Mark Leo Timmerman, MD - Medicare Family Practice in Merrimack, NH

Mark Leo Timmerman, MD is a medicare enrolled "Family Medicine" physician in Merrimack, New Hampshire. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Family Practice. His current practice location is 454 Daniel Webster Hwy, Merrimack, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 424-8120.

Mark Leo Timmerman is licensed to practice in New Hampshire (license number NH 7663) 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 1972525574.

Contact Information

Mark Leo Timmerman, MD
454 Daniel Webster Hwy,
Merrimack, NH 03054-3699
(603) 424-8120
(603) 424-8140

Map and Direction




Physician's Profile

Full NameMark Leo Timmerman
GenderMale
SpecialityFamily Practice
Experience40 Years
Location454 Daniel Webster Hwy, Merrimack, 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 Leo Timmerman attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1984
  NPI Data:
  • NPI Number: 1972525574
  • Provider Enumeration Date: 07/24/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7719927060
  • Enrollment ID: I20050506000067

Medical Identifiers

Medical identifiers for Mark Leo Timmerman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972525574NPI-NPPES
140824540OtherMABC/BS MASS BILLING #
30D0084963OtherNHCLIA NUMBER
0103422YPNH01OtherNHBC/BS INDIVIDUAL NUMBER
NH 7663OtherNHNH STATE LICENSE
B86207OtherNHHPHC BILLING NUMBER
50Y095600NH01OtherNHBC/BS NH GROUP NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine NH 7663 (New Hampshire)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Southern Nh Medical CenterNashua, NHHospital
Elliot HospitalManchester, NHHospital
St Joseph HospitalNashua, NHHospital

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 Leo Timmerman 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 Leo Timmerman, MD
454 Daniel Webster Hwy,
Merrimack, NH 03054-3695

Ph: (603) 424-8120
Mark Leo Timmerman, MD
454 Daniel Webster Hwy,
Merrimack, NH 03054-3699

Ph: (603) 424-8120

Reviews and Comments


Family Medicine Doctors in Merrimack, NH

Dr. Edward Brooks Hall, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 294 Daniel Webster Hwy, Merrimack, NH 03054
Phone: 603-424-4713    Fax: 603-424-2915
Dr. Nicola Kernan, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4 Dobson Way, Merrimack, NH 03054
Phone: 603-424-4181    
Dr. Christopher Couture, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 696 Daniel Webster Hwy, Merrimack, NH 03054
Phone: 603-429-3155    Fax: 603-424-8693
Dr. William Stewart Blackwood, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 382 Daniel Webster Hwy, Merrimack, NH 03054
Phone: 603-424-4181    
Dr. Gregory Williams,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 382 Dw Hwy, Merrimack, NH 03054
Phone: 603-424-4181    
Dr. Anica Naprta, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 7 Executive Park Drive, Home Health & Hospice Care, Merrimack, NH 03054
Phone: 603-882-2941    Fax: 603-429-1844
Dr. Archie W Dickinson, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 294 Daniel Webster Hwy, Dartmouth Hitchcock - Family Medicine, Merrimack, NH 03054
Phone: 603-424-4713    

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.