Jason Cowen, PA
NPI 1245056688 · Physician Assistant · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Cowen, PA is a Physician Assistant provider in Rancho Cucamonga, CA (NPI 1245056688).
Provider details
- NPI number
- 1245056688
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 65813 (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
1 yr 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)
- 33562 Yucaipa BlvdSte. 4 #1112Yucaipa, CA 92399Phone: (909) 353-3570
Registry dates
- Enumerated
- 2024-12-02
- Last updated
- 2025-02-11
- Certified
- 2025-02-11
Frequently asked questions
- What is Jason Cowen's NPI number?
- Jason Cowen's National Provider Identifier (NPI) is 1245056688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Cowen's specialty?
- Jason Cowen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jason Cowen located?
- Jason Cowen's practice location on file with NPPES is 8805 Haven Ave Ste 100, Rancho Cucamonga, CA 91730-5149.
- What is Jason Cowen's phone number?
- The practice phone number listed in the NPPES registry for Jason Cowen is (909) 912-1750.
- Does Jason Cowen accept Medicare?
- Jason Cowen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Cowen's NPI active?
- Yes — Jason Cowen's NPI (1245056688) is active in the NPPES registry as of the last update on 2025-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.