ALTHEA KAREN FOX CRNA
NPI 1639133101
Nurse Anesthetist, Certified Registered in Houston, TX

Q: What is Althea Fox's NPI number?

The NPI number for Althea Fox is 1639133101. It was assigned to this individual provider in the NPPES registry on April 13, 2006.

Q: What is Althea Fox's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Althea Fox was last updated on July 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since April 13, 2006Accepts Medicare Assignment

1635 NORTH LOOP WEST, HOUSTON, TX 77008(713) 400-2990(713) 400-2993 Get Directions Write a Review

NPPES record last updated: July 30, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Althea Karen Fox Crna NPPES

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

ALTHEA KAREN FOX CRNA (NPI 1639133101) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (RN567690) and active in the NPI registry since April 2006. She is a graduate of Other (1996).

NPPES Registry Identity

NPI1639133101

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameALTHEA KAREN FOXCredential: CRNA

Location Address1635 NORTH LOOP WESTHouston, TX 77008-1593

Mailing AddressPo Box 22926Jackson, MS 39225-2926 · (713) 400-2990 · Fax (713) 400-2993

Phone(713) 400-2990

Fax(713) 400-2993

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateApril 13, 2006

Last NPPES UpdateJuly 30, 2018

✔ NPI 1639133101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

Licenses✔ Licensed in TX · RN567690✔ Licensed in TX · AP107817✔ Licensed in TX · 567690

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.

1635 NORTH LOOP WEST, Houston, TX 77008

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Other Identifiers 2

Medicaid003412605TX

Other046160TX · Aana Recertification

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

Althea Karen Fox 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 ID9830147438

PECOS Enrollment IDI20050111000240

Medicare Billing Reassignments

Medicare enrollment records show Althea Fox reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dynamic Anesthesia Providers PLLC

2.8 mi

Anesthesiology

510 W TIDWELL RD
Houston, TX 77091

Reassigned Medicare billing, Texas enrollment
319 clinicians in this Medicare group

NPI 1346752326 (832) 465-3514

Texans Anesthesia Associates PLLC

26 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

Orthomed Staffing LLC

232 mi

Anesthesiology

15305 DALLAS PKWY STE 900
Addison, TX 75001

Reassigned Medicare billing, Texas enrollment
513 clinicians in this Medicare group

NPI 1225514276 (469) 863-9978

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77008 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.

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.

STEVE LING WANG JR. MD

Anesthesiology