Quick answers
- Where does Jonathan C. Karsten see patients?
- Medicare's clinician data lists 2 practice locations, including Wheat Ridge, CO and Denver, CO. Call before your visit to confirm the address.
- What is Jonathan C. Karsten's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jonathan C. Karsten accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan C. Karsten accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jonathan C. Karsten?
- (303) 456-4882, as listed in official Medicare / NPI Registry data.
- What is Jonathan C. Karsten's NPI number?
- 1639187966. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jonathan C. Karsten is enrolled with Medicare (CMS data updated 2026-10-02).
- 10160 W 50th Ave, Unit 4Wheat Ridge, CO 80033 (303) 456‑4882
- 2925 E Colfax AveDenver, CO 80206 (303) 209‑5115
Group practices
Medicare enrollment lists Jonathan C. Karsten as a member of this group (CMS data updated 2026-10-02).
- Magnolia Medical Company24 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wheat Ridge
Clinicians with the same Medicare primary specialty in Wheat Ridge, CO — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639187966 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians