Quick answers
- Does Wilma A. Parnaso accept Medicare assignment?
- Yes. Medicare's clinician data says Wilma A. Parnaso 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 Wilma A. Parnaso see?
- In 2024, CMS data shows 42 Original Medicare patients and 82 services for Wilma A. Parnaso. This counts Original Medicare only and measures volume, not quality.
- What is Wilma A. Parnaso's NPI number?
- 1073230793. 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 Wilma A. Parnaso, 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 | 42 |
|---|---|
| Services billed to Medicare | 82 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)22 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 cholesterol64%
- High blood pressure55%
- Arthritis36%
- Diabetes33%
Practice locations
Addresses where Wilma A. Parnaso is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1255 Travis BlvdFairfield, CA 94533 (800) 973‑1540
- 1305 Stratford AveDixon, CA 95620 (707) 646‑5500
- 1320 Travis Blvd, CFairfield, CA 94533 (707) 646‑4000
- 1320 Travis Blvd, Suite CFairfield, CA 94533 (707) 646‑4000
- 1679 E Monte Vista Ave, Suite 104Vacaville, CA 95688 (707) 624‑7400
Group practices
Medicare enrollment lists Wilma A. Parnaso as a member of these groups (CMS data updated October 2, 2026).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- NorthBay Health Medical Foundation213 clinicians in the group
- SNF Specialists Medical Corporation28 clinicians in the group
- Parkhill Health Inc13 clinicians in the group
- California Wound and Hyperbaric Specialists Inc5 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CA — not a recommendation.
Other clinicians in NorthBay Physicians Surgery Center, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073230793 |
| 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