Colleen Delaney, MD - Medicare Obstetrics & Gynecology in Old Greenwich, CT

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Colleen Delaney, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Old Greenwich, Connecticut. Her current practice location is 1455 E Putnam Ave Ste 1, Old Greenwich, Connecticut. You can reach out to her office (for appointments etc.) via phone at (036) 373-3372.

Colleen Delaney is licensed to practice in Connecticut (license number 75738) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1013470129.

Contact Information

Colleen Delaney, MD
1455 E Putnam Ave Ste 1,
Old Greenwich, CT 06870-1360
(036) 373-3372
(203) 637-3307

Map and Direction




Physician's Profile

Full NameColleen Delaney
GenderFemale
SpecialityObstetrics & Gynecology
Location1455 E Putnam Ave Ste 1, Old Greenwich, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1013470129
  • Provider Enumeration Date: 04/08/2019
  • Last Update Date: 02/22/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5698138113
  • Enrollment ID: I20230831002122

Medical Identifiers

Medical identifiers for Colleen Delaney such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013470129NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 75738 (Connecticut)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. Colleen Delaney allows following entities to bill medicare on her behalf.
Entity NameStamford Health Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154633980
PECOS PAC ID: 6901099746
Enrollment ID: O20101025000743

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. Colleen Delaney 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
Colleen Delaney, MD
1455 E Putnam Ave Ste 1,
Old Greenwich, CT 06870-1360

Ph: (036) 373-3372		Colleen Delaney, MD
1455 E Putnam Ave Ste 1,
Old Greenwich, CT 06870-1360

Ph: (036) 373-3372

Reviews and Comments


Obstetrics & Gynecology Doctors in Old Greenwich, CT

Dr. Russell Frederick Turk, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1455 East Putnam Avenue, 1st Floor, Old Greenwich, CT 06870
Phone: 203-637-3337    Fax: 203-637-3307
Dr. Lyudmila Burina Ganatra, DO
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1455 E Putnam Ave Ste 1, Old Greenwich, CT 06870
Phone: 203-637-3337    Fax: 203-637-3307

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.