Hisham Maassarani, CRNA
NPI 1043788615 · Certified Registered Nurse Anesthetist · Fontana, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hisham Maassarani, CRNA is a Certified Registered Nurse Anesthetist provider in Fontana, CA (NPI 1043788615).
Provider details
- NPI number
- 1043788615
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 95000979 (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
7 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
Mailing address
Registry dates
- Enumerated
- 2018-11-12
- Last updated
- 2021-11-29
Frequently asked questions
- What is Hisham Maassarani's NPI number?
- Hisham Maassarani's National Provider Identifier (NPI) is 1043788615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hisham Maassarani's specialty?
- Hisham Maassarani is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hisham Maassarani located?
- Hisham Maassarani's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Hisham Maassarani's phone number?
- The practice phone number listed in the NPPES registry for Hisham Maassarani is (909) 302-4886.
- Does Hisham Maassarani accept Medicare?
- Hisham Maassarani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hisham Maassarani's NPI active?
- Yes — Hisham Maassarani's NPI (1043788615) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.