Jonathon Villarreal, PA-C
NPI 1013645381 · Physician Assistant · Monterey, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathon Villarreal, PA-C is a Physician Assistant provider in Monterey, CA (NPI 1013645381).
Provider details
- NPI number
- 1013645381
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA61504 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
661 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 403 | $68 |
| Automated Urinalysis Test81003 | 51 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 49 | $50 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 31 | $65 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 31 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 58 | 53 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 54 | 34 |
| Meloxicam | 36 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 26 |
| Fluticasone Propionate | 26 | 19 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 20 | 20 |
| Cephalexin | 18 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 24 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-08-12
- Last updated
- 2026-04-01
- Certified
- 2026-04-01
Frequently asked questions
- What is Jonathon Villarreal's NPI number?
- Jonathon Villarreal's National Provider Identifier (NPI) is 1013645381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathon Villarreal's specialty?
- Jonathon Villarreal is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jonathon Villarreal located?
- Jonathon Villarreal's practice location on file with NPPES is 5 Lower Ragsdale Dr Ste 100, Monterey, CA 93940-5817.
- What is Jonathon Villarreal's phone number?
- The practice phone number listed in the NPPES registry for Jonathon Villarreal is (831) 624-7070.
- Does Jonathon Villarreal accept Medicare?
- Jonathon Villarreal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathon Villarreal's NPI active?
- Yes — Jonathon Villarreal's NPI (1013645381) is active in the NPPES registry as of the last update on 2026-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.