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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.

DR. MARVIN RUDOLPH NAPGEZEK M.D.
NPI 1215915715
Internal Medicine in Willmar, MN

Active since January 04, 2006PECOS Enrolled
1550 HIGHWAY 71 NE, WILLMAR REGIONAL TREATMENT CENTER, WILLMAR, MN 56201(320) 231-5100(320) 231-5329 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marvin Rudolph Napgezek M.d. NPPES

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

DR. MARVIN RUDOLPH NAPGEZEK M.D. (NPI 1215915715) is an individual internal medicine provider in Willmar, Minnesota, licensed in Minnesota (20999) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215915715
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARVIN RUDOLPH NAPGEZEKCredential: M.D.
Location Address1550 HIGHWAY 71 NE, WILLMAR REGIONAL TREATMENT CENTERWillmar, MN 56201-9599
Mailing Address1550 Highway 71 Ne, Willmar Regional Treatment CenterWillmar, MN 56201-9599 · (320) 231-5100 · Fax (320) 231-5329
Phone(320) 231-5100
Fax(320) 231-5329
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1215915715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MN · 20999
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1550 HIGHWAY 71 NE, Willmar, MN 56201
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marvin Rudolph Napgezek 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56201 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 7

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

MRS. MARGRETTA KRAY RN, CNP
Nurse Practitioner (Adult Health)
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
WILLMAR REGIONAL TREATMENT CENTER
Psychiatric Hospital
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
DR. DOUGLAS GRAHAM KNIGHT M.D.
Family Medicine
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
DR. ALLAN HEINO VALGEMAE M.D.
Psychiatry & Neurology (Psychiatry)
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
DR. GULSHAN K SINGH M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
DR. FRANCIS D KOSS M.D.
Psychiatry & Neurology (Psychiatry)
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100
DR. ROBERT DOANE WASSON M.D.
Psychiatry & Neurology (Psychiatry)
1550 HIGHWAY 71 NE
WILLMAR, MN 56201
Kandiyohi County (320) 231-5100

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 Marvin Napgezek's NPI number?

The NPI number for Marvin Napgezek is 1215915715. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Marvin Napgezek located?

Marvin Napgezek practices at 1550 Highway 71 NE Willmar Regional Treatment Center, Willmar, MN 56201. The listed phone number is (320) 231-5100.

What is Marvin Napgezek's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marvin Napgezek enrolled in Medicare?

Yes. Marvin Napgezek is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marvin Napgezek was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.