Andrew M Siber, MD - Medicare Internal Medicine in Uxbridge, MA

Andrew M Siber, MD is a medicare enrolled "Internal Medicine" physician in Uxbridge, Massachusetts. He went to University Of Massachusetts Medical School and graduated in 2003 and has 21 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Umass Memorial Medical Group Inc and his current practice location is 281 E Hartford Ave, Uxbridge, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 278-5573.

Andrew M Siber is licensed to practice in Massachusetts (license number 230472) 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 1083787220.

Contact Information

Andrew M Siber, MD
281 E Hartford Ave,
Uxbridge, MA 01569-1278
(508) 278-5573
(508) 278-8477

Map and Direction




Physician's Profile

Full NameAndrew M Siber
GenderMale
SpecialityInternal Medicine
Experience21 Years
Location281 E Hartford Ave, Uxbridge, Massachusetts
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:
  • Andrew M Siber attended and graduated from University Of Massachusetts Medical School in 2003
  NPI Data:
  • NPI Number: 1083787220
  • Provider Enumeration Date: 11/16/2006
  • Last Update Date: 10/28/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8729179957
  • Enrollment ID: I20070802000272

Medical Identifiers

Medical identifiers for Andrew M Siber such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083787220NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 230472 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vna And Hospice Of Greater MilfordMilford, MAHome health agency
Preferred Transitions Home Health Care IncMilford, MAHome health agency
Vna Care NetworkWorcester, MAHome health agency
Umass Memorial Medical Center/university CampusWorcester, MAHospital
Milford Regional Medical CenterMilford, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Umass Memorial Medical Group Inc42845398911898

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. Andrew M Siber allows following entities to bill medicare on his behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

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. Andrew M Siber 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
Andrew M Siber, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: (800) 885-2225
Andrew M Siber, MD
281 E Hartford Ave,
Uxbridge, MA 01569-1278

Ph: (508) 278-5573

Reviews and Comments


Internal Medicine Doctors in Uxbridge, MA

Dr. Peter J Dain, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 E Hartford Ave, Uxbridge, MA 01569
Phone: 508-278-5573    Fax: 508-278-0347
Robert J. Pollitt, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 E Hartford Ave, Tri River Health Center, Uxbridge, MA 01569
Phone: 508-278-5573    
Dennis R. Pannullo, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 281 E Hartford Ave, Uxbridge, MA 01569
Phone: 508-278-5573    
Thi Hong Van Do, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 E Hartford Ave, Uxbridge, MA 01569
Phone: 508-278-8341    Fax: 508-278-0347
Eric Matthews, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 E Hartford Ave, Uxbridge, MA 01569
Phone: 508-278-5573    Fax: 508-278-0347
Bruce B Rosen, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 E Hartford Ave, Uxbridge, MA 01569
Phone: 508-278-5573    Fax: 508-278-0347

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.