Quick answers
- Does Gregg G. Martyak accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg G. Martyak 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 Gregg G. Martyak see?
- In 2024, CMS data shows 264 Original Medicare patients and 1,529 services for Gregg G. Martyak. This counts Original Medicare only and measures volume, not quality.
- What is Gregg G. Martyak's NPI number?
- 1558565044. 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 Gregg G. Martyak, 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 | 264 |
|---|---|
| Services billed to Medicare | 1,529 |
| Different services or procedures | 77 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)569 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)150 services
- X-ray of wrist, minimum of 3 views (73110)58 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)57 services
- Injection into tendon or ligament (20550)50 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).
- High cholesterol74%
- Arthritis73%
- High blood pressure66%
- Diabetes24%
- Depression20%
- Ischemic heart disease19%
Hospitals where Gregg G. Martyak works
Medicare's Facility Affiliation Data lists Gregg G. Martyak at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Centura Health-Penrose St Francis Health ServicesColorado Springs, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060031
- Eastern Rio Blanco County Health Service DistrictMeeker, CO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 061325
Practice locations
Addresses where Gregg G. Martyak is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Pioneers Medical Ctr DrMeeker, CO 81641 (970) 878‑5047
- 1263 Lake Plaza Dr, Suite 210Colorado Springs, CO 80906 (719) 623‑1050
- 1411 S Potomac St, 350 Coc Arapahoe Sports Medicine and RehabAurora, CO 80012 (303) 695‑6060
- 2430 Research PkwyColorado Springs, CO 80920
- 2446 Research Pkwy, Suite 200Colorado Springs, CO 80920 (719) 623‑1050
Group practices
Medicare enrollment lists Gregg G. Martyak as a member of these groups (CMS data updated October 2, 2026).
- Orthopedic Centers of Colorado LLC324 clinicians in the group
- Eastern Rio Blanco County Health Service District40 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Meeker
Clinicians with the same Medicare primary specialty in Meeker, CO — not a recommendation.
Other clinicians in Orthopedic Centers of Colorado LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558565044 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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