Dr Colin Woodward O'brien, MD - Medicare Internal Medicine in Sandy Springs, GA

Dr Colin Woodward O'brien, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Sandy Springs, Georgia. His current practice location is 6135 Barfield Rd Ste 100, Sandy Springs, Georgia. You can reach out to his office (for appointments etc.) via phone at (404) 962-6000.

Dr Colin Woodward O'brien is licensed to practice in Georgia (license number 88949) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1245768886.

Contact Information

Dr Colin Woodward O'brien, MD
6135 Barfield Rd Ste 100,
Sandy Springs, GA 30328-4308
(404) 962-6000
(404) 962-6001

Map and Direction




Physician's Profile

Full NameDr Colin Woodward O'brien
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location6135 Barfield Rd Ste 100, Sandy Springs, Georgia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1245768886
  • Provider Enumeration Date: 05/26/2017
  • Last Update Date: 06/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3678845708
  • Enrollment ID: I20230720000940

Medical Identifiers

Medical identifiers for Dr Colin Woodward O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245768886NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 88949 (Georgia)Primary

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 Colin Woodward O'brien allows following entities to bill medicare on his behalf.
Entity NameNorthside Cardiovascular Professional Services, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518979921
PECOS PAC ID: 9739189838
Enrollment ID: O20070112000232
Entity NameNorthside Cardiovascular Institute, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962060368
PECOS PAC ID: 2668708850
Enrollment ID: O20190725001893

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 Colin Woodward O'brien 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 AddressPractice Location Address
Dr Colin Woodward O'brien, MD
6135 Barfield Rd Ste 100,
Sandy Springs, GA 30328-4308

Ph: (404) 962-6000
Dr Colin Woodward O'brien, MD
6135 Barfield Rd Ste 100,
Sandy Springs, GA 30328-4308

Ph: (404) 962-6000

Reviews and Comments


Internal Medicine Doctors in Sandy Springs, GA

Dr. Robert L. Stahl, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 525 Riverside Pkwy Nw, Sandy Springs, GA 30328
Phone: 404-932-6191    
Dr. Ralph Lewis Haynes, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 5665 Peachtree Dunwoody Rd, Sandy Springs, GA 30342
Phone: 404-778-7726    
Stuart Jay Toporoff, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 6115 Peachtree Dunwoody Road, Suite 300, Sandy Springs, GA 30328
Phone: 678-320-3600    
Dazhong Sun, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 6115 Peachtree Dunwoody Rd Ste 300, Sandy Springs, GA 30328
Phone: 678-320-3600    
Dr. Peter Rayel, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1035 Ridge Tarn, Sandy Springs, GA 30350
Phone: 770-394-4281    Fax: 770-394-6014
Dr. Janice A Galleshaw, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1100 Johnson Ferry Rd Ne, Suite 600, Sandy Springs, GA 30342
Phone: 404-256-4777    Fax: 404-256-5515

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.