Carissa Villarreal, CRNA
NPI 1477142891 · Certified Registered Nurse Anesthetist · Torrance, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carissa Villarreal, CRNA is a Certified Registered Nurse Anesthetist provider in Torrance, CA (NPI 1477142891).
Provider details
- NPI number
- 1477142891
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 134798 (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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
81 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 33 | $144 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 18 | $182 |
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 16 | $107 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 14 | $130 |
Typical Medicare-allowed amounts for these services range $107–$182 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-11
- Last updated
- 2021-01-11
- Certified
- 2021-01-11
Frequently asked questions
- What is Carissa Villarreal's NPI number?
- Carissa Villarreal's National Provider Identifier (NPI) is 1477142891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carissa Villarreal's specialty?
- Carissa Villarreal is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carissa Villarreal located?
- Carissa Villarreal's practice location on file with NPPES is 4140 W 190th St, Torrance, CA 90504-5513.
- What is Carissa Villarreal's phone number?
- The practice phone number listed in the NPPES registry for Carissa Villarreal is (310) 967-1889.
- Does Carissa Villarreal accept Medicare?
- Carissa Villarreal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carissa Villarreal's NPI active?
- Yes — Carissa Villarreal's NPI (1477142891) is active in the NPPES registry as of the last update on 2021-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.