Sierra Neurodiagnostic Group LLC
NPI 1982368528 · Electrodiagnostic Medicine Physician · Fremont, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Neurodiagnostic Group LLC is a Electrodiagnostic Medicine Physician organization in Fremont, CA (NPI 1982368528).
Provider details
- NPI number
- 1982368528
- Entity type
- Organization
- Primary specialty
- Electrodiagnostic Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Masroor Sarwar, Partner(510) 372-7527
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2021-10-29
- Last updated
- 2024-09-11
- Certified
- 2021-10-29
Frequently asked questions
- What is Sierra Neurodiagnostic Group LLC's NPI number?
- Sierra Neurodiagnostic Group LLC's National Provider Identifier (NPI) is 1982368528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Neurodiagnostic Group LLC?
- Sierra Neurodiagnostic Group LLC is classified in the NPPES registry as Electrodiagnostic Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sierra Neurodiagnostic Group LLC located?
- Sierra Neurodiagnostic Group LLC's practice location on file with NPPES is 299 East Warren Ave, Fremont, CA 94539.
- What is Sierra Neurodiagnostic Group LLC's phone number?
- The practice phone number listed in the NPPES registry for Sierra Neurodiagnostic Group LLC is (510) 372-7527.
- Does Sierra Neurodiagnostic Group LLC accept Medicare?
- Sierra Neurodiagnostic Group LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sierra Neurodiagnostic Group LLC?
- The authorized official listed on Sierra Neurodiagnostic Group LLC's NPPES record is Masroor Sarwar, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Neurodiagnostic Group LLC's NPI active?
- Yes — Sierra Neurodiagnostic Group LLC's NPI (1982368528) is active in the NPPES registry as of the last update on 2024-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.