Riaz Ahmed Sirajuddin, M.D.
Cardiovascular Disease · Oklahoma City, OK
At a glance
10413 Greenbriar Pkwy, Oklahoma City, OK 73159-7656
Published activity: Coronary angioplasty and stenting. View counts and coverage
NPPES record updated Feb 24, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
10413 Greenbriar PkwyOklahoma City, OK 73159-7656
Additional reported practice locations
272 Hospital Rd Ste 125Chillicothe, OH 456019031
Phone: 7407794570
Education & affiliations
- Medical / professional school
- Indiana University School Of Medicine
- Graduation year
- 1991
- CMS specialties
- Cardiovascular Disease (Cardiology)
Practice groups
Reported hospital affiliations
- Adena Pike Medical Center Waverly, OH
- Adena Regional Medical Center Chillicothe, OH
- Carnegie Tri-County Municipal Hospital Carnegie, OK
- Ssm Health St Anthony Hospital - Oklahoma City Oklahoma City, OK
- The Physicians' Hospital In Anadarko Anadarko, OK
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary angioplasty and stenting | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
- 25%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_001_overall. Collection type: EHR. Measure denominator: 295.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 205.
- Controlling High Blood Pressure
- 72%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: EHR. Measure denominator: 689.
See all 5 reported measures
- Use of High-Risk Medications in Older Adults
- 2%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_238_overall. Collection type: EHR. Measure denominator: 653.
- Closing the Referral Loop: Receipt of Specialist Report
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_374_overall. Collection type: EHR. Measure denominator: 20.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Services other than consulting | $28,858.56 |
| Travel and lodging | $4,253.33 |
| Food and beverage | $2,723.63 |
Reporting companies
| Company | Amount |
|---|---|
| NOVO NORDISK INC | $34,001.10 |
| MEDTRONIC, INC. | $357.02 |
| PFIZER INC. | $287.78 |
| ASTRAZENECA PHARMACEUTICALS LP | $254.90 |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $147.30 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $147.18 |
| AMGEN INC. | $109.27 |
| ALNYLAM PHARMACEUTICALS INC. | $94.46 |
| Other reporting companies | $436.51 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease
- Taxonomy code
- 207RC0000X
- Enumeration date
- May 27, 2006
- Record updated
- Feb 24, 2026
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- RIAZ AHMED SIRAJUDDIN
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RC0000X
License reported: 35.071247 OH
207RC0000X · Primary
License reported: 22726 OK
174400000X
License reported: 22726 OK
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
10413 Greenbriar PkwyOklahoma City, OK 73159-7656
- Phone
- (405) 691-4665
- Fax
- (405) 378-7628
Mailing address
10413 GREENBRIAR PARKWAYOKLAHOMA CITY, OK 731596923
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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