Quick answers
- Does Gregory R. Billings accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory R. Billings 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 Gregory R. Billings see?
- In 2024, CMS data shows 244 Original Medicare patients and 825 services for Gregory R. Billings. This counts Original Medicare only and measures volume, not quality.
- What is Gregory R. Billings's NPI number?
- 1598340044. 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 Gregory R. Billings, 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 | 244 |
|---|---|
| Services billed to Medicare | 825 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)138 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)135 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)108 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)34 services
- Blood test, comprehensive group of blood chemicals (80053)32 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 cholesterol75%
- High blood pressure74%
- Arthritis59%
- Chronic kidney disease41%
- Depression32%
- Diabetes30%
Hospitals where Gregory R. Billings works
Medicare's Facility Affiliation Data lists Gregory R. Billings 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.
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030014
- HonorHealth Scottsdale Osborn Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030038
- HonorHealth Scottsdale Shea Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030087
- HonorHealth Scottsdale Thompson Peak Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030123
Practice locations
Addresses where Gregory R. Billings is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 10230 W Happy Valley Pkwy, Suite 300Peoria, AZ 85383 (480) 962‑0071
- 10238 E Hampton Ave, Suite 205Mesa, AZ 85209 (480) 587‑6520
- 10510 N 92nd StScottsdale, AZ 85258
- 1255 W Rio Salado Pkwy, Suite 107Tempe, AZ 85281 (480) 962‑0071
- 14541 W Indian School Rd, Suite 600Goodyear, AZ 85395 (888) 698‑6727
Group practices
Medicare enrollment lists Gregory R. Billings as a member of these groups (CMS data updated October 2, 2026).
- HonorHealth Ambulatory630 clinicians in the group
- Summit Medical Group Arizona LLC158 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Peoria
Clinicians with the same Medicare primary specialty in Peoria, AZ — not a recommendation.
Other clinicians in HonorHealth Ambulatory
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Univeristy Of Texas Rio Grande Valley Med School |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598340044 |
| 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