CARISSA VILLARREAL CRNA
NPI 1477142891
Nurse Anesthetist, Certified Registered in Torrance, CA

Active since January 11, 2021Accepts Medicare Assignment
88.78/100
CMS Quality Rating
4140 W 190TH ST, TORRANCE, CA 90504(310) 967-1889 Get Directions Write a Review

NPPES record last updated: January 11, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Carissa Villarreal Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARISSA VILLARREAL CRNA (NPI 1477142891) is an individual nurse anesthetist, certified registered in Torrance, California, licensed in California (134798) and active in the NPI registry since January 2021. She is a graduate of Other (2020).

NPPES Registry Identity

NPI1477142891
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameCARISSA VILLARREALCredential: CRNA
Location Address4140 W 190TH STTorrance, CA 90504-5513
Mailing Address62 Sunflower StRedlands, CA 92373-4211
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJanuary 11, 2021
NPPES CertifiedJanuary 11, 2021
✔ NPI 1477142891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 134798
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
4140 W 190TH ST, Torrance, CA 90504

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carissa Villarreal Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638584923
PECOS Enrollment IDI20210218002291

Medicare Billing Reassignments

3

Medicare enrollment records show Carissa Villarreal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Licensed Practical Nurse
50 N LA CIENEGA BLVD, SUITE 203
Beverly Hills, CA 90211
  • Reassigned Medicare billing, California enrollment
  • 88 clinicians in this Medicare group
Anesthesiology
9090 WILSHIRE BLVD STE 101
Beverly Hills, CA 90211
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
Specialist
450 N ROXBURY DRIVE, SUITE 240
Beverly Hills, CA 90210
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
33 services33 patients
Anesthesia for other procedure on lower leg, ankle, and foot bones 01480
Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.
18 services18 patients
Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938
This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.
16 services14 patients
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.31
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
4140 W 190TH ST
TORRANCE, CA 90504

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carissa Villarreal's NPI number?

The NPI number for Carissa Villarreal is 1477142891. It was assigned to this individual provider in the NPPES registry on January 11, 2021.

Where is Carissa Villarreal located?

Carissa Villarreal practices at 4140 W 190th St, Torrance, CA 90504. The listed phone number is (310) 967-1889.

What is Carissa Villarreal's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Carissa Villarreal enrolled in Medicare?

Yes. Carissa Villarreal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carissa Villarreal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carissa Villarreal reassigns Medicare benefits to 3 organizations: Tip Top Anesthesia Group Inc (Beverly Hills, CA), Tower Anesthesia Associates Inc (Beverly Hills, CA) and Precision Anesthesia Group Inc (Beverly Hills, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carissa Villarreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carissa Villarreal was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.