Dr Mark D Hahn, OD - Medicare Optometrist in Washington, IL

Dr Mark D Hahn, OD is a medicare enrolled "Optometrist" provider in Washington, Illinois. He went to Illinois College Of Optometry At Chicago and graduated in 2000 and has 24 years of diverse experience with area of expertise as Optometry. He is a member of the group practice J A K Enterprises Inc and his current practice location is 8 Cherry Tree Center, Washington, Illinois. You can reach out to his office (for appointments etc.) via phone at (309) 444-2277.

Dr Mark D Hahn is licensed to practice in Illinois (license number 04600009257) 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 1528055969.

Contact Information

Dr Mark D Hahn, OD
8 Cherry Tree Center,
Washington, IL 61571-2170
(309) 444-2277
(309) 444-2498

Map and Direction




Healthcare Provider's Profile

Full NameDr Mark D Hahn
GenderMale
SpecialityOptometry
Experience24 Years
Location8 Cherry Tree Center, Washington, Illinois
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:
  • Dr Mark D Hahn attended and graduated from Illinois College Of Optometry At Chicago in 2000
  NPI Data:
  • NPI Number: 1528055969
  • Provider Enumeration Date: 09/30/2005
  • Last Update Date: 01/04/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 6305834979
  • Enrollment ID: I20040503001285

Medical Identifiers

Medical identifiers for Dr Mark D Hahn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528055969NPI-NPPES
046009257MedicaidIL
410043928OtherILMEDICARE RAILROAD
7215175OtherILBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 04600009257 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
J A K Enterprises Inc317351901424

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 Mark D Hahn allows following entities to bill medicare on his behalf.
Provider NameJ A K Enterprises Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1508856923
PECOS PAC ID: 3173519014
Enrollment ID: O20040424000025

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 D Hahn 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 D Hahn, OD
8309 N Knoxville Ave,
Peoria, IL 61615-2170

Ph: (309) 693-9540
Dr Mark D Hahn, OD
8 Cherry Tree Center,
Washington, IL 61571-2170

Ph: (309) 444-2277

Reviews and Comments


Optometrist in Washington, IL

Dr. Todd E Funk, O.D., F.A.A.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 100 Hillcrest Dr Ste B, Washington, IL 61571
Phone: 309-444-5188    Fax: 309-444-2258
Dr. J. Allen Potter, O.D.
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Phone: 309-698-2020    Fax: 309-698-0368
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Phone: 309-698-2020    Fax: 309-698-0368
Bard Optical
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Practice Location: 8 Cherry Tree Shopping Ctr, Washington, IL 61571
Phone: 309-444-2277    Fax: 309-444-2498
Thomas Eye Care
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Medicare: Not Enrolled in Medicare
Practice Location: 1009 N Cummings Ln, Washington, IL 61571
Phone: 309-231-4134    Fax: 309-444-7110
Tri-county Eye Center
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Medicare: Medicare Enrolled
Practice Location: 100 Hillcrest Dr, Washington, IL 61571
Phone: 309-444-5188    Fax: 309-444-2258

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.