Physician Profile
Alyssa T. Watanabe, MD
Unclaimed ProfileAbout Dr. Watanabe
Alyssa T. Watanabe, MD practices nuclear medicine in Los Angeles, CA. Alyssa is a 1987 graduate of University of California, San Francisco School of Medicine. Alyssa is also listed as specializing in diagnostic radiology. According to Medicare claims data, Alyssa cared for 423 Medicare patients across 423 services. The services billed most often include screening mammography, screening 3d breast mammography, and diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (323) 442-8541
- Email not available
Practice Locations
1500 SAN PABLO ST FL 2
Los Angeles, CA 90033
Procedures Most Often Billed to Medicare
423 services · 423 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
263 | More often than most peers in Nuclear Medicine |
| Screening 3d breast mammography | Imaging | 77063 |
76 | Less often than most peers in Nuclear Medicine |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
20 | Too few peers to compare |
| Diagnostic mammography of both breasts | Imaging | 77066 |
19 | Less often than most peers in Nuclear Medicine |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
13 | Less often than most peers in Nuclear Medicine |
| Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | Billing code | G0279 |
32 | Less often than most peers in Nuclear Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nuclear medicines in Los Angeles 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Watanabe?
Dr. Watanabe is a nuclear medicine in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Watanabe's address?
Dr. Watanabe is listed at 1500 San Pablo St Fl 2, Los Angeles, CA 90033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Watanabe?
The number on file is (323) 442-8541. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Watanabe's NPI number?
Dr. Watanabe's National Provider Identifier is 1780660472. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Watanabe train?
Dr. Watanabe attended University of California, San Francisco School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Watanabe been practicing?
Dr. Watanabe has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Watanabe perform?
According to Medicare billing data, Dr. Watanabe performs imaging including screening mammography and screening 3d breast mammography. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Watanabe confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Watanabe. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.