Dr John Stark, MD - Medicare Family Medicine in Portsmouth, NH

Dr John Stark, MD is a medicare enrolled "Family Medicine" physician in Portsmouth, New Hampshire. His current practice location is 161 Corporate Dr, Portsmouth, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 431-5154.

Dr John Stark is licensed to practice in New Hampshire (license number 9824) 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 1710927769.

Contact Information

Dr John Stark, MD
161 Corporate Dr,
Portsmouth, NH 03801-6825
(603) 431-5154
(603) 430-5033

Map and Direction




Physician's Profile

Full NameDr John Stark
GenderMale
SpecialityFamily Medicine
Location161 Corporate Dr, Portsmouth, New Hampshire
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1710927769
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 10/01/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9032133392
  • Enrollment ID: I20060125000644

Medical Identifiers

Medical identifiers for Dr John Stark such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710927769NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 9824 (New Hampshire)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 John Stark allows following entities to bill medicare on his behalf.
Entity NameMartin's Point Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366474611
PECOS PAC ID: 5991776635
Enrollment ID: O20040821000039

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 John Stark 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 John Stark, MD
Po Box 9746,
Portland, ME 04104-5040

Ph: (207) 791-3888
Dr John Stark, MD
161 Corporate Dr,
Portsmouth, NH 03801-6825

Ph: (603) 431-5154

Reviews and Comments


Family Medicine Doctors in Portsmouth, NH

Dr. Eric J Schneider, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1600 Woodbury Ave, Portsmouth, NH 03801
Phone: 603-602-9070    Fax: 603-810-6881
Jennifer Lynn Hopp, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 67 Corporate Dr Fl 2, Portsmouth, NH 03801
Phone: 603-610-8078    Fax: 603-868-8373
Michelle Bolduc, FNP
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 278 Lafayette Rd Ste E5, Portsmouth, NH 03801
Phone: 603-433-8488    Fax: 603-373-6009
Jennifer Katsu Stebbing, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Greenleaf Woods Dr Unit 102, Portsmouth, NH 03801
Phone: 603-436-0220    
Jenne R Wax, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1600 Woodbury Ave, Portsmouth, NH 03801
Phone: 603-602-9070    
Karen L Palmer, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 25 New Hampshire Ave, Suite 100, Portsmouth, NH 03801
Phone: 603-431-2516    Fax: 603-431-9945
Ala'a Alrafati, MD/DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 333 Borthwick Ave, Portsmouth, NH 03801
Phone: 603-559-4129    

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.