Siji Chacko
NPI 1649542515 · Certified Registered Nurse Anesthetist · Stanford, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siji Chacko is a Certified Registered Nurse Anesthetist provider in Stanford, CA (NPI 1649542515).
Provider details
- NPI number
- 1649542515
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 4171 (CA)
Specialties & taxonomies
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 88 Washington Square Dr88Milpitas, CA 95035-3170Phone: (408) 942-7538
- 88 Washington Square Dr88Milpitas, CA 95035-3170Phone: (408) 942-7538
Registry dates
- Enumerated
- 2012-02-07
- Last updated
- 2021-12-30
Frequently asked questions
- What is Siji Chacko's NPI number?
- Siji Chacko's National Provider Identifier (NPI) is 1649542515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siji Chacko's specialty?
- Siji Chacko is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siji Chacko located?
- Siji Chacko's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Siji Chacko's phone number?
- The practice phone number listed in the NPPES registry for Siji Chacko is (650) 723-6411.
- Does Siji Chacko accept Medicare?
- Siji Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siji Chacko's NPI active?
- Yes — Siji Chacko's NPI (1649542515) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.