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DR. WILLIAM WAH TOM D.D.S., M.D.
NPI 1174697676
Dentist - Oral and Maxillofacial Surgery in San Francisco, CA

Active since November 17, 2006PECOS Enrolled
490 POST ST, SUITE 1233, SAN FRANCISCO, CA 94102(415) 392-3122(415) 392-6237 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Wah Tom D.d.s., M.d. NPPES

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

DR. WILLIAM WAH TOM D.D.S., M.D. (NPI 1174697676) is an individual oral and maxillofacial surgery provider in San Francisco, California, licensed in California (32771) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174697676
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. WILLIAM WAH TOMCredential: D.D.S., M.D.
Location Address490 POST ST, SUITE 1233San Francisco, CA 94102-1401
Mailing Address490 Post St, Suite 1233San Francisco, CA 94102-1401 · (415) 392-3122 · Fax (415) 392-6237
Phone(415) 392-3122
Fax(415) 392-6237
Sole ProprietorYes
Enumeration DateNovember 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1174697676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
Licenses✔ Licensed in CA · 32771✔ Licensed in CA · G075663C
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
490 POST ST, San Francisco, CA 94102
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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. William Wah Tom D.d.s., M.d. 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 94102 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

GREG ROUSSETT NP
Nurse Practitioner (Psychiatric/Mental Health)
490 POST ST
SAN FRANCISCO, CA 94102
San Francisco County (415) 296-5290
DR. MARK EDWARD PINTER DPM
Podiatrist
490 POST ST, SUITE 450
SAN FRANCISCO, CA 94102
San Francisco County (415) 781-4833
DR. ROBERT M WALLEY DDS
Dentist
490 POST ST, SUITE 1205
SAN FRANCISCO, CA 94102
San Francisco County (415) 956-5690
DR. JAMES FREDERIC COGGAN DDS
Dentist (Periodontics)
490 POST ST, SUITE 1038
SAN FRANCISCO, CA 94102
San Francisco County (415) 392-7752
DR. KASRA RASTANI M.D., PH.D.
Otolaryngology
490 POST ST, STE 848
SAN FRANCISCO, CA 94102
San Francisco County (415) 781-7220
MS. LYNN BJORK MANNIX MFT
Marriage & Family Therapist
490 POST ST, SUITE 1644
SAN FRANCISCO, CA 94102
San Francisco County (650) 575-2852
HAROLD M SCHNEIDMAN MD PROFESSIONAL CORP
Dermatology
490 POST ST, SUITE 320
SAN FRANCISCO, CA 94102
San Francisco County (415) 781-1932
SELLAN SEO DDS
Dentist (General Practice)
490 POST ST, SUITE 520
SAN FRANCISCO, CA 94102
San Francisco County (415) 986-4534

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 William Tom's NPI number?

The NPI number for William Tom is 1174697676. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is William Tom located?

William Tom practices at 490 Post St Suite 1233, San Francisco, CA 94102. The listed phone number is (415) 392-3122.

What is William Tom's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is William Tom enrolled in Medicare?

Yes. William Tom is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Tom was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.