Dr Riaz Ahmed Sirajuddin, MD in Oklahoma City, OK - Medicare Cardiovascular Disease (cardiology)

Dr Riaz Ahmed Sirajuddin, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Oklahoma City, Oklahoma. He went to Indiana University School Of Medicine and graduated in 1991 and has 35 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Ssm Health Care Of Oklahoma, Inc., Riaz A. Sirajuddin Md Pc, Rutland Hospital, Inc., Adena Medical Group Llc and his current practice location is 10413 Greenbriar Pkwy, Oklahoma City, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (405) 691-4665.

Dr Riaz Ahmed Sirajuddin is licensed to practice in Oklahoma (license number 22726) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1235186099.

Contact Information

	Dr Riaz Ahmed Sirajuddin, MD
	10413 Greenbriar Pkwy, Oklahoma City, OK 73159-7656
	(405) 691-4665
	(405) 378-7628

Map and Direction

Physician's Profile

Full Name	Dr Riaz Ahmed Sirajuddin
Gender	Male
Speciality	Cardiovascular Disease (cardiology)
Experience	35 Years
Location	10413 Greenbriar Pkwy, Oklahoma City, Oklahoma
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Riaz Ahmed Sirajuddin attended and graduated from Indiana University School Of Medicine in 1991

NPI Data:

NPI Number: 1235186099
Provider Enumeration Date: 05/27/2006
Last Update Date: 02/24/2026

Medicare PECOS Information:

PECOS PAC ID: 4486632353
Enrollment ID: I20040708001014

Medical Identifiers

Medical identifiers for Dr Riaz Ahmed Sirajuddin such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1235186099	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RC0000X	Internal Medicine - Cardiovascular Disease	35.071247 (Ohio)	Secondary
207RC0000X	Internal Medicine - Cardiovascular Disease	22726 (Oklahoma)	Primary
174400000X	Specialist	22726 (Oklahoma)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Ssm Health St Anthony Hospital - Oklahoma City	Oklahoma city, OK	Hospital
Adena Regional Medical Center	Chillicothe, OH	Hospital
The Physicians' Hospital In Anadarko	Anadarko, OK	Hospital
Carnegie Tri-county Municipal Hospital	Carnegie, OK	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Ssm Health Care Of Oklahoma, Inc.	6709771207	41
Riaz A. Sirajuddin Md Pc	7012988579	2
Rutland Hospital, Inc.	7214846377	169
Adena Medical Group Llc	1153456579	346

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Riaz Ahmed Sirajuddin allows following entities to bill medicare on his behalf.

Entity Name	Ssm Health Care Of Oklahoma, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033283932 PECOS PAC ID: 6709771207 Enrollment ID: O20040216000184

Entity Name	Riaz A. Sirajuddin Md Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1508976648 PECOS PAC ID: 7012988579 Enrollment ID: O20040805001463

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Riaz Ahmed Sirajuddin is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Riaz Ahmed Sirajuddin, MD 10413 Greenbriar Parkway, Oklahoma City, OK 73159-6923 Ph: (405) 691-4665	Dr Riaz Ahmed Sirajuddin, MD 10413 Greenbriar Pkwy, Oklahoma City, OK 73159-7656 Ph: (405) 691-4665

Reviews and Comments

Internal Medicine Doctors in Oklahoma City, OK

Evelyn Lorents, MD Cardiovascular Disease Medicare: May Accept Medicare Assignments Practice Location: 920 Sl Young Blvd, Oklahoma City, OK 73104 Phone: 405-271-5963
Patrick Bronson Reeves, M.D. Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 3366 Nw Expressway Ste 550, Oklahoma City, OK 73112 Phone: 405-942-5442 Fax: 405-942-6448
Dr. Jake Lee Evans, MD Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 800 Stanton L Young Blvd, Aat 6300, Oklahoma City, OK 73104 Phone: 405-271-5963
Dr. Shawn Patel, MD Cardiovascular Disease Medicare: Medicare Enrolled Practice Location: 1200 Childrens Ave Ste 14000, Oklahoma City, OK 73104 Phone: 405-271-5211
Metri Haddaden, MD Cardiovascular Disease Medicare: Medicare Enrolled Practice Location: 800 Stanton L Young Blvd # 8425, Oklahoma City, OK 73104 Phone: 405-271-6173 Fax: 410-554-2184
Divya Sharma Divyadarshini, MD Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 800 Stanton L Young Blvd, Oklahoma City, OK 73104 Phone: 405-271-5963
Dr. Philip Barton Miner, Jr., M.D. Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 1000 N Lincoln Blvd, Suite 210, Oklahoma City, OK 73104 Phone: 405-271-4644 Fax: 405-271-3296

Dr Riaz Ahmed Sirajuddin, MD - Medicare Cardiovascular Disease (cardiology) in Oklahoma City, OK