TONIA R FOX MD
NPI 1023050242
Emergency Medicine in Palo Alto, CA

Q: What is Tonia Fox's NPI number?

The NPI number for Tonia Fox is 1023050242. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Tonia Fox's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Tonia Fox was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 12, 2006PECOS Enrolled

3801 MIRANDA AVE, MAIL CODE 111ER, PALO ALTO, CA 94304(650) 493-5000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Tonia R Fox Md NPPES

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

TONIA R FOX MD (NPI 1023050242) is an individual emergency medicine provider in Palo Alto, California, licensed in California (A72256) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023050242

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameTONIA R FOXCredential: MD

Location Address3801 MIRANDA AVE, MAIL CODE 111ERPalo Alto, CA 94304-1207

Mailing Address3801 Miranda Ave, Mail Code 111erPalo Alto, CA 94304-1207 · (650) 493-5000

Phone(650) 493-5000

Sole ProprietorNo

Enumeration DateJune 12, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1023050242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A72256

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3801 MIRANDA AVE, Palo Alto, CA 94304

Open in Google Maps ↗

Other Identifiers 4

Medicare UPINH74943CA

Medicare ID-Type Unspecified00A722561CA

Other00A722560CA · Blue Shield

Medicaid00A722560CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tonia R Fox Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty