Doctor profile · Federal record

Dr. Yuichiro Hayashi, MD

Pain Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Anesthesiology Physician · Anesthesiology Physician · Pain Medicine (Anesthesiology) Physician · Student in an Organized Health Care Education/Training Program · Los Angeles, CA

  • NPI 1225471048
  • Accepts Medicare
  • MIPS 93.2 / 100 · 2023
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
757 Westwood Plz Ste 3325
Los Angeles, CA 900958358
(310) 267-8628
fax (310) 267-3899
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
August 8, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State licenses (2)
California #A134873 · Nevada #18013

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225471048. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
353
Distinct HCPCS
7
Medicare allowed
$45,603
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 170 97 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 65 51 $93
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $169
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $114
72110 X-ray of lower and sacral spine, minimum of 4 views 14 14 $52
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 13 13 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 13 13 $196

In context: peer comparison

Among 11 peers in Los Angeles Pain Medicine (Anesthesiology) Physician, average services per provider: 234. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$251
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $160.01
Biotronik Nro, INC. 1 $36.82
Avanos Medical 1 $18.76
Abbott Laboratories 1 $18.64
Nalu Medical, INC. 1 $17.00

By nature of payment

Food and Beverage
$251

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
275
Patients
94
Total drug cost
$4,977
Drug Type Claims Patients Total cost
Gabapentin Generic 82 32 $1,235
Pregabalin Generic 53 19 $1,937
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 42 23 $619
Meloxicam Generic 25 20 $64
Tramadol Hcl Generic 24 0 $164
Tizanidine Hcl Generic 18 0 $146
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 0 $252
Diclofenac Sodium Generic 14 0 $558

Frequently asked questions

Auto-generated from federal data
What is Dr. Yuichiro Hayashi's medical specialty?
Dr. Yuichiro Hayashi practices Pain Medicine (Anesthesiology) Physician in Los Angeles, CA.
Where does Dr. Yuichiro Hayashi practice?
Dr. Yuichiro Hayashi practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 900958358. Office phone: 3102678628.
What is Dr. Yuichiro Hayashi's NPI?
Dr. Yuichiro Hayashi's National Provider Identifier (NPI) is 1225471048, issued by NPPES.
Does Dr. Yuichiro Hayashi accept Medicare assignment?
Yes. Dr. Yuichiro Hayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yuichiro Hayashi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.