Tania S Sierra, MD - Medicare Obstetrics/gynecology in Fairfield, CT

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Tania S Sierra, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in Fairfield, Connecticut. She went to Icahn School Of Medicine At Mount Sinai and graduated in 2011 and has 14 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Northeast Medical Group Inc and her current practice location is 52 Beach Rd Ste 205, Fairfield, Connecticut. You can reach out to her office (for appointments etc.) via phone at (475) 330-6406.

Tania S Sierra is licensed to practice in Connecticut (license number 62554) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1356631998.

Contact Information

Tania S Sierra, MD
52 Beach Rd Ste 205,
Fairfield, CT 06824-6017
(475) 330-6406
(475) 330-6405

Map and Direction




Physician's Profile

Full NameTania S Sierra
GenderFemale
SpecialityObstetrics/gynecology
Experience14 Years
Location52 Beach Rd Ste 205, Fairfield, Connecticut
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tania S Sierra attended and graduated from Icahn School Of Medicine At Mount Sinai in 2011
  NPI Data:
  • NPI Number: 1356631998
  • Provider Enumeration Date: 04/16/2011
  • Last Update Date: 04/28/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 9133434400
  • Enrollment ID: I20190503000240

Medical Identifiers

Medical identifiers for Tania S Sierra such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356631998NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VF0040XObstetrics & Gynecology - Female Pelvic Medicine And Reconstructive Surgery 62554 (Connecticut)Secondary
207VG0400XObstetrics & Gynecology - Gynecology 62554 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bridgeport HospitalBridgeport, CTHospital
Greenwich Hospital Association -Greenwich, CTHospital
St. Vincent's Medical CenterBridgeport, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northeast Medical Group Inc12542338361287

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. Tania S Sierra allows following entities to bill medicare on her behalf.
Entity NameNortheast Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043278351
PECOS PAC ID: 1254233836
Enrollment ID: O20040123000522

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. Tania S Sierra 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
Tania S Sierra, MD
160 Hawley Ln Ste 2,
Trumbull, CT 06611-5387

Ph: (203) 375-3456		Tania S Sierra, MD
52 Beach Rd Ste 205,
Fairfield, CT 06824-6017

Ph: (475) 330-6406

Reviews and Comments


Obstetrics & Gynecology Doctors in Fairfield, CT

Dr. Patricia Ines Abruna, M.D.
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Medicare: May Accept Medicare Assignments
Practice Location: 1735 Post Rd, Fairfield, CT 06824
Phone: 203-256-3379    Fax: 203-256-3993
Mr. Jose Reyes, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 309 Stillson Rd, Fairfield, CT 06825
Phone: 203-366-8700    Fax: 203-367-8080
Peter Vandell, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1735 Post Road, Ob/gyn Of Fairfield County, Fairfield, CT 06824
Phone: 203-256-3990    Fax: 203-255-0688
Dr. Elenita Espina, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 309 Stillson Rd, Fairfield, CT 06825
Phone: 203-366-8700    Fax: 203-367-8080
Dr. Michael B Doyle, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 405 N Cedar Rd, Fairfield, CT 06824
Phone: 203-209-4911    
Dr. Aubrey Rauktys, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2150 Black Rock Tpke Ste 201, Fairfield, CT 06825
Phone: 203-693-4593    

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.