Internal Medicine in Frisco, CO
14 active Internal Medicine providers practice in Frisco, Colorado according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1578532511 | David Biggs | Individual | Hematology & Oncology Physician | Frisco, CO |
| 1902006356 | Katarina Nelson | Individual | Cardiovascular Disease Physician | Frisco, CO |
| 1639171440 | Marc Shiffman | Individual | Internal Medicine Physician | Frisco, CO |
| 1346226602 | Mark A Norden M.D.,PC | Organization | Internal Medicine Physician | Frisco, CO |
| 1881670131 | Mark Norden | Individual | Internal Medicine Physician | Frisco, CO |
| 1760464531 | Melvin Stjernholm | Individual | Endocrinology, Diabetes & Metabolism Physician | Frisco, CO |
| 1962400341 | Peter Lemis | Individual | Cardiovascular Disease Physician | Frisco, CO |
Frequently asked questions
How many Internal Medicine providers are in Frisco, CO?
The latest NPPES snapshot lists 14 active Internal Medicine providers with a practice address in Frisco, Colorado.
How do I check a Internal Medicine provider's NPI in Frisco?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.