Kathryn R Ellis, MD - Medicare Internal Medicine in Millis, MA

Kathryn R Ellis, MD is a medicare enrolled "Family Medicine" physician in Millis, Massachusetts. She went to Johns Hopkins University School Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Charles River Medical Associates, Pc and her current practice location is 730 Main St, 1a, Millis, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 376-2515.

Kathryn R Ellis is licensed to practice in Massachusetts (license number 160327) 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 1942288295.

Contact Information

Kathryn R Ellis, MD
730 Main St, 1a,
Millis, MA 02054-1612
(508) 376-2515
(508) 376-9932

Map and Direction




Physician's Profile

Full NameKathryn R Ellis
GenderFemale
SpecialityInternal Medicine
Experience29 Years
Location730 Main St, Millis, 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:
  • Kathryn R Ellis attended and graduated from Johns Hopkins University School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1942288295
  • Provider Enumeration Date: 01/06/2006
  • Last Update Date: 01/16/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8426048984
  • Enrollment ID: I20040517000105

Medical Identifiers

Medical identifiers for Kathryn R Ellis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942288295NPI-NPPES
3204723MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 160327 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Metrowest Homecare And Hospice, An Amedisys CompanMarlborough, MAHome health agency
Vna And Hospice Of Greater MilfordMilford, MAHome health agency
Natick Walpole Visiting Nurse AssociationWalpole, MAHome health agency
Preferred Transitions Home Health Care IncMilford, MAHome health agency
Milford Regional Medical CenterMilford, MAHospital
Metrowest Medical CenterFramingham, MAHospital
Brigham And Women's HospitalBoston, MAHospital
Newton-wellesley HospitalNewton, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Charles River Medical Associates, Pc347663045098

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. Kathryn R Ellis allows following entities to bill medicare on her behalf.
Entity NameCharles River Medical Associates, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598215204
PECOS PAC ID: 3476630450
Enrollment ID: O20161122000110

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. Kathryn R Ellis 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
Kathryn R Ellis, MD
171 Main St Ste 203b,
Ashland, MA 01721-1187

Ph: (508) 881-3029
Kathryn R Ellis, MD
730 Main St, 1a,
Millis, MA 02054-1612

Ph: (508) 376-2515

Reviews and Comments


Family Medicine Doctors in Millis, MA

Nicholas W Phillips Iii, DO
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 730 Main St, Millis, MA 02054
Phone: 508-376-2515    Fax: 508-376-9932
Seamus Mark, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 969 Main Street, Suite 205, Millis, MA 02054
Phone: 508-376-3000    Fax: 508-376-3024
Steven L. Bornstein, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 969 Main St, Millis, MA 02054
Phone: 508-376-1125    Fax: 508-376-1102

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.