Margaret Garrison, - Medicare Clinical Nurse Specialist in Old Saybrook, CT

Margaret Garrison, is a medicare enrolled "Clinical Nurse Specialist - Psychiatric/mental Health" in Old Saybrook, Connecticut. Her current practice location is 20 Research Pkwy, Suite C, Old Saybrook, Connecticut. You can reach out to her office (for appointments etc.) via phone at (800) 370-3651.

Margaret Garrison is licensed to practice in Connecticut (license number 000681) 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 1790974376.

Contact Information

Margaret Garrison,
20 Research Pkwy, Suite C,
Old Saybrook, CT 06475-4214
(800) 370-3651
Not Available

Map and Direction




Provider's Profile

Full NameMargaret Garrison
GenderFemale
SpecialityClinical Nurse Specialist - Psychiatric/mental Health
Location20 Research Pkwy, Old Saybrook, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1790974376
  • Provider Enumeration Date: 10/18/2007
  • Last Update Date: 10/18/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1557441730
  • Enrollment ID: I20080204000329

Medical Identifiers

Medical identifiers for Margaret Garrison such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790974376NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
364SP0808XClinical Nurse Specialist - Psychiatric/mental Health 000681 (Connecticut)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. Margaret Garrison allows following entities to bill medicare on her behalf.
Entity NameSunrise Psychological Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699199869
PECOS PAC ID: 7911130216
Enrollment ID: O20140512000200
Entity NameStep Up Care Pc Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154884740
PECOS PAC ID: 5496088346
Enrollment ID: O20190607000156

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. Margaret Garrison 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
Margaret Garrison,
20 Research Pkwy, Suite C,
Old Saybrook, CT 06475-4214

Ph: () -
Margaret Garrison,
20 Research Pkwy, Suite C,
Old Saybrook, CT 06475-4214

Ph: (800) 370-3651

Reviews and Comments


Clinical Nurse Specialist Nurses in Old Saybrook, CT

Jacalyn Szarkowicz-nair, APRN
Clinical Nurse Specialist
Medicare: Not Enrolled in Medicare
Practice Location: 20 Research Pkwy, Suite C, Old Saybrook, CT 06475
Phone: 800-370-3651    Fax: 860-510-0020
Donna Marie Delpo, APRN / NP
Clinical Nurse Specialist
Medicare: Accepting Medicare Assignments
Practice Location: 20 Research Pkwy, C, Old Saybrook, CT 06475
Phone: 800-370-3651    Fax: 860-510-0020
Mr. David Fisher Kimble, RN CNS
Clinical Nurse Specialist
Medicare: Not Enrolled in Medicare
Practice Location: 20 Research Pkwy, Old Saybrook, CT 06475
Phone: 800-370-3651    Fax: 860-510-0020
Ms. Linda Noll Demas, M.S.N., APRN
Clinical Nurse Specialist
Medicare: Not Enrolled in Medicare
Practice Location: 8 Ridge Dr, Old Saybrook, CT 06475
Phone: 860-388-3166    Fax: 860-388-3167

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).

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