Mariah Leigh Messina, PA-C - Medicare Physician Assistant in Riverhead, NY

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Mariah Leigh Messina, PA-C is a medicare enrolled "Physician Assistant - Medical" in Riverhead, New York. She graduated from nursing school in 2019 and has 7 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Midtown Dermatology Services Pc and her current practice location is 31 Main Rd Ste 2, Riverhead, New York. You can reach out to her office (for appointments etc.) via phone at (631) 740-9273.

Mariah Leigh Messina is licensed to practice in New York (license number 024517) 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 1285272740.

Contact Information

Mariah Leigh Messina, PA-C
31 Main Rd Ste 2,
Riverhead, NY 11901-1953
(631) 740-9273
Not Available

Map and Direction




Provider's Profile

Full NameMariah Leigh Messina
GenderFemale
SpecialityPhysician Assistant
Experience7 Years
Location31 Main Rd Ste 2, Riverhead, New York
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:
  • Mariah Leigh Messina graduated from nursing school in 2019
  NPI Data:
  • NPI Number: 1285272740
  • Provider Enumeration Date: 12/16/2019
  • Last Update Date: 12/16/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 6305272501
  • Enrollment ID: I20200206002355

Medical Identifiers

Medical identifiers for Mariah Leigh Messina such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285272740NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical 024517 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midtown Dermatology Services Pc761826340110

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. Mariah Leigh Messina allows following entities to bill medicare on her behalf.
Entity NameSuffolk Dermatology PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508234113
PECOS PAC ID: 5991005142
Enrollment ID: O20151120000200
Entity NameMidtown Dermatology Services PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285082073
PECOS PAC ID: 7618263401
Enrollment ID: O20160902000738

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. Mariah Leigh Messina 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
Mariah Leigh Messina, PA-C
47 Deep Hole Rd,
Calverton, NY 11933-1431

Ph: (631) 466-4294		Mariah Leigh Messina, PA-C
31 Main Rd Ste 2,
Riverhead, NY 11901-1953

Ph: (631) 740-9273

Reviews and Comments


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Ms. Fizzah Idrees,
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Phone: 631-591-3093    Fax: 631-317-1010

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.