Mark Nelson, MD
NPI 1396972279 · Internal Medicine Physician · Ann Arbor, MI
Provider details
- NPI number
- 1396972279
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 51124 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 98 | 28 |
| Amlodipine Besylate | 93 | 25 |
| Levothyroxine Sodium | 73 | 22 |
| Lisinopril | 41 | 12 |
| Rosuvastatin Calcium | 40 | 11 |
| Hydrochlorothiazide | 37 | 12 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 1960 N Ogden St Ste 120Denver, CO 80218Phone: (303) 318-3840Fax: (303) 812-5163
Registry dates
- Enumerated
- 2009-06-17
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.