1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Nurse Practitioner
  6. NPI Profile

REBECCA LORETO NP
NPI 1639762644
Nurse Practitioner in Los Angeles, CA

Active since February 19, 2021PECOS Enrolled
6041 CADILLAC AVE, LOS ANGELES, CA 90034(323) 857-2000 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 4, 2025, Oct 27, 2023, Oct 20, 2023 and 2 more (5 updates tracked since 2021).

About Rebecca Loreto Np NPPES

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

REBECCA LORETO NP (NPI 1639762644) is an individual nurse practitioner in Los Angeles, California, licensed in California (95016095) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and maintains 31 additional practice locations.

NPPES Registry Identity

NPI1639762644
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameREBECCA LORETOCredential: NP
Location Address6041 CADILLAC AVELos Angeles, CA 90034-1702
Mailing Address80 S Sunnyslope Ave Apt 103Pasadena, CA 91107-4361
Phone(323) 857-2000
Sole ProprietorYes
Enumeration DateFebruary 19, 2021
Last NPPES UpdateSeptember 4, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
✔ NPI 1639762644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95016095
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
6041 CADILLAC AVE, Los Angeles, CA 90034
Open in Google Maps ↗

Secondary Practice Locations 31

Location 17301 Medical Ctr Ste 300West Hills, CA 91307-1973 · Phone (888) 777-1945
Location 25700 Ralston St Ste 110Ventura, CA 93003-7889 · Phone (888) 777-1945
Location 318145 US Highway 18 Ste CApple Valley, CA 92307-2210 · Phone (888) 777-1945
Location 411306 Mountain View Ave Ste BLoma Linda, CA 92354-3832 · Phone (888) 777-1945
Location 52121 Wilshire Blvd Ste 303Santa Monica, CA 90403-5743 · Phone (888) 777-1945
Location 624012 Calle De La Plata Ste 230Laguna Hills, CA 92653-7623 · Phone (888) 777-1945
Location 71104 Buchanan Rd Ste B5Antioch, CA 94509-4233 · Phone (888) 777-1945
Location 8625 Citracado Pkwy Ste 204Escondido, CA 92025-6428 · Phone (888) 777-1945
Location 91125 E Spruce Ave Ste 201Fresno, CA 93720-3390 · Phone (888) 777-1945
Location 1023456 Hawthorne Blvd Ste 140Torrance, CA 90505-4716 · Phone (888) 777-1945
Location 11440 N Mountain Ave Ste 103Upland, CA 91786-5183 · Phone (888) 777-1945
Location 1279440 Corporate Center Dr Ste 101LA Quinta, CA 92253-7243 · Phone (888) 777-1945
Location 134520 Executive Dr Ste 227San Diego, CA 92121-3020 · Phone (888) 777-1945
Location 1427555 Ynez Rd Ste 370Temecula, CA 92591-4678 · Phone (888) 777-1945
Location 152720 N Harbor Blvd Ste 200Fullerton, CA 92835-2626 · Phone (888) 777-1945
Location 166485 Day St Ste 302Riverside, CA 92507-0926 · Phone (888) 777-1945
Location 17117 E 8th St # 100Long Beach, CA 90813-4397 · Phone (888) 777-1945
Location 183300 Webster St Ste 900Oakland, CA 94609-3156 · Phone (888) 777-1945
Location 191400 Reynolds Ave # 201202Irvine, CA 92614-5559 · Phone (888) 777-1945
Location 209033 Wilshire Blvd Ste 401Beverly Hills, CA 90211-1847 · Phone (888) 777-1945
Location 2111160 Warner Ave Ste 421Fountain Valley, CA 92708-4056 · Phone (888) 777-1945
Location 22333 University Ave Ste 140Sacramento, CA 95825-6535 · Phone (888) 777-1945
Location 238881 Fletcher Pkwy Ste 385LA Mesa, CA 91942-6106 · Phone (888) 777-1945
Location 241981 N Broadway Ste 190Walnut Creek, CA 94596-3671 · Phone (888) 777-1945
Location 258339 Brimhall Rd Ste 1301Bakersfield, CA 93312-4088 · Phone (888) 777-1945
Location 265620 Wilbur Ave Ste 310Tarzana, CA 91356-1371 · Phone (888) 777-1945
Location 2724355 Lyons Ave Ste 211Santa Clarita, CA 91321-2382 · Phone (888) 777-1945
Location 2850 Alessandro Pl Ste 130Pasadena, CA 91105-4009 · Phone (888) 777-1945
Location 2977 Rolling Oaks Dr Ste 201Thousand Oaks, CA 91361-1018 · Phone (888) 777-1945
Location 30501 N Central AveGlendale, CA 91203-1901 · Phone (888) 777-1945
Location 312701 W Alameda Ave Ste 507Burbank, CA 91505-4410 · Phone (888) 777-1945

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rebecca Loreto Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Rebecca Loreto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
6041 CADILLAC AVE
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242563 (323) 857-2000
Infusion4health
30 mi
Infusion Therapy
77 ROLLING OAKS DR STE 201
Thousand Oaks, CA 91361
  • Reassigned Medicare billing, California enrollment
  • 72 clinicians in this Medicare group
NPI 1508262213 (805) 719-3700

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90034 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

BENJAMIN M KALKIN SP
Speech-Language Pathologist
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
JACQUELINE A RICE CNM
Advanced Practice Midwife
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
DR. LINDA FONG M.D.
Internal Medicine (Cardiovascular Disease)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3290
LINDA HAN PHARM.D.
Pharmacist
6041 CADILLAC AVE, KAISER WEST LOS ANGELES MEDICAL CENTER
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3989
BRYAN HERNANDEZ MD
Internal Medicine
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (310) 666-6055
ALLAN CHEN MD
Internal Medicine
6041 CADILLAC AVE, INTERNAL MEDICINE MODULE 2D
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3303
JOSEPHINE JUI-YU CHIU MD
Internal Medicine (Nephrology)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
LICERIO V. CASTRO JR. MD
Anesthesiology
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000

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 Rebecca Loreto's NPI number?

The NPI number for Rebecca Loreto is 1639762644. It was assigned to this individual provider in the NPPES registry on February 19, 2021.

Where is Rebecca Loreto located?

Rebecca Loreto practices at 6041 Cadillac Ave, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.

What is Rebecca Loreto's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Rebecca Loreto enrolled in Medicare?

Yes. Rebecca Loreto is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rebecca Loreto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Loreto reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Los Angeles, CA) and Infusion4health (Thousand Oaks, 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 Rebecca Loreto'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 Rebecca Loreto was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.