Ismail Kasimoglu, MD, PHD, MBA
NPI 1578095774 · Endocrinology, Diabetes & Metabolism Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ismail Kasimoglu, MD, PHD, MBA is a Endocrinology, Diabetes & Metabolism Physician provider in Orange, CA (NPI 1578095774).
Provider details
- NPI number
- 1578095774
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD, MBA
- Sex
- Male
- Sole proprietor
- No
- License
- A158416 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
756 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 241 | $147 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 110 | $189 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 104 | $207 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 52 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $144 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 99 | 19 |
| Levothyroxine Sodium | 93 | 33 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 90 | 21 |
| Dulaglutidebrand: Trulicity | 57 | 14 |
| Metformin Hclbrand: Metformin Hcl Er | 47 | 23 |
| Empagliflozinbrand: Jardiance | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$276 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-28
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Ismail Kasimoglu's NPI number?
- Ismail Kasimoglu's National Provider Identifier (NPI) is 1578095774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ismail Kasimoglu's specialty?
- Ismail Kasimoglu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ismail Kasimoglu located?
- Ismail Kasimoglu's practice location on file with NPPES is 101 the City Dr S Bldg 30, Orange, CA 92868-3201.
- What is Ismail Kasimoglu's phone number?
- The practice phone number listed in the NPPES registry for Ismail Kasimoglu is (714) 456-7720.
- Does Ismail Kasimoglu accept Medicare?
- Ismail Kasimoglu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ismail Kasimoglu's NPI active?
- Yes — Ismail Kasimoglu's NPI (1578095774) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.