IndividualActive
Tiffany Guan, PHARMD
NPI 1093421562 · Oncology Pharmacist · San Francisco, CA
Tiffany Guan, PHARMD is a Oncology Pharmacist provider in San Francisco, CA (NPI 1093421562).
Provider details
- NPI number
- 1093421562
- Entity type
- Individual
- Primary specialty
- Oncology PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 82524 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-1850
Street-level locationGet directions
Mailing address
601 Easton Ave
San Bruno, CA 94066-3502
Registry dates
- Enumerated
- 2023-01-27
- Last updated
- 2023-01-27
- Certified
- 2023-01-26
Frequently asked questions
- What is Tiffany Guan's NPI number?
- Tiffany Guan's National Provider Identifier (NPI) is 1093421562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Guan's specialty?
- Tiffany Guan is listed in the NPPES registry with a primary specialty of Oncology Pharmacist (Pharmacy Service Providers).
- Where is Tiffany Guan located?
- Tiffany Guan's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Tiffany Guan's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Guan is (415) 353-1850.
- Is Tiffany Guan's NPI active?
- Yes — Tiffany Guan's NPI (1093421562) is active in the NPPES registry as of the last update on 2023-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.