Alissa Gregersen, AG-ACNP - Medicare Nurse Practitioner in Dover, DE

Alissa Gregersen, AG-ACNP is a medicare enrolled "Nurse Practitioner" in Dover, Delaware. She graduated from nursing school in 2017 and has 7 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Bayhealth Medical Center, Inc and her current practice location is 640 S State St, Dover, Delaware. You can reach out to her office (for appointments etc.) via phone at (302) 674-4700.

Alissa Gregersen is licensed to practice in Delaware (license number LP-0000239) 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 1922508902.

Contact Information

Alissa Gregersen, AG-ACNP
640 S State St,
Dover, DE 19901-3530
(302) 674-4700
Not Available

Map and Direction




Provider's Profile

Full NameAlissa Gregersen
GenderFemale
SpecialityNurse Practitioner
Experience7 Years
Location640 S State St, Dover, Delaware
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:
  • Alissa Gregersen graduated from nursing school in 2017
  NPI Data:
  • NPI Number: 1922508902
  • Provider Enumeration Date: 02/16/2018
  • Last Update Date: 12/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5092079863
  • Enrollment ID: I20180502000636

Medical Identifiers

Medical identifiers for Alissa Gregersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922508902NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LG0600XNurse Practitioner - Gerontology LP-0000239 (Delaware)Secondary
363L00000XNurse Practitioner LP-0000239 (Delaware)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bayhealth Hospital, Kent CampusDover, DEHospital
Bayhealth Hospital, Sussex CampusMilford, DEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bayhealth Medical Center, Inc1658364740308

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. Alissa Gregersen allows following entities to bill medicare on her behalf.
Entity NameBayhealth Emergency Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073012696
PECOS PAC ID: 7719240696
Enrollment ID: O20180405000978
Entity NameBayhealth Medical Center, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679072144
PECOS PAC ID: 1658364740
Enrollment ID: O20180411000470

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. Alissa Gregersen 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
Alissa Gregersen, AG-ACNP
640 S State St, Mail Code 3055,
Dover, DE 19901-3530

Ph: (302) 480-1688
Alissa Gregersen, AG-ACNP
640 S State St,
Dover, DE 19901-3530

Ph: (302) 674-4700

Reviews and Comments


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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.