Doctor profile · Federal record

Dr. Gail Ishiyama, MD

Neurology Physician (CMS: Neurology) · Surgery Physician · Los Angeles, CA

  • NPI 1639194038
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Medical Plaza, #B200
Los Angeles, CA 90095
(310) 794-1195
fax (310) 794-7491
Mailing address
5767 W Century Blvd, Suite 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 17, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #G80933
Medicaid
CA #00G809330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639194038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,428
Distinct HCPCS
8
Medicare allowed
$161,950
HCPCS Description Services Patients Avg allowed
92517 Vemp testing of lower branch of inner ear nerve with interpretation and report 216 215 $88
92540 Evaluation and testing for balance with recording 213 212 $122
92547 Use of electrodes during balance testing 213 212 $13
99215 Established patient office or other outpatient visit, 40-54 minutes 211 173 $196
92546 Test for abnormal eye movement using a rotating chair 210 209 $150
92537 Test to assess balance during warm and cool irrigation in both ears 197 196 $45
99205 New patient office or other outpatient visit, 60-74 minutes 129 129 $237
95992 Repositioning exercises of head for treatment of dizziness, each day 39 36 $48

In context: peer comparison

Among 85 peers in Los Angeles Neurology Physician, average services per provider: 411. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$121
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cochlear Americas 1 $121.22

By nature of payment

Food and Beverage
$121

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
86
Patients
22
Total drug cost
$5,120
Drug Type Claims Patients Total cost
Acetazolamide Generic 18 0 $1,723
Topiramate Generic 17 0 $835
Gabapentin Generic 14 0 $137
Meclizine Hcl Generic 13 11 $73
Sumatriptan Generic 13 0 $2,275
Ondansetron Hcl Generic 11 11 $78

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gail Ishiyama's medical specialty?
Dr. Gail Ishiyama practices Neurology Physician in Los Angeles, CA.
Where does Dr. Gail Ishiyama practice?
Dr. Gail Ishiyama practices at 300 Medical Plaza, Los Angeles, CA 90095. Office phone: 3107941195.
What is Dr. Gail Ishiyama's NPI?
Dr. Gail Ishiyama's National Provider Identifier (NPI) is 1639194038, issued by NPPES.
Does Dr. Gail Ishiyama accept Medicare assignment?
Yes. Dr. Gail Ishiyama accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gail Ishiyama commonly perform?
Top Medicare-reported procedures in 2023: Vemp testing of lower branch of inner ear nerve with interpretation and report (HCPCS 92517); Evaluation and testing for balance with recording (HCPCS 92540); Use of electrodes during balance testing (HCPCS 92547). Source: CMS Medicare Physician & Other Practitioners file.