Tiffany Chang, M.D.
NPI 1285827188 · Pediatric Hematology & Oncology Physician · San Francisco, CA
Tiffany Chang, M.D. is a Pediatric Hematology & Oncology Physician provider in San Francisco, CA (NPI 1285827188).
Provider details
- NPI number
- 1285827188
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A103533 (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
18 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
- 2007-08-23
- Last updated
- 2012-07-30
Frequently asked questions
- What is Tiffany Chang's NPI number?
- Tiffany Chang's National Provider Identifier (NPI) is 1285827188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Chang's specialty?
- Tiffany Chang is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Chang located?
- Tiffany Chang's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-0106.
- What is Tiffany Chang's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Chang is (415) 476-3831.
- Is Tiffany Chang's NPI active?
- Yes — Tiffany Chang's NPI (1285827188) is active in the NPPES registry as of the last update on 2012-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.