1. Home
  2. Directory
  3. California
  4. Pomona
  5. Family Medicine
  6. NPI Profile

DR. ROBERT JAMES WARREN DO
NPI 1760594717
Family Medicine in Pomona, CA

Active since August 31, 2006PECOS Enrolled
795 E SECOND ST, SUITE 5, POMONA, CA 91766(909) 865-2565(909) 865-2955 Get Directions Write a Review

NPPES record last updated: June 15, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert James Warren Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT JAMES WARREN DO (NPI 1760594717) is an individual family medicine provider in Pomona, California, licensed in California (20A11782) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760594717
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ROBERT JAMES WARRENCredential: DO
Location Address795 E SECOND ST, SUITE 5Pomona, CA 91766-2007
Mailing Address795 E Second St, Suite 5Pomona, CA 91766-2007 · (909) 865-2565 · Fax (909) 865-2955
Phone(909) 865-2565
Fax(909) 865-2955
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateJune 15, 2012
✔ NPI 1760594717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · 20A11782✔ Licensed in TX · L6712
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
795 E SECOND ST, Pomona, CA 91766
Open in Google Maps ↗

Other Identifiers 6

OtherFN061ZMedicare - So Ca
Medicare UPINI27484
Medicare ID-Type Unspecified8D4452TX
Other8H9791Bc Bs Tx
Medicaid177015801TX
MedicaidRENDERINGCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert James Warren Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Robert Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western University Of Health Sciences
0.9 mi
Optometrist
795 E. SECOND STREET, SUITE 2
Pomona, CA 91766
  • Reassigned Medicare billing, California enrollment
  • 82 clinicians in this Medicare group
NPI 1245467885 (909) 706-3899

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91766 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VALERIE QUAN OD
Optometrist
795 E SECOND ST, SUITE 2
POMONA, CA 91766
Los Angeles County (909) 706-3899
DR. JARROD MATTHEW SHAPIRO DPM
Podiatrist
795 E SECOND ST, SUITE 7
POMONA, CA 91766
Los Angeles County (909) 706-3877
DR. HEIDI MOC PHARM.D.
Pharmacist
795 E SECOND ST, SUITE #1
POMONA, CA 91766
Los Angeles County (909) 706-3730
JENNIFER NICOLE BELTRAN
Student in an Organized Health Care Education/Training Program
795 E SECOND ST, THIRD FLOOR SUITE 8
POMONA, CA 91766
Los Angeles County (909) 706-3910
DR. RUDOLF MIRELES PHARM D
Pharmacist
795 E SECOND ST, SUITE 1
POMONA, CA 91766
Los Angeles County (909) 706-3730

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 Robert Warren's NPI number?

The NPI number for Robert Warren is 1760594717. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Robert Warren located?

Robert Warren practices at 795 E Second St Suite 5, Pomona, CA 91766. The listed phone number is (909) 865-2565.

What is Robert Warren's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Robert Warren enrolled in Medicare?

Yes. Robert Warren is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Warren reassigns Medicare benefits to Western University Of Health Sciences (Pomona, CA). The 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 Robert Warren'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 Robert Warren was last updated on June 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.