Dr Matilda Sylvia Mason, MD - Medicare Internal Medicine in Stony Brook, NY

Dr Matilda Sylvia Mason, MD is a medicare enrolled "Internal Medicine" physician in Stony Brook, New York. She graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Practice Associates Medical Group and her current practice location is Hsc T16-020, Stony Brook, New York. You can reach out to her office (for appointments etc.) via phone at (631) 444-8478.

Dr Matilda Sylvia Mason is licensed to practice in New York (license number 268687) 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 1205141959.

Contact Information

Dr Matilda Sylvia Mason, MD
Hsc T16-020,
Stony Brook, NY 11794-0001
(631) 444-8478
(631) 444-7546

Map and Direction




Physician's Profile

Full NameDr Matilda Sylvia Mason
GenderFemale
SpecialityInternal Medicine
Experience22 Years
LocationHsc T16-020, Stony Brook, New York
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:
  • Dr Matilda Sylvia Mason graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1205141959
  • Provider Enumeration Date: 08/18/2010
  • Last Update Date: 03/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 1254572100
  • Enrollment ID: I20160201000024

Medical Identifiers

Medical identifiers for Dr Matilda Sylvia Mason such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205141959NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 25MA09712200 (New Jersey)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207R00000XInternal Medicine 268687 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Newton Medical CenterNewton, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Practice Associates Medical Group58907031771116

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 Matilda Sylvia Mason allows following entities to bill medicare on her behalf.
Entity NameSt Lukes Warren Physician Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467725184
PECOS PAC ID: 9739093675
Enrollment ID: O20031117000020
Entity NamePractice Associates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427016385
PECOS PAC ID: 5890703177
Enrollment ID: O20060330000690

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 Matilda Sylvia Mason 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 Matilda Sylvia Mason, MD
22 Bay View Ter,
Geneva, NY 14456-9768

Ph: (315) 759-7119
Dr Matilda Sylvia Mason, MD
Hsc T16-020,
Stony Brook, NY 11794-0001

Ph: (631) 444-8478

Reviews and Comments


Internal Medicine Doctors in Stony Brook, NY

Mohamed Hassan Kamel, MD
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Practice Location: Stony Brook University Hospital 101 Nicolls Road, Stony Brook, NY 11794
Phone: 631-689-8333    
Narinder Singh, M.D.
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Phone: 631-444-4000    
Dr. Andrzej Kudelka, M.D.
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Practice Location: 3 Pellegrino Rd, Z8151, Stony Brook, NY 11794
Phone: 631-638-0910    Fax: 631-638-0195
Saverio J Barbera, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: Health Science Center Nicolls Road, T-16-080, Stony Brook, NY 11794
Phone: 631-444-3575    Fax: 631-444-1054
Dr. Richard Lin, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: University Hospital, L5, Stony Brook, NY 11794
Phone: 631-444-2540    
Dr. Ajay Malhotra, MD
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Medicare: Accepting Medicare Assignments
Practice Location: Hsc L4 Rm 120, Stony Brook, NY 11794
Phone: 631-444-5400    Fax: 631-444-7538
Dr. John Anthony Savino Iii, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1320 Stony Brook Rd Bldg D, Stony Brook, NY 11790
Phone: 212-241-1653    Fax: 212-289-6393

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.