Christina Massuros, PA
NPI 1386305076 · Physician Assistant · Simi Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Massuros, PA is a Physician Assistant provider in Simi Valley, CA (NPI 1386305076).
Provider details
- NPI number
- 1386305076
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 4822 1/2 Santa Ana StCudahy, CA 90201-6289Phone: (818) 468-5755
Registry dates
- Enumerated
- 2022-01-04
- Last updated
- 2022-08-08
- Certified
- 2022-08-08
Frequently asked questions
- What is Christina Massuros's NPI number?
- Christina Massuros's National Provider Identifier (NPI) is 1386305076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Massuros's specialty?
- Christina Massuros is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Massuros located?
- Christina Massuros's practice location on file with NPPES is 3605 Alamo St Ste 200, Simi Valley, CA 93063-2186.
- What is Christina Massuros's phone number?
- The practice phone number listed in the NPPES registry for Christina Massuros is (805) 578-8550.
- Does Christina Massuros accept Medicare?
- Christina Massuros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Massuros's NPI active?
- Yes — Christina Massuros's NPI (1386305076) is active in the NPPES registry as of the last update on 2022-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.