DR. JAMES ALVIN BARTLEY MD, PH.D.
NPI 1184620411
Medical Genetics - Clinical Genetics (M.D.) in Riverside, CA
About Dr. James Alvin Bartley Md, Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES ALVIN BARTLEY MD, PH.D. (NPI 1184620411) is an individual clinical genetics (m.d.) provider in Riverside, California, licensed in California (G31441) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Alvin Bartley Md, Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show James Bartley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92501
RIVERSIDE, CA 92501
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Bartley's NPI number?
The NPI number for James Bartley is 1184620411. It was assigned to this individual provider in the NPPES registry on June 22, 2005.
Where is James Bartley located?
James Bartley practices at 4000 14th St Suite # 310, Riverside, CA 92501. The listed phone number is (909) 633-6578.
What is James Bartley's specialty?
The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.
Is James Bartley enrolled in Medicare?
Yes. James Bartley is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Bartley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Bartley reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Riverside, CA) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Bartley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Bartley was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. James Alvin Bartley, MD, PH.D. · NPI 1184620411
Clinical Genetics (M.D.) physician in Riverside, California. Individual provider, active in the CMS NPPES registry since June 22, 2005.
## Identity
- **NPI:** 1184620411 (Entity type: Individual)
- **Enumerated:** June 22, 2005
- **Primary specialty:** Medical Genetics - Clinical Genetics (M.D.) · taxonomy 207SG0201X
- **State license:** G31441 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4000 14TH ST, SUITE # 310, Riverside, CA 92501-4083
- **Phone:** (909) 633-6578 · **Fax:** (909) 533-2342
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Faculty Physicians And Surgeons Of Llusm (NPI 1518401546, Riverside, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Medicaid G314410 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1184620411) · Data from the CMS NPPES public registry.