Barry Witt, MD - Medicare Obstetrics & Gynecology in Greenwich, CT

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Barry Witt, MD is a medicare enrolled "Obstetrics & Gynecology - Reproductive Endocrinology" physician in Greenwich, Connecticut. His current practice location is 55 Holly Hill Ln Ste 270, Greenwich, Connecticut. You can reach out to his office (for appointments etc.) via phone at (032) 863-2990.

Barry Witt is licensed to practice in New York (license number 168909) 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 1538109699.

Contact Information

Barry Witt, MD
55 Holly Hill Ln Ste 270,
Greenwich, CT 06830-6074
(032) 863-2990
Not Available

Map and Direction




Physician's Profile

Full NameBarry Witt
GenderMale
SpecialityObstetrics & Gynecology - Reproductive Endocrinology
Location55 Holly Hill Ln Ste 270, Greenwich, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538109699
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 07/08/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0840601787
  • Enrollment ID: I20201124002410

Medical Identifiers

Medical identifiers for Barry Witt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538109699NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology 168909 (New York)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. Barry Witt allows following entities to bill medicare on his behalf.
Entity NameYale University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205822236
PECOS PAC ID: 9436061736
Enrollment ID: O20031105000015

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. Barry Witt 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
Barry Witt, MD
55 Holly Hill Ln Ste 270,
Greenwich, CT 06830-6074

Ph: (032) 863-2990		Barry Witt, MD
55 Holly Hill Ln Ste 270,
Greenwich, CT 06830-6074

Ph: (032) 863-2990

Reviews and Comments


Obstetrics & Gynecology Doctors in Greenwich, CT

Linda M Reid, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 644 W Putnam Ave, Greenwich, CT 06830
Phone: 203-210-2880    Fax: 203-210-2881
Dr. Patricia Eillen Palos,
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2 1/2 Dearfield Dr, Suite 101, Greenwich, CT 06831
Phone: 203-861-9586    Fax: 203-861-9587
Jeff G Wang, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 100 Putnam Grn, Greenwich, CT 06830
Phone: 203-774-9900    
Masahide D Kanayama, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 4 Dearfield Dr, Greenwich, CT 06831
Phone: 203-422-0477    Fax: 203-661-1607
Juliet Mushi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5 Perryridge Rd, Greenwich, CT 06830
Phone: 203-863-3972    Fax: 203-863-4647
Miss Alicia Isabel Robbins, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1 E Putnam Ave Fl Ll, Greenwich, CT 06830
Phone: 203-935-8454    

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.