Rosslynn Byous, DPA, PAC
NPI 1407904329 · Medical Physician Assistant · Rancho Cucamonga, CA
Rosslynn Byous, DPA, PAC is a Medical Physician Assistant provider in Rancho Cucamonga, CA (NPI 1407904329).
Provider details
- NPI number
- 1407904329
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DPA, PAC
- Sex
- Female
- Sole proprietor
- No
- License
- PA11842 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 2901 N.tenth StretSuite 100Colton, CA 92324Phone: (909) 264-2500
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2026-02-09
- Certified
- 2026-02-09
Frequently asked questions
- What is Rosslynn Byous's NPI number?
- Rosslynn Byous's National Provider Identifier (NPI) is 1407904329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosslynn Byous's specialty?
- Rosslynn Byous is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rosslynn Byous located?
- Rosslynn Byous's practice location on file with NPPES is 9405 Fairway View Pl, Rancho Cucamonga, CA 91730-0932.
- What is Rosslynn Byous's phone number?
- The practice phone number listed in the NPPES registry for Rosslynn Byous is (909) 481-7345.
- Is Rosslynn Byous's NPI active?
- Yes — Rosslynn Byous's NPI (1407904329) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.