DR. JOSEPH R WILLETT (DO) – Internal Medicine Physician, NPI 1558337865

DR. JOSEPH R WILLETT (DO) is a healthcare provider. based in Marshall, Minnesota. specializing in Internal Medicine Physician. They hold the professional credentials DO. They hold a License No. 34362 (MN). The NPI Number for DR. JOSEPH R WILLETT (DO) is 1558337865

Main info

Male
39 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOSEPH R WILLETT (DO)
NPI
1558337865
Phone
(507) 532-9631
Address
300 SOUTH BRUCE ST
Enumeration Date
27 February 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Secondary Phone
-
Graduation Year
1987 (39 years ago)
PAC ID
5496843856
Group Practice PAC ID
5799695227
Professional Enrollment ID
I20100130000343
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JOSEPH R WILLETT (DO)

  • Avera Marshall Regional Medical Center, 300, South Bruce Street, Marshall, Lyon County, Minnesota, 56283, United States

    MARSHALL, MN 56258

    Phone: (507) 532-9631

    Fax: (507) 532-1905

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 56258)

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Provider's Procedures

DR. JOSEPH R WILLETT (DO) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMN43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope2121
INTERNAL MEDICINEMN45378Diagnostic examination of large bowel using an endoscope2222
INTERNAL MEDICINEMN45385Removal of polyps or growths of large bowel using an endoscope1212
INTERNAL MEDICINEMN83036Hemoglobin A1C level5428
INTERNAL MEDICINEMN85610Blood test, clotting time9455
INTERNAL MEDICINEMN90670Pneumococcal vaccine for injection into muscle3232

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5799695227View full group profile
NameSpecialtyState
U R O L O G YIA
Physical Therapist In Private PracticeMN
-MN
-ND
Certified Registered Nurse Anesthetist (Crna)MN
-AZ
Nurse PractitionerSD
Certified Registered Nurse Anesthetist (Crna)IA
Diagnostic RadiologySD
-MN

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Frequently asked questions

Is there an official ID for DR. JOSEPH R WILLETT (DO) in U.S. healthcare records?
The official identifier for DR. JOSEPH R WILLETT (DO) is NPI 1558337865.
Is DR. JOSEPH R WILLETT (DO) shown as active in public data?
Registry records indicate DR. JOSEPH R WILLETT (DO) maintains an active NPI.
How would a patient describe DR. JOSEPH R WILLETT (DO)'s focus?
For DR. JOSEPH R WILLETT (DO), the primary taxonomy reads as Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. JOSEPH R WILLETT (DO)?
Directory geography for DR. JOSEPH R WILLETT (DO) centers on Marshall, Minnesota.
When was this NPI issued?
Enumeration for DR. JOSEPH R WILLETT (DO) is noted as February 27, 2006 where the registry provides it.

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