DR. RIAZ AHMED SIRAJUDDIN (M.D.) – Cardiovascular Disease Physician, NPI 1235186099
Cardiovascular Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,508 CARDIOVASCULAR DISEASE (CARDIOLOGY) in OH
Provider Addresses for DR. RIAZ AHMED SIRAJUDDIN (M.D.)
272 Hospital Rd Ste 125
Chillicothe, OH 456019031
Phone: (740) 779-4570
Type: Location
10413, Greenbriar Parkway, Oklahoma City, Cleveland County, Oklahoma, 73159, United States
OKLAHOMA CITY, OK 731596923
Phone: (405) 691-4665
Fax: (405) 378-7628
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 266 Open Payments records for all available years, with a total value of $91,895.
Total Amount is formed as General ($91,895) + Research ($0) + Ownership ($0) = $91,895.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Novo Nordisk Inc ($83,279).
Total Amount
$91,895
General + Research + Ownership
Payments
266
Total payment records
General Amount
$91,895
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $83,279 |
| Janssen Pharmaceuticals, Inc | $3,438 |
| AstraZeneca Pharmaceuticals LP | $897 |
| CVRx, Inc. | $537 |
| PFIZER INC. | $250 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-06-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040708001014 | I | Cardiovascular Disease (Cardiology) | OK | TBD |
| I20250407001892 | I | Cardiovascular Disease (Cardiology) | VT | TBD |
| I20250602001142 | I | Cardiovascular Disease (Cardiology) | OH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 968 | 341 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 228 | 217 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 148 | 147 | $0 |
| 93297 | Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 93 | 13 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 84 | 77 | $0 |
Insurance plans in this area (ZIP 45601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | OK | 93922 | Ultrasound study of arteries of both arms and legs | 35 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| - | OH | |
| Physician Assistant | OH | |
| O T O L A R Y N G O L O G Y | OH | |
| Certified Nurse Midwife (Cnm) | OH | |
| Family Practice | OH | |
| Thoracic Surgery | OH | |
| Gastroenterology, Internal Medicine | OH | |
| Physician Assistant | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH |
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