Iris Tso, PA-C
NPI 1487427621 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Iris Tso, PA-C is a Physician Assistant provider in Stanford, CA (NPI 1487427621).
Provider details
- NPI number
- 1487427621
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 1636 19th AveSan Francisco, CA 94122-3419Phone: (510) 861-6316
Registry dates
- Enumerated
- 2023-10-31
- Last updated
- 2025-01-29
- Certified
- 2025-01-29
Frequently asked questions
- What is Iris Tso's NPI number?
- Iris Tso's National Provider Identifier (NPI) is 1487427621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iris Tso's specialty?
- Iris Tso is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Iris Tso located?
- Iris Tso's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Iris Tso's phone number?
- The practice phone number listed in the NPPES registry for Iris Tso is (506) 723-4000.
- Does Iris Tso accept Medicare?
- Iris Tso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Iris Tso's NPI active?
- Yes — Iris Tso's NPI (1487427621) is active in the NPPES registry as of the last update on 2025-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.