Mark C Sullivan, PA-C - Medicare Physician Assistant in Portsmouth, NH

Mark C Sullivan, PA-C is a medicare enrolled "Physician Assistant - Surgical" in Portsmouth, New Hampshire. He graduated from nursing school in 1992 and has 32 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Appledore Medical Group Inc and his current practice location is 333 Borthwick Avenue, Suite 402, Portsmouth, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 559-4111.

Mark C Sullivan is licensed to practice in New Hampshire (license number 0238P) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1225075328.

Contact Information

Mark C Sullivan, PA-C
333 Borthwick Avenue, Suite 402,
Portsmouth, NH 03801
(603) 559-4111
(603) 663-6822

Map and Direction




Provider's Profile

Full NameMark C Sullivan
GenderMale
SpecialityPhysician Assistant
Experience32 Years
Location333 Borthwick Avenue, Portsmouth, New Hampshire
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark C Sullivan graduated from nursing school in 1992
  NPI Data:
  • NPI Number: 1225075328
  • Provider Enumeration Date: 05/31/2006
  • Last Update Date: 10/04/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9638155658
  • Enrollment ID: I20040629000505

Medical Identifiers

Medical identifiers for Mark C Sullivan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225075328NPI-NPPES
3076816MedicaidNH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AS0400XPhysician Assistant - Surgical PA 880 (Maine)Secondary
363AS0400XPhysician Assistant - Surgical 0238P (New Hampshire)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Portsmouth Regional HospitalPortsmouth, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Appledore Medical Group Inc569866615489

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. Mark C Sullivan 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
Mark C Sullivan, PA-C
333 Borthwick Avenue, Suite 402,
Portsmouth, NH 03801

Ph: (603) 559-4111
Mark C Sullivan, PA-C
333 Borthwick Avenue, Suite 402,
Portsmouth, NH 03801

Ph: (603) 559-4111

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.