Marshall Rob Chamberlin, MD - Medicare Internal Medicine in Scarborough, ME

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Marshall Rob Chamberlin, MD is a medicare enrolled "Internal Medicine" physician in Scarborough, Maine. He went to Boston University School Of Medicine and graduated in 2009 and has 16 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mainehealth and his current practice location is 300 Professional Dr, Suite 2b, Scarborough, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 883-3491.

Marshall Rob Chamberlin is licensed to practice in Maine (license number MD20716) 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 1003044488.

Contact Information

Marshall Rob Chamberlin, MD
300 Professional Dr, Suite 2b,
Scarborough, ME 04074-8897
(207) 883-3491
(207) 885-5587

Map and Direction




Physician's Profile

Full NameMarshall Rob Chamberlin
GenderMale
SpecialityInternal Medicine
Experience16 Years
Location300 Professional Dr, Scarborough, Maine
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:
  • Marshall Rob Chamberlin attended and graduated from Boston University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1003044488
  • Provider Enumeration Date: 06/24/2009
  • Last Update Date: 03/30/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8426206863
  • Enrollment ID: I20151022001228

Medical Identifiers

Medical identifiers for Marshall Rob Chamberlin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003044488NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist MD20716 (Maine)Secondary
207R00000XInternal Medicine MD20716 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine Medical CenterPortland, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mainehealth75178605882288

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. Marshall Rob Chamberlin allows following entities to bill medicare on his behalf.
Entity NameMaine Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467477349
PECOS PAC ID: 9335043967
Enrollment ID: O20031125000026
Entity NameMaine Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598780447
PECOS PAC ID: 9335043967
Enrollment ID: O20040220000847
Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166
Entity NameMaine Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073527388
PECOS PAC ID: 9335043967
Enrollment ID: O20050401000844

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. Marshall Rob Chamberlin 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
Marshall Rob Chamberlin, MD
190 Riverside St, Suite 6b,
Portland, ME 04103-1073

Ph: (207) 661-2000		Marshall Rob Chamberlin, MD
300 Professional Dr, Suite 2b,
Scarborough, ME 04074-8897

Ph: (207) 883-3491

Reviews and Comments


Internal Medicine Doctors in Scarborough, ME

Jamal Choudhary, MD
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 49 Spring St Ste 201, Scarborough, ME 04074
Phone: 207-883-3491    Fax: 207-618-5026
Dr. Mary C. Fahrenbach, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Drive, Suite 1, Scarborough, ME 04074
Phone: 207-885-9905    Fax: 207-396-5600
Dr. Mylan C. Cohen, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 96 Campus Drive, Suite 1, Scarborough, ME 04074
Phone: 207-885-9905    Fax: 207-396-5600
Mirle A Kellett, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Dr, Suite 1, Scarborough, ME 04074
Phone: 207-396-5611    
Dr. Warren D Alpern, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Dr, Suite 1, Scarborough, ME 04074
Phone: 207-396-5611    
Susan Miesfeldt, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 Campus Drive, Suite 110, Scarborough, ME 04074
Phone: 207-396-7678    Fax: 207-396-8766
Andrew Heppe,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 Professional Dr Ste 2b, Scarborough, ME 04074
Phone: 207-883-3491    

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.