Karen Gersen, - Medicare Clinical Social Worker in Westbrook, ME

Karen Gersen, is a medicare enrolled "Social Worker - Clinical" provider in Westbrook, Maine. She graduated from medical school in 1995 and has 29 years of diverse experience with area of expertise as Clinical Social Worker. She is a member of the group practice Thrive Counseling Llc and her current practice location is 123 Andover Rd, Westbrook, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 761-2200.

Karen Gersen is licensed to practice in Maine (license number LC13292) 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 1770129074.

Contact Information

Karen Gersen,
123 Andover Rd,
Westbrook, ME 04092-3848
(207) 761-2200
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameKaren Gersen
GenderFemale
SpecialityClinical Social Worker
Experience29 Years
Location123 Andover Rd, Westbrook, Maine
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:
  • Karen Gersen graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1770129074
  • Provider Enumeration Date: 11/21/2019
  • Last Update Date: 11/21/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7214364553
  • Enrollment ID: I20200225002938

Medical Identifiers

Medical identifiers for Karen Gersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770129074NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical LC13292 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Thrive Counseling Llc0749458420848

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. Karen Gersen 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 NameThrive Counseling Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215181300
PECOS PAC ID: 0749458420
Enrollment ID: O20210810001114

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. Karen Gersen 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
Karen Gersen,
123 Andover Rd,
Westbrook, ME 04092-3850

Ph: (207) 761-2200
Karen Gersen,
123 Andover Rd,
Westbrook, ME 04092-3848

Ph: (207) 761-2200

Reviews and Comments


Social Worker in Westbrook, ME

Elizabeth Siviski, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 2 Church St Ste 4, Westbrook, ME 04092
Phone: 207-535-7255    
Mr. David Jeffrey Murray, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 89 Anderson Ave, Westbrook, ME 04092
Phone: 207-856-7362    
Wanda L Thomas, LMSW-CC
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 21 Saco St, Westbrook, ME 04092
Phone: 865-373-1050    Fax: 207-591-4159
Christopher Merrill, LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 123 Andover Rd, Westbrook, ME 04092
Phone: 207-661-6115    
Philip A Worster, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 12 Westbrook Commons, Westbrook, ME 04092
Phone: 207-856-1500    Fax: 207-282-7509
Kiely Lynn Foley, PMHNP-BC, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 123 Andover Rd, Westbrook, ME 04092
Phone: 207-761-2200    Fax: 207-761-2108
Nancy Ashbaugh,
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 123 Andover Rd, Westbrook, ME 04092
Phone: 207-661-6167    

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.