Dr Mark A Gregorio, DNP, APRN, CNP, NP-C - Medicare Nurse Practitioner in New Haven, CT

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Dr Mark A Gregorio, DNP, APRN, CNP, NP-C is a medicare enrolled "Nurse Practitioner - Adult Health" in New Haven, Connecticut. His current practice location is 42 Concord St, New Haven, Connecticut. You can reach out to his office (for appointments etc.) via phone at (860) 823-0645.

Dr Mark A Gregorio is licensed to practice in Connecticut (license number 12.004539) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1598066698.

Contact Information

Dr Mark A Gregorio, DNP, APRN, CNP, NP-C
42 Concord St,
New Haven, CT 06512-4005
(860) 823-0645
Not Available

Map and Direction




Provider's Profile

Full NameDr Mark A Gregorio
GenderMale
SpecialityNurse Practitioner - Adult Health
Location42 Concord St, New Haven, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1598066698
  • Provider Enumeration Date: 11/06/2010
  • Last Update Date: 10/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6103093448
  • Enrollment ID: I20120127000001

Medical Identifiers

Medical identifiers for Dr Mark A Gregorio such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598066698NPI-NPPES
4539OtherCTAPRN
071501OtherCTRN
RN2338443OtherMARN/APRN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2200XNurse Practitioner - Adult Health 12.004539 (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. Dr Mark A Gregorio allows following entities to bill medicare on his behalf.
Entity NameAdvanced Pain And Regenerative Medical Solutions Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245014331
PECOS PAC ID: 4587002712
Enrollment ID: O20240405002424

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 Mark A Gregorio 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 Mark A Gregorio, DNP, APRN, CNP, NP-C
42 Concord St,
New Haven, CT 06512-4005

Ph: (860) 823-0645		Dr Mark A Gregorio, DNP, APRN, CNP, NP-C
42 Concord St,
New Haven, CT 06512-4005

Ph: (860) 823-0645

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.