Dr. Catherine C. Warner, MD
- Industry payments
- $208
- State licenses
- 5
- Year NPI issued
- 2006
- Practice address
- 10800 Magnolia Ave, Riverside, CA 92505-3043
- Practice phone
- Call (909) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Warner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Catherine C. Warner is an OB-GYN in Riverside, California
Dr. Warner practices in Riverside, California.
Dr. Warner's NPI, 1801963616, was assigned on November 29, 2006. Dr. Warner graduated from Ross University School of Medicine in 1983. Dr. Warner's California license number on file is A42846.
- NPI
- 1801963616NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (909) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Catherine C. Warner's practice address is in Riverside, California
Dr. Warner's practice address in the NPI Registry is 10800 Magnolia Ave, Riverside, CA 92505-3043. The practice phone is (909) 353-2000.
- NPI Registry address10800 Magnolia Ave, Riverside, CA 92505-3043Phone(909) 353-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Catherine C. Warner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Warner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine C. Warner is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Warner's licenses on file in 5 states: California, Arizona, Nevada, Iowa and Illinois.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Arizona license
- Nevada license
- Iowa license
- Illinois license
OB-GYNs near Dr. Warner
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Catherine C. Warner's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Warner's median patient age at 55, with 87% women.
Dr. Warner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women87%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. Catherine C. Warner received $208 in industry payments from 2018 to 2024
CMS Open Payments shows 3 general payments to Dr. Warner from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $100.
General payments to Dr. Warner by program year, 2018 to 2024
Companies that paid Dr. Warner the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine C. Warner graduated from Ross University School of Medicine
Dr. Warner graduated from Ross University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine C. Warner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Catherine C. Warner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Catherine C. Warner's NPI number?
Dr. Catherine C. Warner's NPI number is 1801963616. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine C. Warner?
Dr. Catherine C. Warner is an OB-GYN in Riverside, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Catherine C. Warner practice?
Dr. Warner practices at 10800 Magnolia Ave, Riverside, CA 92505-3043.
What is Dr. Catherine C. Warner's office phone number?
The practice phone on file for Dr. Warner is (909) 353-2000.
What is Dr. Catherine C. Warner's medical license number?
Dr. Warner's California license number on file is A42846, one of the licenses on file in 5 states.
Which states has Dr. Catherine C. Warner been licensed in?
Dmand AI has state licenses on file for Dr. Warner in California (1986 to 2025), Arizona (since 1990), Nevada (1991 to 1999), Iowa (1985 to 1994) and Illinois (1984 to 1990).
Where did Dr. Catherine C. Warner go to medical school?
Dr. Warner graduated from Ross University School of Medicine in 1983.
Has Dr. Catherine C. Warner received payments from drug or device companies?
CMS Open Payments shows $208 in general payments to Dr. Warner from 3 companies from 2018 to 2024. The largest total came from Amgen Inc.
How long has Dr. Catherine C. Warner been practicing?
Dr. Warner graduated from medical school in 1983, 43 years ago.
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