Theresia Onyango
NPI 1720884612 · Psychiatric/Mental Health Nurse Practitioner · Folsom, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresia Onyango is a Psychiatric/Mental Health Nurse Practitioner provider in Folsom, CA (NPI 1720884612).
Provider details
- NPI number
- 1720884612
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95032223 (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
25 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 (24)
- 1101 Maidu DrAuburn, CA 95603-5864Phone: (916) 351-9400
- 5441 Aldrin Ct Ste aBakersfield, CA 93313-2194Phone: (916) 351-9400
- 2062 Talbert Dr Ste 100Chico, CA 95928-7718Phone: (916) 351-9400
- 1245 W 6th StCorona, CA 92882-1870Phone: (916) 351-9400
- 2345 Fletcher PkwyEl Cajon, CA 92020-2134Phone: (916) 351-9400
- 9381 E Stockton Blvd Ste 220Elk Grove, CA 95624-5070Phone: (916) 351-9400
- 15720 Ventura Blvd Ste 210Encino, CA 91436-2954Phone: (916) 351-9400
- 622 Jackson St Unit 103Fairfield, CA 94533-6195Phone: (916) 351-9400
- 44240 Fremont BlvdFremont, CA 94538-6000Phone: (916) 351-9400
Registry dates
- Enumerated
- 2025-02-20
- Last updated
- 2026-03-19
- Certified
- 2026-03-19
Frequently asked questions
- What is Theresia Onyango's NPI number?
- Theresia Onyango's National Provider Identifier (NPI) is 1720884612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresia Onyango's specialty?
- Theresia Onyango is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresia Onyango located?
- Theresia Onyango's practice location on file with NPPES is 510 Plaza Dr Ste 170, Folsom, CA 95630-4790.
- What is Theresia Onyango's phone number?
- The practice phone number listed in the NPPES registry for Theresia Onyango is (877) 272-5818.
- Does Theresia Onyango accept Medicare?
- Theresia Onyango is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresia Onyango's NPI active?
- Yes — Theresia Onyango's NPI (1720884612) is active in the NPPES registry as of the last update on 2026-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.