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DAVID S WILLIFORD CRNA
NPI 1811218365
Nurse Anesthetist, Certified Registered in Houston, TX

Active since June 18, 2010Accepts Medicare Assignment
82.38/100
CMS Quality Rating
6411 FANNIN ST, HOUSTON, TX 77030(713) 500-6200 Get Directions Write a Review

NPPES record last updated: August 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2023, Aug 10, 2023 (2 updates tracked since 2023).

About David S Williford Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID S WILLIFORD CRNA (NPI 1811218365) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (AP119097) and active in the NPI registry since June 2010. He is affiliated with Harris Health System and is a graduate of Other (2010).

NPPES Registry Identity

NPI1811218365
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameDAVID S WILLIFORDCredential: CRNA
Location Address6411 FANNIN STHouston, TX 77030-1501
Mailing AddressPo Box 201088Houston, TX 77216-1088 · (713) 500-3500 · Fax (713) 500-8630
Phone(713) 500-6200
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 18, 2010
Last NPPES UpdateAugust 14, 20232 updates tracked since enumeration
NPPES CertifiedAugust 14, 2023
✔ NPI 1811218365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in TX · AP119097✔ Licensed in TX · 697978
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedAnesthesiologyTaxonomy 207L00000X · License AP119097 (TX)
6411 FANNIN ST, Houston, TX 77030
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David S Williford Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315071917
PECOS Enrollment IDI20100818000669

Medicare Billing Reassignments

6

Medicare enrollment records show David Williford reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ut Physicians
0.1 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325
U. S. Anesthesia Partners Of Texas, P.A.,
10 mi
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809
Bahec LLC
20 mi
Anesthesiology
1015 MEDICAL CENTER BLVD, STE. 1500
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 32 clinicians in this Medicare group
NPI 1497079701 (832) 240-4644
Endo Sedation LLC
20 mi
Nurse Anesthetist, Certified Registered
1015 W MEDICAL CENTER BLVD STE 1200
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 710 clinicians in this Medicare group
NPI 1811464936 (281) 554-3494
Compass Anesthesia Providers PLLC
20 mi
Anesthesiology
333 N TEXAS AVE
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 403 clinicians in this Medicare group
NPI 1669829750 (281) 335-1700
Texans Anesthesia Associates PLLC
20 mi
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 clinicians in this Medicare group
NPI 1275733982 (713) 400-2990

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450617
Location500 W Medical Center BlvdWebster, TX 77598 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.23
Promoting Interoperability100
Improvement Activities40
Cost58.5

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HASHIM ZAIDI M.D.
Emergency Medicine
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-7878
DAVID BALTRUSAITIS MD
Radiology (Diagnostic Radiology)
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 797-5929
CYNTHIA MARSHA DANIS RN
Registered Nurse (Critical Care Medicine)
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 704-4000
MR. MICHAEL KENNETH HOWZE JR.
Anesthesiologist Assistant
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-7160
STEPHEN M LARSON D.M.D.
Dentist (General Practice)
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-6200
STEPHEN G HECHT M.D.
Emergency Medicine
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 704-4060
VLADIMIR MELNIKOV M.D.
Anesthesiology
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-6200
MRS. CAROL JEAN UNDERWOOD BSN RN CCRC
Registered Nurse (Critical Care Medicine)
6411 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 704-4230

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Williford's NPI number?

The NPI number for David Williford is 1811218365. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Where is David Williford located?

David Williford practices at 6411 Fannin St, Houston, TX 77030. The listed phone number is (713) 500-6200.

What is David Williford's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is David Williford enrolled in Medicare?

Yes. David Williford is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for David Williford's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Williford reassigns Medicare benefits to 6 organizations: Ut Physicians (Houston, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Bahec LLC (Webster, TX), Endo Sedation LLC (Webster, TX), Compass Anesthesia Providers PLLC (Webster, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Williford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Williford accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list David Williford as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is David Williford affiliated with any hospitals?

According to CMS data, David Williford is affiliated with Harris Health System and Hca Houston Healthcare Clear Lake.

When was this NPI record last updated?

The NPPES record for David Williford was last updated on August 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.