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DR. LEONIDAS GEORGE FOX MD
NPI 1457338808
Anesthesiology in Dallas, TX

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
93.5/100
CMS Quality Rating
6606 LYNDON B JOHNSON FWY STE 200, DALLAS, TX 75240(972) 233-1999 Get Directions Write a Review

NPPES record last updated: May 21, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Leonidas George Fox Md NPPES

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

DR. LEONIDAS GEORGE FOX MD (NPI 1457338808) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (H8049) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center Grapevine, and maintains a secondary practice location in Dallas.

NPPES Registry Identity

NPI1457338808
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. LEONIDAS GEORGE FOXCredential: MD
Location Address6606 LYNDON B JOHNSON FWY STE 200Dallas, TX 75240-6524
Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 233-1999 · Fax (972) 233-3666
Phone(972) 233-1999
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 1989
Enumeration DateDecember 28, 2005
Last NPPES UpdateMay 21, 2020
NPPES CertifiedMay 21, 2020
✔ NPI 1457338808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · H8049
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
6606 LYNDON B JOHNSON FWY STE 200, Dallas, TX 75240
Open in Google Maps ↗

Secondary Practice Location 1

Location 113737 Noel Rd, Ste 1400Dallas, TX 75240 · Phone (972) 715-5000 · Fax (972) 715-9976

Other Identifiers 8

Other123510307TX · Medicaid Cshcn
Medicaid123510301TX
Medicaid123510306TX
Other050064825TX · Railroad
Medicaid123510305TX
Other83777KTX · Bcbs
Medicaid123510302TX
Other123510308TX · Medicaid Cshcn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare.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

Dr. Leonidas George Fox Md 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 ID4486614799
PECOS Enrollment IDI20041012000817
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Leonidas Fox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

U. S. Anesthesia Partners Of Texas, P.A.,
231 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

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on nose and sinuses 00160
Anesthesia for procedures on the nose and sinuses involves administering medication to block sensation, ensuring comfort during the procedure. It can be local (numbing a specific area) or general (you're asleep). This helps prevent pain and discomfort during the procedure.
11 services11 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients
Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938
This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Baylor Scott & White Medical Center Grapevine

Acute Care Hospitals · Grapevine, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450563
Location1650 W College StGrapevine, TX 76051 · Tarrant County
Emergency services Birthing friendly

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.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

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.

DR. JEFFREY WARDE JORDAN MD
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000
JOYCE YEN-CHU CHAO CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000
DR. EMILY ARLENE EILERS M.D.
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
GERALD REED CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
DR. TAMMY PHAM NGUYEN DO
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
GREG A VANZANT MD
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
SONIA DELICIA ESTES CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
KATHRYN ANN HATWIG CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000

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 Leonidas Fox's NPI number?

The NPI number for Leonidas Fox is 1457338808. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Leonidas Fox located?

Leonidas Fox practices at 6606 Lyndon B Johnson Fwy Ste 200, Dallas, TX 75240. The listed phone number is (972) 233-1999.

What is Leonidas Fox's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Leonidas Fox enrolled in Medicare?

Yes. Leonidas Fox 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 organization bills Medicare for Leonidas Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leonidas Fox reassigns Medicare benefits to U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). The 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 Leonidas Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leonidas Fox accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Molina Healthcare list Leonidas Fox 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 Leonidas Fox affiliated with any hospitals?

According to CMS data, Leonidas Fox is affiliated with Baylor Scott & White Medical Center Grapevine.

When was this NPI record last updated?

The NPPES record for Leonidas Fox was last updated on May 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.