Mary G Diana, MD - Medicare Obstetrics & Gynecology in Westport, CT

Mary G Diana, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Westport, Connecticut. Her current practice location is 12 Avery Place, Avery Center For Obstetrics & Gynecology, Westport, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 227-5125.

Mary G Diana is licensed to practice in Connecticut (license number 56749) 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 1962445684.

Contact Information

Mary G Diana, MD
12 Avery Place, Avery Center For Obstetrics & Gynecology,
Westport, CT 06880
(203) 227-5125
Not Available

Map and Direction




Physician's Profile

Full NameMary G Diana
GenderFemale
SpecialityObstetrics & Gynecology
Location12 Avery Place, Westport, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1962445684
  • Provider Enumeration Date: 06/13/2006
  • Last Update Date: 12/08/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5698798650
  • Enrollment ID: I20060105000531

Medical Identifiers

Medical identifiers for Mary G Diana such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1962445684NPI-NPPES
0667910001OtherNYDME
01659383MedicaidNY
P00413156OtherNYMEDICARE RAILROAD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 56749 (Connecticut)Primary
207V00000XObstetrics & Gynecology 200058 (New York)Secondary

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. Mary G Diana allows following entities to bill medicare on her behalf.
Entity NameCrystal Run Healthcare Physicians Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952376410
PECOS PAC ID: 6901792696
Enrollment ID: O20040227000791
Entity NameObgyn Hospitalist Medical Services Of New York Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518285055
PECOS PAC ID: 9830379759
Enrollment ID: O20110210000282

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. Mary G Diana 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
Mary G Diana, MD
16 Georgetown N,
Greenwich, CT 06831-5235

Ph: (845) 325-6127
Mary G Diana, MD
12 Avery Place, Avery Center For Obstetrics & Gynecology,
Westport, CT 06880

Ph: (203) 227-5125

Reviews and Comments


Obstetrics & Gynecology Doctors in Westport, CT

Elizabeth Sauter, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 12 Avery Pl, Avery Center For Ob Gyn, Westport, CT 06880
Phone: 203-227-5125    Fax: 203-222-7180
Dr. Marc P Storch,
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 156 Kings Highway N, Westport, CT 06880
Phone: 203-226-1243    Fax: 203-226-6249
Robert Goldberg, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 12 Avery Pl, Avery Center For Ob Gyn, Westport, CT 06880
Phone: 203-227-5125    Fax: 203-222-7180
Dr. Melissa Taylor-giorlando, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 12 Avery Pl, Westport, CT 06880
Phone: 203-227-5125    
Dr. Joao Feldman Correia De Pinho, MD, FACOG
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 12 Daybreak Ln, Westport, CT 06880
Phone: 475-277-0737    Fax: 475-277-0737
Marjorie Szeto, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 12 Avery Pl, Avery Center Ob Gyn, Westport, CT 06880
Phone: 203-227-5125    Fax: 203-222-7180
David B Seifer, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 125a Kings Highway N, Yale University - Ob/gyn Reproductive Endocrinology, Westport, CT 06880
Phone: 203-341-8899    

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.