Dr Mark Henry Harder, OD - Medicare Optometrist in Modesto, CA

Dr Mark Henry Harder, OD is a medicare enrolled "Optometrist" provider in Modesto, California. His current practice location is 501 E Orangeburg Ave Ste B, Modesto, California. You can reach out to his office (for appointments etc.) via phone at (209) 596-4360.

Dr Mark Henry Harder is licensed to practice in California (license number CA07481T) 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 1093787459.

Contact Information

Dr Mark Henry Harder, OD
501 E Orangeburg Ave Ste B,
Modesto, CA 95350
(209) 596-4360
(209) 566-0685

Map and Direction




Healthcare Provider's Profile

Full NameDr Mark Henry Harder
GenderMale
SpecialityOptometrist
Location501 E Orangeburg Ave Ste B, Modesto, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093787459
  • Provider Enumeration Date: 02/01/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0648298315
  • Enrollment ID: I20051110000859

Medical Identifiers

Medical identifiers for Dr Mark Henry Harder such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093787459NPI-NPPES
SD0074810MedicaidCA
1093787459MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist CA07481T (California)Primary

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 Henry Harder 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 Henry Harder, OD
501 E Orangeburg Ave Ste B,
Modesto, CA 95350-5578

Ph: (209) 596-4360
Dr Mark Henry Harder, OD
501 E Orangeburg Ave Ste B,
Modesto, CA 95350

Ph: (209) 596-4360

Reviews and Comments


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Practice Location: 501 E Orangeburg Ave Ste B, Modesto, CA 95350
Phone: 209-596-4360    Fax: 209-566-0685

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.