Ronald James Vergara
NPI 1265257026 · Psychiatric/Mental Health Nurse Practitioner · Vacaville, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald James Vergara is a Psychiatric/Mental Health Nurse Practitioner provider in Vacaville, CA (NPI 1265257026).
Provider details
- NPI number
- 1265257026
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95033008 (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 tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 methodology.
Practice location
Mailing address
Additional practice locations (1)
- 275 Beck AveFairfield, CA 94533-6804Phone: (800) 547-0495
Registry dates
- Enumerated
- 2024-11-18
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Ronald James Vergara's NPI number?
- Ronald James Vergara's National Provider Identifier (NPI) is 1265257026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald James Vergara's specialty?
- Ronald James Vergara is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ronald James Vergara located?
- Ronald James Vergara's practice location on file with NPPES is 941 Merchant St Ste a, Vacaville, CA 95688-5315.
- What is Ronald James Vergara's phone number?
- The practice phone number listed in the NPPES registry for Ronald James Vergara is (707) 234-5224.
- Does Ronald James Vergara accept Medicare?
- Ronald James Vergara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald James Vergara's NPI active?
- Yes — Ronald James Vergara's NPI (1265257026) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.