Riaz A. Sirajuddin MD PC
NPI 1508976648 · Cardiovascular Disease Physician · Oklahoma City, OK
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riaz A. Sirajuddin MD PC is a Cardiovascular Disease Physician organization in Oklahoma City, OK (NPI 1508976648).
Provider details
- NPI number
- 1508976648
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Riaz Sirajuddin, Owner(405) 691-4665
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Heart Solutions of Oklahoma
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Riaz A. Sirajuddin MD PC's NPI number?
- Riaz A. Sirajuddin MD PC's National Provider Identifier (NPI) is 1508976648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riaz A. Sirajuddin MD PC?
- Riaz A. Sirajuddin MD PC is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Riaz A. Sirajuddin MD PC located?
- Riaz A. Sirajuddin MD PC's practice location on file with NPPES is 10413 Greenbriar Pkwy, Oklahoma City, OK 73159-7656.
- What is Riaz A. Sirajuddin MD PC's phone number?
- The practice phone number listed in the NPPES registry for Riaz A. Sirajuddin MD PC is (405) 691-4665.
- Does Riaz A. Sirajuddin MD PC accept Medicare?
- Riaz A. Sirajuddin MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Riaz A. Sirajuddin MD PC?
- The authorized official listed on Riaz A. Sirajuddin MD PC's NPPES record is Riaz Sirajuddin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riaz A. Sirajuddin MD PC's NPI active?
- Yes — Riaz A. Sirajuddin MD PC's NPI (1508976648) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.