Jennifer Tsai, MD
NPI 1942542592 · Pediatric Hematology & Oncology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Tsai, MD is a Pediatric Hematology & Oncology Physician provider in Palo Alto, CA (NPI 1942542592).
Provider details
- NPI number
- 1942542592
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A140548 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1000 Welch Rd Ste 300Stanford Division of Pediatric Hematology-OncologyPalo Alto, CA 94304-1812Phone: (650) 723-5535
Registry dates
- Enumerated
- 2013-03-21
- Last updated
- 2024-04-16
- Certified
- 2024-04-16
Frequently asked questions
- What is Jennifer Tsai's NPI number?
- Jennifer Tsai's National Provider Identifier (NPI) is 1942542592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Tsai's specialty?
- Jennifer Tsai is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Tsai located?
- Jennifer Tsai's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Jennifer Tsai's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Tsai is (650) 497-8000.
- Does Jennifer Tsai accept Medicare?
- Jennifer Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Tsai's NPI active?
- Yes — Jennifer Tsai's NPI (1942542592) is active in the NPPES registry as of the last update on 2024-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.