Mrs Karen Janet Terwilliger, MS, APRN, AGPCNP-BC - Medicare Nurse Practitioner in Mystic, CT

Mrs Karen Janet Terwilliger, MS, APRN, AGPCNP-BC is a medicare enrolled "Nurse Practitioner - Gerontology" in Mystic, Connecticut. Her current practice location is 3 Heron Rd, Mystic, Connecticut. You can reach out to her office (for appointments etc.) via phone at (401) 497-6799.

Mrs Karen Janet Terwilliger is licensed to practice in Connecticut (license number 6220) 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 1245616705.

Contact Information

Mrs Karen Janet Terwilliger, MS, APRN, AGPCNP-BC
3 Heron Rd,
Mystic, CT 06355-3253
(401) 497-6799
Not Available

Map and Direction




Provider's Profile

Full NameMrs Karen Janet Terwilliger
GenderFemale
SpecialityNurse Practitioner - Gerontology
Location3 Heron Rd, Mystic, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1245616705
  • Provider Enumeration Date: 08/07/2015
  • Last Update Date: 08/07/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0446569719
  • Enrollment ID: I20151028000314

Medical Identifiers

Medical identifiers for Mrs Karen Janet Terwilliger such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245616705NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LG0600XNurse Practitioner - Gerontology 6220 (Connecticut)Primary
363LP2300XNurse Practitioner - Primary Care 6220 (Connecticut)Secondary

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. Mrs Karen Janet Terwilliger allows following entities to bill medicare on her behalf.
Entity NameMystic Geriatrics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336167238
PECOS PAC ID: 0547578841
Enrollment ID: O20151007000652
Entity NameIntegrated Wound Care Connecticut, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649778762
PECOS PAC ID: 0042572893
Enrollment ID: O20180315000678

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. Mrs Karen Janet Terwilliger 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
Mrs Karen Janet Terwilliger, MS, APRN, AGPCNP-BC
23 Old Voluntown Rd,
Griswold, CT 06351-8828

Ph: (401) 497-6799
Mrs Karen Janet Terwilliger, MS, APRN, AGPCNP-BC
3 Heron Rd,
Mystic, CT 06355-3253

Ph: (401) 497-6799

Reviews and Comments


Nurse Practitioner Nurses in Mystic, CT

Lindsay Evelyn Swanberry, NP
Nurse Practitioner
Medicare: May Accept Medicare Assignments
Practice Location: 23 Sharon Rd, Mystic, CT 06355
Phone: 860-961-0820    
Ms. Mary Ellen Pagnozzi, A.P.R.N.
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Medicare: Not Enrolled in Medicare
Practice Location: 3 Heron Rd, Mystic, CT 06355
Phone: 860-536-6442    Fax: 860-536-6442
Patricia Sue Decker, APRN
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Medicare: Medicare Enrolled
Practice Location: 28 Broadway Ave, Mystic, CT 06355
Phone: 860-536-9655    
Shaniya Rosenkrantz, APRN
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Medicare: Medicare Enrolled
Practice Location: 100 Perkins Farm Dr, Mystic, CT 06355
Phone: 860-572-8911    
Cheryl A Walker, APRN
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 3 Heron Rd, Mystic, CT 06355
Phone: 860-536-6442    Fax: 860-536-6442
Ms. Kristen Maria Stehle, A.P.R.N.
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 55 W Mystic Ave # 69, Mystic, CT 06388
Phone: 860-245-9689    

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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