William Tong, M.D.
NPI 1457354110 · General Practice Physician · Watsonville, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tong, M.D. is a General Practice Physician provider in Watsonville, CA (NPI 1457354110).
Provider details
- NPI number
- 1457354110
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G43285 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2010-02-08
Frequently asked questions
- What is William Tong's NPI number?
- William Tong's National Provider Identifier (NPI) is 1457354110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tong's specialty?
- William Tong is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Tong located?
- William Tong's practice location on file with NPPES is 1505 Main St, Watsonville, CA 95076-3761.
- What is William Tong's phone number?
- The practice phone number listed in the NPPES registry for William Tong is (831) 722-1444.
- Does William Tong accept Medicare?
- William Tong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tong's NPI active?
- Yes — William Tong's NPI (1457354110) is active in the NPPES registry as of the last update on 2010-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.