Mrs Sara Larson Clay, MD - Medicare Internal Medicine in Lowell, MA

Mrs Sara Larson Clay, MD is a medicare enrolled "Internal Medicine" physician in Lowell, Massachusetts. She went to Duke University School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Riverside Medical Group Pc and her current practice location is 275 Varnum Ave, Ste 201, Lowell, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 452-9700.

Mrs Sara Larson Clay is licensed to practice in Massachusetts (license number 157861) 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 1073575809.

Contact Information

Mrs Sara Larson Clay, MD
275 Varnum Ave, Ste 201,
Lowell, MA 01854
(978) 452-9700
(978) 441-6075

Map and Direction




Physician's Profile

Full NameMrs Sara Larson Clay
GenderFemale
SpecialityInternal Medicine
Experience28 Years
Location275 Varnum Ave, Lowell, Massachusetts
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:
  • Mrs Sara Larson Clay attended and graduated from Duke University School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1073575809
  • Provider Enumeration Date: 04/05/2006
  • Last Update Date: 01/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3971668112
  • Enrollment ID: I20090223000184

Medical Identifiers

Medical identifiers for Mrs Sara Larson Clay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073575809NPI-NPPES
3199428MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 157861 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Home Health Of HaverhillLawrence, MAHome health agency
Lowell General HospitalLowell, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Riverside Medical Group Pc519361291910

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. Mrs Sara Larson Clay allows following entities to bill medicare on her behalf.
Entity NameRiverside Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508821646
PECOS PAC ID: 5193612919
Enrollment ID: O20040304000318

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. Mrs Sara Larson Clay 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
Mrs Sara Larson Clay, MD
275 Varnum Ave, Ste 201,
Lowell, MA 01854

Ph: (978) 452-9700
Mrs Sara Larson Clay, MD
275 Varnum Ave, Ste 201,
Lowell, MA 01854

Ph: (978) 452-9700

Reviews and Comments


Internal Medicine Doctors in Lowell, MA

Alexandra Miniati, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 Varnum Ave Riverside Medical Group, Ste 201, Lowell, MA 01854
Phone: 978-452-9700    Fax: 978-441-6075
Dr. Cynthia Lynn Manning, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave, Lowell, MA 01854
Phone: 978-937-6439    
Mrs. Frances M Morse, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 275 Varnum Ave, Ste 101, Lowell, MA 01854
Phone: 978-459-0531    Fax: 978-459-8389
Riad Ettunsi,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave, Lowell, MA 01854
Phone: 978-937-6000    
Peter S Bradshaw, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 77 E Merrimack St, Suite 15, Lowell, MA 01852
Phone: 978-459-3341    
Seema Sahib, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Varnum Ave # General, Lowell, MA 01854
Phone: 978-937-6439    

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.