Louis J Berk, MD - Medicare Internal Medicine in Acton, MA

Louis J Berk, MD is a medicare enrolled "Family Medicine" physician in Acton, Massachusetts. He went to University Of Massachusetts Medical School and graduated in 2013 and has 11 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Acton Medical Associates Pc and his current practice location is 321 Main St, Acton, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 635-8700.

Louis J Berk is licensed to practice in California (license number 142888) 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 1730501875.

Contact Information

Louis J Berk, MD
321 Main St,
Acton, MA 01720-3799
(978) 635-8700
Not Available

Map and Direction




Physician's Profile

Full NameLouis J Berk
GenderMale
SpecialityInternal Medicine
Experience11 Years
Location321 Main St, Acton, 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:
  • Louis J Berk attended and graduated from University Of Massachusetts Medical School in 2013
  NPI Data:
  • NPI Number: 1730501875
  • Provider Enumeration Date: 01/08/2014
  • Last Update Date: 06/12/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5799063038
  • Enrollment ID: I20190806001678

Medical Identifiers

Medical identifiers for Louis J Berk such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730501875NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 142888 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Emerson Hospital Home Care ProgramConcord, MAHome health agency
Emerson Hospital -W concord, MAHospital
Massachusetts Eye And Ear Infirmary -Boston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Acton Medical Associates Pc731591940439

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. Louis J Berk allows following entities to bill medicare on his behalf.
Entity NameActon Medical Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447365408
PECOS PAC ID: 7315919404
Enrollment ID: O20040810000196

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. Louis J Berk 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
Louis J Berk, MD
321 Main St,
Acton, MA 01720-3799

Ph: (978) 635-8700
Louis J Berk, MD
321 Main St,
Acton, MA 01720-3799

Ph: (978) 635-8700

Reviews and Comments


Family Medicine Doctors in Acton, MA

Mary Donald, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 42 Taylor Rd, Acton, MA 01720
Phone: 978-263-7855    Fax: 978-264-0109
Michael George Ross, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 321 Main St, Acton, MA 01720
Phone: 978-635-8700    Fax: 978-635-8923

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.