Dr William G Fach, OD - Medicare Optometrist in Houston, TX

Dr William G Fach, OD is a medicare enrolled "Optometrist" provider in Houston, Texas. He went to Indiana University - School Of Optometry and graduated in 1973 and has 51 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Med Southwest Pllc and his current practice location is 6127 Fm 1960 Rd W, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (281) 469-2020.

Dr William G Fach is licensed to practice in Texas (license number 03431TG) 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 1417941857.

Contact Information

Dr William G Fach, OD
6127 Fm 1960 Rd W,
Houston, TX 77069-4106
(281) 469-2020
(281) 469-7531

Map and Direction




Healthcare Provider's Profile

Full NameDr William G Fach
GenderMale
SpecialityOptometry
Experience51 Years
Location6127 Fm 1960 Rd W, Houston, Texas
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 William G Fach attended and graduated from Indiana University - School Of Optometry in 1973
  NPI Data:
  • NPI Number: 1417941857
  • Provider Enumeration Date: 08/31/2005
  • Last Update Date: 04/16/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5698712925
  • Enrollment ID: I20050408000478

Medical Identifiers

Medical identifiers for Dr William G Fach such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417941857NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 03431TG (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Med Southwest Pllc4082952874177

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 William G Fach allows following entities to bill medicare on his behalf.
Provider NamePlaza Eye Clinic, Pa
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1487761292
PECOS PAC ID: 5496792731
Enrollment ID: O20050408000507
Provider NameMed Southwest Pllc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1609348739
PECOS PAC ID: 4082952874
Enrollment ID: O20190221001481

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 William G Fach 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 William G Fach, OD
1950 Old Gallows Rd Ste 520,
Vienna, VA 22182-3970

Ph: (703) 847-8899
Dr William G Fach, OD
6127 Fm 1960 Rd W,
Houston, TX 77069-4106

Ph: (281) 469-2020

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.