DR. TOMOS EVAN RHYS WALTERS MD, PHD
NPI 1780037192
Internal Medicine - Clinical Cardiac Electrophysiology in San Francisco, CA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RC0001X and a focus in Clinical Cardiac Electrophysiology.

Active since July 20, 2016PECOS Enrolled

500 PARNASSUS AVENUE, UNIVERSITY OF CALIFORNIA SAN FRANCISCO, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record last updated: July 20, 2016. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Tomos Evan Rhys Walters Md, Phd NPPES

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

DR. TOMOS EVAN RHYS WALTERS MD, PHD (NPI 1780037192) is an individual clinical cardiac electrophysiology provider in San Francisco, California, licensed in California (F 441) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780037192

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. TOMOS EVAN RHYS WALTERSCredential: MD, PHD

Location Address500 PARNASSUS AVENUE, UNIVERSITY OF CALIFORNIA SAN FRANCISCOSan Francisco, CA 94143

Mailing Address550 Gene Friend Way, Apy 523San Francisco, CA 94158-2281 · (415) 802-6664

Phone(415) 476-1000

Sole ProprietorNo

Enumeration DateJuly 20, 2016

✔ NPI 1780037192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in CA · F 441

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

500 PARNASSUS AVENUE, San Francisco, CA 94143

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tomos Evan Rhys Walters Md, Phd 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 94143 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.