Doctor profile · Federal record

Dr. Ismail Kasimoglu, MD, PHD, MBA

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Orange, CA

  • NPI 1578095774
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S Bldg 30, Pavilion 1, Bldg.30
Orange, CA 928683201
(714) 456-7720
fax (855) 209-8413
Mailing address
101 the City Dr S, City Tower, Suite 400
Orange, CA 928683201

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
March 26, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A158416

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578095774. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
2
Medicare allowed
$14,227
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 36 33 $141

In context: peer comparison

Among 4 peers in Orange Endocrinology, Diabetes & Metabolism Physician, average services per provider: 99. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$276
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Corcept Therapeutics 2 $229.66
Abbott Laboratories 3 $46.32

By nature of payment

Food and Beverage
$276

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
11
Total drug cost
$93,935
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 26 11 $1,226
Trulicity (Dulaglutide) Brand 23 0 $45,196
Metformin Hcl Generic 19 0 $445
Tradjenta (Linagliptin) Brand 18 0 $17,772
Pioglitazone Hcl Generic 16 0 $459
Glipizide ER (Glipizide) Brand 15 0 $319
Novolog Flexpen (Insulin Aspart) Brand 13 0 $9,072
Jardiance (Empagliflozin) Brand 11 0 $19,445

Frequently asked questions

Auto-generated from federal data
What is Dr. Ismail Kasimoglu's medical specialty?
Dr. Ismail Kasimoglu practices Endocrinology, Diabetes & Metabolism Physician in Orange, CA.
Where does Dr. Ismail Kasimoglu practice?
Dr. Ismail Kasimoglu practices at 101 the City Dr S Bldg 30, Orange, CA 928683201. Office phone: 7144567720.
What is Dr. Ismail Kasimoglu's NPI?
Dr. Ismail Kasimoglu's National Provider Identifier (NPI) is 1578095774, issued by NPPES.
Does Dr. Ismail Kasimoglu accept Medicare assignment?
Yes. Dr. Ismail Kasimoglu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ismail Kasimoglu commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.