Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sima Sharma Tiwari

Individual provider Critical Care Medicine Registered Nurse · NPI 1043904055

Sima Sharma Tiwari is a Certified Registered Nurse Anesthetist (CRNA) in Worcester, Massachusetts. Qualified in 2024, 2 years ago. Practices with Commonwealth Anesthesia Associates, Inc, a 86-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
2
Licensed in
MA
In the registry since
2023
Specialties on file
2

Practice location Address checks out

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (508) 856-3271
Fax: (508) 856-5911
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN2304583 (MA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence RN2304583 (MA)

Record details

NPI number1043904055
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 5, 2023
Last updated in NPPESSeptember 13, 2024
Certification dateSeptember 13, 2024
Mailing address438 Plantation St, Worcester, MA 01605-2328

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Commonwealth Anesthesia Associates, Inc — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Worcester