Dr Mark J Den Hartog, DC - Medicare Chiropractor in Eugene, OR

Dr Mark J Den Hartog, DC is a medicare enrolled "Chiropractor" provider in Eugene, Oregon. He went to Northwestern College Of Chiropractic and graduated in 1992 and has 34 years of diverse experience with area of expertise as Chiropractic. His current practice location is 225 E 4th Ave, Eugene, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 762-4807.

Dr Mark J Den Hartog is licensed to practice in Oregon (license number 6485) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1023081155.

Contact Information

Dr Mark J Den Hartog, DC
225 E 4th Ave,
Eugene, OR 97401-2429
(541) 762-4807
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDr Mark J Den Hartog
GenderMale
SpecialityChiropractic
Experience34 Years
Location225 E 4th Ave, Eugene, Oregon
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark J Den Hartog attended and graduated from Northwestern College Of Chiropractic in 1992
  NPI Data:
  • NPI Number: 1023081155
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 06/24/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 7618910738
  • Enrollment ID: I20251209004243

Medical Identifiers

Medical identifiers for Dr Mark J Den Hartog such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023081155NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
111N00000XChiropractor 6485 (Oregon)Primary
111N00000XChiropractor 60741817 (Washington)Secondary

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 Mark J Den Hartog 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 Mark J Den Hartog, DC
225 E 4th Ave,
Eugene, OR 97401-2429

Ph: (541) 762-4807
Dr Mark J Den Hartog, DC
225 E 4th Ave,
Eugene, OR 97401-2429

Ph: (541) 762-4807

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.