Quick answers
- Does Fredric Zimmerman accept Medicare assignment?
- Yes. Medicare's clinician data says Fredric Zimmerman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Fredric Zimmerman see?
- In 2024, CMS data shows 52 Original Medicare patients and 387 services for Fredric Zimmerman. This counts Original Medicare only and measures volume, not quality.
- What is Fredric Zimmerman's NPI number?
- 1851322218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Fredric Zimmerman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 52 |
|---|---|
| Services billed to Medicare | 387 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)78 services
- Injection of trigger points, 3 or more muscles (20553)23 services
- Injection, bupivicaine, not otherwise specified, 0.5 mg (J0665)19 services
- Aspiration and/or injection of fluid from large joint (20610)16 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Arthritis75%
- High cholesterol71%
- High blood pressure60%
- Depression38%
- Chronic kidney disease35%
- Diabetes27%
Practice locations
Addresses where Fredric Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 Indiana St, Suite 340Golden, CO 80401 (720) 452‑1267
- 7447 E Berry Ave, Suite 150Greenwood Village, CO 80111 (303) 781‑2500
Group practices
Medicare enrollment lists Fredric Zimmerman as a member of these groups (CMS data updated October 2, 2026).
- Select Physical Therapy of West Denver Limited Partnership548 clinicians in the group
- Colorado Pain and Rehabilitation LLC2 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Colorado →
Other rehabilitation doctors in Golden
Clinicians with the same Medicare primary specialty in Golden, CO — not a recommendation.
Other clinicians in Select Physical Therapy of West Denver Limited Partnership
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851322218 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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