IndividualActive
Hon Chan, M.D.
NPI 1265529549 · Internal Medicine Physician · Vacaville, CA
Hon Chan, M.D. is a Internal Medicine Physician provider in Vacaville, CA (NPI 1265529549).
Provider details
- NPI number
- 1265529549
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49302 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
770 Mason St
Vacaville, CA 95688-4646
Phone: (707) 454-5800
Street-level locationGet directions
Mailing address
10470 Old Placerville Rd
Sacramento, CA 95827-2539
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2015-07-22
Frequently asked questions
- What is Hon Chan's NPI number?
- Hon Chan's National Provider Identifier (NPI) is 1265529549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hon Chan's specialty?
- Hon Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hon Chan located?
- Hon Chan's practice location on file with NPPES is 770 Mason St, Vacaville, CA 95688-4646.
- What is Hon Chan's phone number?
- The practice phone number listed in the NPPES registry for Hon Chan is (707) 454-5800.
- Is Hon Chan's NPI active?
- Yes — Hon Chan's NPI (1265529549) is active in the NPPES registry as of the last update on 2015-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.