Dareen Nassman, PA-C
NPI 1083035984 · Physician Assistant · Montclair, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dareen Nassman, PA-C is a Physician Assistant provider in Montclair, CA (NPI 1083035984).
Provider details
- NPI number
- 1083035984
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 51319 (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
12 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
- 2013-12-18
- Last updated
- 2014-01-04
Frequently asked questions
- What is Dareen Nassman's NPI number?
- Dareen Nassman's National Provider Identifier (NPI) is 1083035984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dareen Nassman's specialty?
- Dareen Nassman is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dareen Nassman located?
- Dareen Nassman's practice location on file with NPPES is 8891 Central Ave, Montclair, CA 91763-1618.
- What is Dareen Nassman's phone number?
- The practice phone number listed in the NPPES registry for Dareen Nassman is (909) 297-3361.
- Does Dareen Nassman accept Medicare?
- Dareen Nassman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dareen Nassman's NPI active?
- Yes — Dareen Nassman's NPI (1083035984) is active in the NPPES registry as of the last update on 2014-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.