Dr Robert S Mcwilliam, MD - Medicare Psychiatry in Woodbury, CT

Dr Robert S Mcwilliam, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Woodbury, Connecticut. He went to University Of Vermont College Of Medicine and graduated in 1977 and has 47 years of diverse experience with area of expertise as Psychiatry. His current practice location is 4 S Pomperaug Ave, Woodbury, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 266-0404.

Dr Robert S Mcwilliam is licensed to practice in Connecticut (license number 022885) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1619071602.

Contact Information

Dr Robert S Mcwilliam, MD
4 S Pomperaug Ave,
Woodbury, CT 06798-3709
(203) 266-0404
(203) 263-0511

Map and Direction




Physician's Profile

Full NameDr Robert S Mcwilliam
GenderMale
SpecialityPsychiatry
Experience47 Years
Location4 S Pomperaug Ave, Woodbury, Connecticut
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Robert S Mcwilliam attended and graduated from University Of Vermont College Of Medicine in 1977
  NPI Data:
  • NPI Number: 1619071602
  • Provider Enumeration Date: 09/11/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0042477218
  • Enrollment ID: I20120131000819

Medical Identifiers

Medical identifiers for Dr Robert S Mcwilliam such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619071602NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 022885 (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. Dr Robert S Mcwilliam allows following entities to bill medicare on his behalf.
Entity NameRobert S Mcwilliam Md Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215486261
PECOS PAC ID: 6800176553
Enrollment ID: O20161215000257

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. Dr Robert S Mcwilliam 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
Dr Robert S Mcwilliam, MD
4 S Pomperaug Ave,
Woodbury, CT 06798-3709

Ph: (203) 266-0404
Dr Robert S Mcwilliam, MD
4 S Pomperaug Ave,
Woodbury, CT 06798-3709

Ph: (203) 266-0404

Reviews and Comments


Psychiatry & Neurology Doctors in Woodbury, CT

Michael Stephen Chase,
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 15 Woodside Cir, Woodbury, CT 06798
Phone: 860-966-4744    
David Michael Dressler, MD
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 51 Sherman Hill Rd, Woodbury, CT 06798
Phone: 203-263-5099    Fax: 203-263-5099
Marina Zatman, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 122 S Pomperaug Ave Ste 2b, Woodbury, CT 06798
Phone: 203-262-8448    Fax: 203-262-8440

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.