David S Williford, CRNA - Medicare Certified Registered Nurse Anesthetist (crna) in Houston, TX

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David S Williford, CRNA is a medicare enrolled "Nurse Anesthetist, Certified Registered" physician in Houston, Texas. He graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Certified Registered Nurse Anesthetist (crna). He is a member of the group practice Ut Physicians and his current practice location is 6411 Fannin St, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (713) 500-6200.

David S Williford is licensed to practice in Texas (license number AP119097) 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 1811218365.

Contact Information

David S Williford, CRNA
6411 Fannin St,
Houston, TX 77030-1501
(713) 500-6200
Not Available

Map and Direction




Physician's Profile

Full NameDavid S Williford
GenderMale
SpecialityCertified Registered Nurse Anesthetist (crna)
Experience14 Years
Location6411 Fannin St, 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:
  • David S Williford graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1811218365
  • Provider Enumeration Date: 06/18/2010
  • Last Update Date: 08/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7315071917
  • Enrollment ID: I20100818000669

Medical Identifiers

Medical identifiers for David S Williford such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811218365NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology AP119097 (Texas)Secondary
367500000XNurse Anesthetist, Certified Registered 697978 (Texas)Secondary
367500000XNurse Anesthetist, Certified Registered AP119097 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ut Physicians84269603601400

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. David S Williford allows following entities to bill medicare on his behalf.
Entity NameUt Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033157821
PECOS PAC ID: 8426960360
Enrollment ID: O20031107000268
Entity NameTexans Anesthesia Associates Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275733982
PECOS PAC ID: 8820171390
Enrollment ID: O20080207000456
Entity NameBahec Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497079701
PECOS PAC ID: 2668503368
Enrollment ID: O20100624000341
Entity NameEndo Sedation Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588931174
PECOS PAC ID: 4789845363
Enrollment ID: O20120406000221

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. David S Williford 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
David S Williford, CRNA
Po Box 201088,
Houston, TX 77216-1088

Ph: (713) 500-3500		David S Williford, CRNA
6411 Fannin St,
Houston, TX 77030-1501

Ph: (713) 500-6200

Reviews and Comments



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.