Dr Matthew John Zak, MD - Medicare Physical Medicine & Rehabilitation in Littleton, NH

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Dr Matthew John Zak, MD is a medicare enrolled "Physical Medicine & Rehabilitation" physician in Littleton, New Hampshire. His current practice location is 551 Meadow St, Littleton, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 761-3660.

Dr Matthew John Zak is licensed to practice in New Hampshire (license number 19679) 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 1588897953.

Contact Information

Dr Matthew John Zak, MD
551 Meadow St,
Littleton, NH 03561-3615
(603) 761-3660
Not Available

Map and Direction




Physician's Profile

Full NameDr Matthew John Zak
GenderMale
SpecialityPhysical Medicine & Rehabilitation
Location551 Meadow St, Littleton, New Hampshire
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1588897953
  • Provider Enumeration Date: 09/01/2009
  • Last Update Date: 11/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2961717079
  • Enrollment ID: I20190516000682

Medical Identifiers

Medical identifiers for Dr Matthew John Zak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588897953NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208100000XPhysical Medicine & Rehabilitation 19679 (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 Matthew John Zak allows following entities to bill medicare on his behalf.
Entity NameConvenientmd Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528330180
PECOS PAC ID: 2062667033
Enrollment ID: O20130410000222
Entity NameConvenientmd - Ffs Uc Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851082291
PECOS PAC ID: 5193186492
Enrollment ID: O20230803000905

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 Matthew John Zak 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 Matthew John Zak, MD
360 Us Highway 1 Byp Unit 102,
Portsmouth, NH 03801-7105

Ph: (603) 410-6700		Dr Matthew John Zak, MD
551 Meadow St,
Littleton, NH 03561-3615

Ph: (603) 761-3660

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Littleton, NH

Lauren Delprato, D.O.
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 600 Saint Johnsbury Rd, Littleton, NH 03561
Phone: 603-444-9000    

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.