Doctor profile · Federal record

Dr. Terry Ishihara, MD

Family Medicine Physician (CMS: Family Practice) · Hawthorne, CA

  • NPI 1609856939
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5400 W Rosecrans Ave, Ste 100
Hawthorne, CA 902506609
(310) 643-8500
fax (310) 297-7863

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
November 5, 2012
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G87861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609856939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
963
Distinct HCPCS
10
Medicare allowed
$103,948
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 259 169 $140
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 110 110 $142
36415 Insertion of needle into vein for collection of blood sample 100 86 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 83 62 $197
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 83 18 $116
83036 Hemoglobin a1c level 70 57 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 53 45 $100
71046 X-ray of chest, 2 views 28 28 $25
99442 Telephone medical discussion with physician, 11-20 minutes 26 24 $100
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 25 23 $16

In context: peer comparison

Among 9 peers in this city , average services per provider: 71. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,980
Transactions
21
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 8 $709.08
Abbott Laboratories 2 $276.18
GlaxoSmithKline, LLC. 2 $247.56
Novo Nordisk Inc 4 $138.03
Madrigal Pharmaceuticals 1 $133.73
Lilly USA, LLC 1 $123.97
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $123.69
IDORSIA PHARMACEUTICALS US INC 1 $121.58
Medtronic, Inc. 1 $106.37

By nature of payment

Food and Beverage
$1,980

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,639
Patients
625
Total drug cost
$122,532
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 493 115 $7,501
Eliquis (Apixaban) Brand 238 29 $87,715
Lisinopril Generic 228 62 $2,962
Levothyroxine Sodium Generic 186 36 $2,763
Losartan Potassium Generic 184 55 $3,316
Tamsulosin Hcl Generic 158 28 $2,774
Hydrochlorothiazide Generic 148 40 $718
Omeprazole Generic 143 41 $2,040
Gabapentin Generic 136 31 $2,795
Metformin Hcl Generic 130 42 $1,774

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Terry Ishihara's medical specialty?
Dr. Terry Ishihara practices Family Medicine Physician in Hawthorne, CA.
Where does Dr. Terry Ishihara practice?
Dr. Terry Ishihara practices at 5400 W Rosecrans Ave, Hawthorne, CA 902506609. Office phone: 3106438500.
What is Dr. Terry Ishihara's NPI?
Dr. Terry Ishihara's National Provider Identifier (NPI) is 1609856939, issued by NPPES.
Does Dr. Terry Ishihara accept Medicare assignment?
Yes. Dr. Terry Ishihara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terry Ishihara commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.