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DR. DENNIS SETH VANWORMER D.O.
NPI 1336129568
Family Medicine in Caledonia, MI

Active since January 23, 2006PECOS Enrolled
9090 S RODGERS CT SE STE A, CALEDONIA, MI 49316(616) 891-0422 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 28, 2026, May 20, 2025, Dec 28, 2022 (3 updates tracked since 2022).

About Dr. Dennis Seth Vanwormer D.o. NPPES

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

DR. DENNIS SETH VANWORMER D.O. (NPI 1336129568) is an individual family medicine provider in Caledonia, Michigan, licensed in Michigan (5101009001) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336129568
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DENNIS SETH VANWORMERCredential: D.O.
Location Address9090 S RODGERS CT SE STE ACaledonia, MI 49316-8052
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 891-0422
Sole ProprietorNo
Enumeration DateJanuary 23, 2006
Last NPPES UpdateApril 28, 20263 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
✔ NPI 1336129568 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 · 5101009001
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.
9090 S RODGERS CT SE STE A, Caledonia, MI 49316
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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. Dennis Seth Vanwormer D.o. 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

2

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

Advantage Health Saint Mary's Medical Group
11 mi
Orthopaedic Surgery
2373 64TH ST SW STE 2700
Byron Center, MI 49315
  • Reassigned Medicare billing, Michigan enrollment
  • 737 clinicians in this Medicare group
NPI 1003515008 (616) 465-5910
Beacon Medical Group Michigan Inc
34 mi
Internal Medicine
1717 SHAFFER ST, STE 124
Kalamazoo, MI 49048
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Medical Group Promed
  • 465 clinicians in this Medicare group
NPI 1720009954 (269) 344-5552

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 49316 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 10

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

PAYTON MATTHEW HIRSCHENBERGER PA
Physician Assistant
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
AMANDA RENEE BUYZE PA
Physician Assistant
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
MACKENZIE SPROULL MD
Family Medicine
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
DR. ADAM ZACHARY MITCHELL D.O.
Family Medicine
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
CALLAN LEIGH SCHOONVELD NP
Nurse Practitioner (Family)
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
JAIME BURNS NP
Nurse Practitioner (Family)
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
SPECTRUM HEALTH PRIMARY CARE PARTNERS
Family Medicine
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422
ANDREW KINGSBURY NP
Nurse Practitioner
9090 S RODGERS CT SE STE A
CALEDONIA, MI 49316
Kent County (616) 891-0422

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 Dennis Vanwormer's NPI number?

The NPI number for Dennis Vanwormer is 1336129568. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Dennis Vanwormer located?

Dennis Vanwormer practices at 9090 S Rodgers Ct SE Ste A, Caledonia, MI 49316. The listed phone number is (616) 891-0422.

What is Dennis Vanwormer's specialty?

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

Is Dennis Vanwormer enrolled in Medicare?

Yes. Dennis Vanwormer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dennis Vanwormer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Vanwormer reassigns Medicare benefits to 2 organizations: Advantage Health Saint Mary's Medical Group (Byron Center, MI) and Beacon Medical Group Michigan Inc (Kalamazoo, 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 Dennis Vanwormer'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 Dennis Vanwormer was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.