Riaz Sirajuddin, M.D.
NPI 1235186099 · Cardiovascular Disease Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riaz Sirajuddin, M.D. is a Cardiovascular Disease Physician provider in Oklahoma City, OK (NPI 1235186099).
Provider details
- NPI number
- 1235186099
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.071247 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,789 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 | 940 | $122 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 177 | $172 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 130 | $13 |
| Evaluation of Implantable Heart and Blood Vessel Monitoring System, Remote Up to 30 Days93297 | 105 | $24 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 74 | $27 |
| Ultrasound of Both Sides of Head and Neck Blood Flow |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nebivolol Hcl | 364 | 102 |
| Rosuvastatin Calcium | 358 | 93 |
| Amlodipine Besylate | 266 | 70 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 206 | 55 |
| Apixabanbrand: Eliquis | 166 | 39 |
| Atorvastatin Calcium | 156 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37,914 across 120 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
Additional practice locations (1)
- 272 Hospital Rd Ste 125Chillicothe, OH 45601-9031Phone: (740) 779-4570
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Riaz Sirajuddin's NPI number?
- Riaz Sirajuddin's National Provider Identifier (NPI) is 1235186099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riaz Sirajuddin's specialty?
- Riaz Sirajuddin is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Riaz Sirajuddin located?
- Riaz Sirajuddin's practice location on file with NPPES is 10413 Greenbriar Pkwy, Oklahoma City, OK 73159-7656.
- What is Riaz Sirajuddin's phone number?
- The practice phone number listed in the NPPES registry for Riaz Sirajuddin is (405) 691-4665.
- Does Riaz Sirajuddin accept Medicare?
- Riaz Sirajuddin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Riaz Sirajuddin's NPI active?
- Yes — Riaz Sirajuddin's NPI (1235186099) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.