Dr Roslyn Gerwin, DO - Medicare Psychiatry & Neurology in South Portland, ME

Dr Roslyn Gerwin, DO is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in South Portland, Maine. Her current practice location is 300 Southborough Dr, Suite 201, South Portland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 661-2000.

Dr Roslyn Gerwin is licensed to practice in Maine (license number DO2494) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1710274709.

Contact Information

Dr Roslyn Gerwin, DO
300 Southborough Dr, Suite 201,
South Portland, ME 04106-6914
(207) 661-2000
Not Available

Map and Direction




Physician's Profile

Full NameDr Roslyn Gerwin
GenderFemale
SpecialityPsychiatry & Neurology - Psychiatry
Location300 Southborough Dr, South Portland, Maine
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1710274709
  • Provider Enumeration Date: 06/29/2011
  • Last Update Date: 08/18/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4688818859
  • Enrollment ID: I20151109000603

Medical Identifiers

Medical identifiers for Dr Roslyn Gerwin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710274709NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 248075 (Massachusetts)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry DO2494 (Maine)Primary

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. Dr Roslyn Gerwin allows following entities to bill medicare on her behalf.
Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166
Entity NamePenobscot Bay Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982645305
PECOS PAC ID: 2163320508
Enrollment ID: O20060316000020

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. Dr Roslyn Gerwin 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
Dr Roslyn Gerwin, DO
66 Bramhall St,
Portland, ME 04102-3344

Ph: (207) 662-2221
Dr Roslyn Gerwin, DO
300 Southborough Dr, Suite 201,
South Portland, ME 04106-6914

Ph: (207) 661-2000

Reviews and Comments


Psychiatry & Neurology Doctors in South Portland, ME

Dr. Gordon Adair Heath, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 96 Ocean St, Unit 4, South Portland, ME 04106
Phone: 207-221-3459    
Fernando Federico Barrera, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Foden Rd, East, South Portland, ME 04106
Phone: 207-874-1489    Fax: 207-523-8590
Christopher Mark Buttarazzi, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 254 Western Ave, South Portland, ME 04106
Phone: 207-661-0440    Fax: 207-661-0444
Nicholas Piotrowski, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 78 Atlantic Pl, South Portland, ME 04106
Phone: 844-292-0111    
Dr. Kelly Katherine Mcguire, M.D., M.P.A
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 236 Gannett Dr, South Portland, ME 04106
Phone: 207-661-3600    
Dr. Francine F Blattner, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1486b Broadway, South Portland, ME 04106
Phone: 207-761-5876    Fax: 207-799-8156
Sarah Richards Kim, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Foden Rd, East, Suite 100, South Portland, ME 04106
Phone: 207-874-1489    

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.

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