DR. DONALD WALTER THEISEN WESSEL (MD) – Internal Medicine Physician, NPI 1538142518

DR. DONALD WALTER THEISEN WESSEL (MD) is a healthcare provider. based in Minneapolis, Minnesota. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 33844 (MN). The NPI Number for DR. DONALD WALTER THEISEN WESSEL (MD) is 1538142518

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. DONALD WALTER THEISEN WESSEL (MD)
NPI
1538142518
Phone
Not provided
Address
8170 33RD AVE S # MS 21110Q
Enumeration Date
23 November 2005
Last Update Date
26 November 2019

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Secondary Phone
7152688000
Graduation Year
1989 (37 years ago)
PAC ID
0648176941
Group Practice PAC ID
2769391960
Professional Enrollment ID
I20050328000086
Address ID
WI540011439AM265XXEXXX400
Telehealth
Yes
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

3,646 INTERNAL MEDICINE in MN

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Provider Addresses for DR. DONALD WALTER THEISEN WESSEL (MD)

  • 8170 33RD AVE S # MS 21110Q

    MINNEAPOLIS, MN 554254516

    Phone:

    Type: Mailing

  • Curve Crest Boulevard, Stillwater, Washington County, Minnesota, 55082, United States

    STILLWATER MEDICAL GROUP

    STILLWATER, MN 550826040

    Phone: (651) 439-1234

    Fax: (651) 275-3325

    Type: Location

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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-03-28

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050328000086IInternal MedicineMNTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36415Insertion of needle into vein for collection of blood sample624277$0
G0008Administration of influenza virus vaccine376375$0
90694Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage346345$0
99214Established patient office or other outpatient visit, 30-39 minutes313207$0
99213Established patient office or other outpatient visit, 20-29 minutes269230$0
View full utilization report →

Insurance plans in this area (ZIP 55425)

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Provider's Procedures

DR. DONALD WALTER THEISEN WESSEL (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMN85610Blood test, clotting time49743
INTERNAL MEDICINEMN90670Pneumococcal vaccine for injection into muscle1616

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: 2769391960View full group profile
NameSpecialtyState
-WI
Nurse PractitionerWI
Family PracticeWI
Registered Dietitian Or Nutrition ProfessionalWI
Internal Medicine, Pediatric MedicineMN
Family PracticeWI
Family PracticeWI
Nurse PractitionerMN
Family PracticeWI
-WI

Reviews

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Frequently asked questions

Is DR. DONALD WALTER THEISEN WESSEL (MD) listed with a National Provider Identifier?
Yes — DR. DONALD WALTER THEISEN WESSEL (MD) has NPI 1538142518 on file in the registry.
Active or inactive — what applies to DR. DONALD WALTER THEISEN WESSEL (MD)?
You should see DR. DONALD WALTER THEISEN WESSEL (MD) as active in CMS-hosted NPPES data.
What area of care is associated with DR. DONALD WALTER THEISEN WESSEL (MD)?
DR. DONALD WALTER THEISEN WESSEL (MD)'s record emphasizes Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is DR. DONALD WALTER THEISEN WESSEL (MD) associated with Minneapolis?
Public fields place DR. DONALD WALTER THEISEN WESSEL (MD) around Minneapolis, Minnesota. Always confirm the exact site before visiting.
Does DR. DONALD WALTER THEISEN WESSEL (MD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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