Doctor profile · Federal record

Dr. Tomonao Hashimoto, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Los Angeles, CA

  • NPI 1164918975
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 UCLA Medical Plz Ste 365A
Los Angeles, CA 900958344
(310) 206-8272
fax (310) 794-2113
Additional location
10945 le Conte Ave Ste 2339
Los Angeles, CA 900951687
(310) 825-8253
fax (310) 794-2199
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
October 1, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
California #A174049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164918975. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
211
Distinct HCPCS
3
Medicare allowed
$17,903
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 151 43 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $128
99238 Hospital discharge day management, 30 minutes or less 29 27 $78

In context: peer comparison

Among 21 peers in Los Angeles Geriatric Medicine (Internal Medicine) Physician, average services per provider: 172. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
587
Patients
116
Total drug cost
$10,059
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 81 26 $2,437
Duloxetine Hcl Generic 72 0 $1,607
Atorvastatin Calcium Generic 57 30 $764
Clonazepam Generic 40 0 $287
Metoprolol Succinate Generic 37 13 $441
Gabapentin Generic 36 17 $898
Amlodipine Besylate Generic 35 19 $463
Lisinopril Generic 35 0 $404
Famotidine Generic 33 0 $267
Rosuvastatin Calcium Generic 33 0 $904

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tomonao Hashimoto's medical specialty?
Dr. Tomonao Hashimoto practices Geriatric Medicine (Internal Medicine) Physician in Los Angeles, CA.
Where does Dr. Tomonao Hashimoto practice?
Dr. Tomonao Hashimoto practices at 200 UCLA Medical Plz Ste 365A, Los Angeles, CA 900958344. Office phone: 3102068272.
What is Dr. Tomonao Hashimoto's NPI?
Dr. Tomonao Hashimoto's National Provider Identifier (NPI) is 1164918975, issued by NPPES.
Does Dr. Tomonao Hashimoto accept Medicare assignment?
Yes. Dr. Tomonao Hashimoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tomonao Hashimoto commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.