Mark Wiche, DO
NPI 1811636038 · Internal Medicine Physician · Fargo, ND
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wiche, DO is a Internal Medicine Physician provider in Fargo, ND (NPI 1811636038).
Provider details
- NPI number
- 1811636038
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- RL18524 (ND)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 48 | 12 |
| Atorvastatin Calcium | 42 | 13 |
| Lisinopril | 42 | 12 |
| Trazodone Hcl | 38 | — |
| Gabapentin | 38 | — |
| Apixabanbrand: Eliquis | 34 | — |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-04
- Last updated
- 2022-06-04
- Certified
- 2022-06-01
Frequently asked questions
- What is Mark Wiche's NPI number?
- Mark Wiche's National Provider Identifier (NPI) is 1811636038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wiche's specialty?
- Mark Wiche is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wiche located?
- Mark Wiche's practice location on file with NPPES is 5225 23rd Ave S, Fargo, ND 58104-7927.
- What is Mark Wiche's phone number?
- The practice phone number listed in the NPPES registry for Mark Wiche is (701) 234-5933.
- Does Mark Wiche accept Medicare?
- Mark Wiche is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wiche's NPI active?
- Yes — Mark Wiche's NPI (1811636038) is active in the NPPES registry as of the last update on 2022-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.