Quick answers
- Does Clarence J. Vastine accept Medicare assignment?
- Yes. Medicare's clinician data says Clarence J. Vastine 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 Clarence J. Vastine see?
- In 2024, CMS data shows 222 Original Medicare patients and 1,116 services for Clarence J. Vastine. This counts Original Medicare only and measures volume, not quality.
- What is Clarence J. Vastine's NPI number?
- 1902121379. 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 Clarence J. Vastine, 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 | 222 |
|---|---|
| Services billed to Medicare | 1,116 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)254 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)149 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)132 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)85 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)65 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 blood pressure74%
- High cholesterol74%
- Arthritis49%
- Diabetes32%
- Chronic kidney disease28%
- Ischemic heart disease26%
Practice locations
Addresses where Clarence J. Vastine is enrolled with Medicare (CMS data updated October 2, 2026).
- 13555 W McDowell Rd, Suite 103Goodyear, AZ 85395 (623) 512‑4390
- 2971 Willow Creek Rd, Bldg 3 and 4Prescott, AZ 86301 (928) 277‑8088
Group practices
Medicare enrollment lists Clarence J. Vastine as a member of this group (CMS data updated October 2, 2026).
- Privia Medical Group Arizona, LLC91 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Goodyear
Clinicians with the same Medicare primary specialty in Goodyear, AZ — not a recommendation.
Other clinicians in Privia Medical Group Arizona, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902121379 |
| 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