Rebecca A Williams, MD, MHPE, FAAFP - Medicare Family Practice in Sleepy Hollow, NY

Rebecca A Williams, MD, MHPE, FAAFP is a medicare enrolled "Family Medicine" physician in Sleepy Hollow, New York. She went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1986 and has 38 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Montefiore Medical Center and her current practice location is 80 Beekman Ave, Sleepy Hollow, New York. You can reach out to her office (for appointments etc.) via phone at (914) 631-4141.

Rebecca A Williams is licensed to practice in New York (license number 233184) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1841375979.

Contact Information

Rebecca A Williams, MD, MHPE, FAAFP
80 Beekman Ave,
Sleepy Hollow, NY 10591-2503
(914) 631-4141
Not Available

Map and Direction




Physician's Profile

Full NameRebecca A Williams
GenderFemale
SpecialityFamily Practice
Experience38 Years
Location80 Beekman Ave, Sleepy Hollow, New York
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Rebecca A Williams attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1986
  NPI Data:
  • NPI Number: 1841375979
  • Provider Enumeration Date: 10/26/2006
  • Last Update Date: 11/14/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 7416915442
  • Enrollment ID: I20041222000433

Medical Identifiers

Medical identifiers for Rebecca A Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841375979NPI-NPPES
02585293MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 233184 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Montefiore Medical CenterBronx, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Montefiore Medical Center37794960212071

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. Rebecca A Williams allows following entities to bill medicare on her behalf.
Entity NameMontefiore Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063525152
PECOS PAC ID: 3779496021
Enrollment ID: O20031113000235

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. Rebecca A Williams 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
Rebecca A Williams, MD, MHPE, FAAFP
165 Main St,
Ossining, NY 10562-4702

Ph: (914) 941-1263
Rebecca A Williams, MD, MHPE, FAAFP
80 Beekman Ave,
Sleepy Hollow, NY 10591-2503

Ph: (914) 631-4141

Reviews and Comments


Family Medicine Doctors in Sleepy Hollow, NY

Batel Heather Isenstein, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 80 Beekman Ave, Sleepy Hollow, NY 10591
Phone: 914-631-4141    Fax: 914-631-1867
Allison Smith Greenberg, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-631-4141    Fax: 914-631-1867
Dmitriy Gagarkin, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 701 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-366-3000    
Sara Marie Paul, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 701 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-631-4141    
Tshering Sherpa,
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 701 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-366-3590    
Todd Estabrook,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 701 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-366-3000    
Rachel Graham,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 701 N Broadway, Sleepy Hollow, NY 10591
Phone: 914-366-5350    

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.