IndividualActive
Tsuling Chang, M.D.
NPI 1154495240 · Dermatology Physician · San Ramon, CA
Tsuling Chang, M.D. is a Dermatology Physician provider in San Ramon, CA (NPI 1154495240).
Provider details
- NPI number
- 1154495240
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G67894 (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
5601 Norris Canyon Rd
San Ramon, CA 94583-5407
Phone: (925) 866-6680
Street-level locationGet directions
Mailing address
Po Box 282
Danville, CA 94526-0282
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2009-01-16
Frequently asked questions
- What is Tsuling Chang's NPI number?
- Tsuling Chang's National Provider Identifier (NPI) is 1154495240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tsuling Chang's specialty?
- Tsuling Chang is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Tsuling Chang located?
- Tsuling Chang's practice location on file with NPPES is 5601 Norris Canyon Rd, San Ramon, CA 94583-5407.
- What is Tsuling Chang's phone number?
- The practice phone number listed in the NPPES registry for Tsuling Chang is (925) 866-6680.
- Is Tsuling Chang's NPI active?
- Yes — Tsuling Chang's NPI (1154495240) is active in the NPPES registry as of the last update on 2009-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.