Doctor profile · Federal record

Dr. Alyssa Watanabe, MD

Neuroradiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Los Angeles, CA

  • NPI 1780660472
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 San Pablo St Fl 2
Los Angeles, CA 900335313
(323) 442-8541
Mailing address
Po Box 31399
Los Angeles, CA 900310399

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
November 29, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2085N0700X — NUCC code
State license (1)
California #G63862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780660472. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13,769
Distinct HCPCS
10
Medicare allowed
$155,227
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 11,200 61 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,400 13 $0
77067 Screening mammography 275 275 $147
71046 X-ray of chest, 2 views 107 107 $39
72148 Mri scan of lower spinal canal without contrast 85 84 $222
77063 Screening 3d breast mammography 72 72 $59
72141 Mri scan of upper spinal canal without contrast 51 51 $202
70551 Mri scan of brain without contrast 49 49 $234
73721 Mri scan of leg joint without contrast 46 41 $230
72100 X-ray of lower and sacral spine, 2-3 views 45 44 $44

In context: peer comparison

Among 9 peers in Los Angeles Neuroradiology Physician, average services per provider: 450. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$117
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $116.65

By nature of payment

Food and Beverage
$117

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Watanabe's medical specialty?
Dr. Alyssa Watanabe practices Neuroradiology Physician in Los Angeles, CA.
Where does Dr. Alyssa Watanabe practice?
Dr. Alyssa Watanabe practices at 1500 San Pablo St Fl 2, Los Angeles, CA 900335313. Office phone: 3234428541.
What is Dr. Alyssa Watanabe's NPI?
Dr. Alyssa Watanabe's National Provider Identifier (NPI) is 1780660472, issued by NPPES.
Does Dr. Alyssa Watanabe accept Medicare assignment?
Yes. Dr. Alyssa Watanabe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Watanabe commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.