Quick answers
- Does Gregg Zaporzan accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg Zaporzan 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 Zaporzan see?
- In 2024, CMS data shows 284 Original Medicare patients and 5,759 services for Gregg Zaporzan. This counts Original Medicare only and measures volume, not quality.
- What is Gregg Zaporzan's NPI number?
- 1407927080. 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 Zaporzan, 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 | 284 |
|---|---|
| Services billed to Medicare | 5,759 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)4,880 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)266 services
- Replacement of knee joint, both sides of knee (27447)167 services
- Aspiration and/or injection of fluid from large joint (20610)104 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)95 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 blood pressure72%
- High cholesterol65%
- Diabetes25%
- Ischemic heart disease25%
- Depression17%
Hospitals where Gregg Zaporzan works
Medicare's Facility Affiliation Data lists Gregg Zaporzan 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.
- Alaska Regional HospitalAnchorage, AK · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 020017
- Providence Alaska Medical CenterAnchorage, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020001
Practice locations
Addresses where Gregg Zaporzan is enrolled with Medicare (CMS data updated October 2, 2026).
- 12350 Industry Way, Suite 110Anchorage, AK 99515 (907) 563‑3145
- 3122 E Meridian Park LoopWasilla, AK 99654 (907) 357‑9590
- 4100 Lake Otis PkwyAnchorage, AK 99508 (907) 563‑3145
Group practices
Medicare enrollment lists Gregg Zaporzan as a member of these groups (CMS data updated October 2, 2026).
- Medical Network of Alaska LLC70 clinicians in the group
- Anchorage Fracture and Orthopaedic Clinic PC37 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Anchorage
Clinicians with the same Medicare primary specialty in Anchorage, AK — not a recommendation.
Other clinicians in Medical Network of Alaska LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407927080 |
| 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