ALYSSA T WATANABE MD
NPI 1780660472
Radiology - Neuroradiology in Los Angeles, CA
About Alyssa T Watanabe Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA T WATANABE MD (NPI 1780660472) is an individual neuroradiology provider in Los Angeles, California, licensed in California (G63862) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Alyssa T Watanabe Md 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.
Medicare Billing Reassignments
8Medicare enrollment records show Alyssa Watanabe reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Cudahy, CA 90201
- Reassigned Medicare billing, California enrollment
- 279 clinicians in this Medicare group
Beverly Hills, CA 90210
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 311 clinicians in this Medicare group
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 372 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 329 clinicians in this Medicare group
Newport Beach, CA 92660
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Santa Clara, CA 95050
- Reassigned Medicare billing, California enrollment
- 3 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 6
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.
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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Alyssa Watanabe's NPI number?
The NPI number for Alyssa Watanabe is 1780660472. It was assigned to this individual provider in the NPPES registry on December 15, 2005. The provider is also known as Alyssa T Watanabe Look MD.
Where is Alyssa Watanabe located?
Alyssa Watanabe practices at 1500 San Pablo St Fl 2, Los Angeles, CA 90033. The listed phone number is (323) 442-8541.
What is Alyssa Watanabe's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.
Is Alyssa Watanabe enrolled in Medicare?
Yes. Alyssa Watanabe 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 Alyssa Watanabe's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Watanabe reassigns Medicare benefits to 8 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Prohealth Partners A Medical Group (Cudahy, CA), Bedford Breast Center, Inc (Beverly Hills, CA), Pronet Imaging Medical Group, Inc. (Los Angeles, CA), Beverly Radiology Medical Group III (Los Angeles, CA) and 3 more organizations, listed in the Medicare section above. 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 Alyssa Watanabe'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 Alyssa Watanabe was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Alyssa T Watanabe, MD · NPI 1780660472
Neuroradiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since December 15, 2005.
## Identity
- **NPI:** 1780660472 (Entity type: Individual)
- **Enumerated:** December 15, 2005
- **Primary specialty:** Radiology - Neuroradiology · taxonomy 2085N0700X
- **State license:** G63862 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST FL 2, Los Angeles, CA 90033-5313
- **Phone:** (323) 442-8541
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Prohealth Partners A Medical Group (NPI 1922495076, Cudahy, CA); Bedford Breast Center, Inc (NPI 1760878367, Beverly Hills, CA); Pronet Imaging Medical Group, Inc. (NPI 1528099488, Los Angeles, CA); Beverly Radiology Medical Group III (NPI 1962457812, Los Angeles, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1780660472) · Data from the CMS NPPES public registry.