersum reassigns Medicare benefits to Lakeshore Derm & Laser Center Plc (Norton Shores, 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 Koryn Vanittersum'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 Koryn Vanittersum was last updated on June 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.