Dr. Richard Timothy Chen, MD
- Part D claims, 2024
- 42
- Hospital affiliations
- 1
- Industry payments
- $572
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen'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. Richard Timothy Chen is an OB-GYN in Riverside, California
Dr. Chen practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Chen's NPI, 1053350652, was assigned on June 6, 2006. Dr. Chen graduated from MCP-Hahnemann College of Medicine in 1995. Dr. Chen holds California license A62085.
- NPI
- 1053350652NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365582491
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard Timothy Chen practices at Riverside Medical Center in Riverside, California
Dr. Chen's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Richard Timothy Chen is affiliated with 1 site of care and 1 medical group
Dr. Chen's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Richard Timothy Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Timothy Chen is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Washington license
OB-GYNs near Dr. Chen
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. Richard Timothy Chen's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 33, with 99% women.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men1%
Source: Dmand AI Patient Panel Data
Dr. Richard Timothy Chen wrote 42 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 42 Medicare Part D claims for 18 patients. 88% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $391 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic37 claims88%
- Brand-name and other5 claims12%
Dr. Chen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 176%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Richard Timothy Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Richard Timothy Chen received $572 in industry payments from 2017 to 2025
CMS Open Payments shows 12 general payments to Dr. Chen from 6 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 57% of the total. Intuitive Surgical, Inc. paid the most, $329.
General payments to Dr. Chen by program year, 2017 to 2025
General payments to Dr. Chen by kind, 2017 to 2025
- Travel and lodging$32957%
- Food and beverage$24343%
Companies that paid Dr. Chen the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard Timothy Chen graduated from MCP-Hahnemann College of Medicine
Dr. Chen graduated from MCP-Hahnemann College of Medicine in 1995.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Richard Timothy Chen accepts plans from 1 insurance carrier
Dr. Chen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Chen accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard Timothy Chen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Richard Timothy Chen
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. Richard Timothy Chen's NPI number?
Dr. Richard Timothy Chen's NPI number is 1053350652. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Timothy Chen?
Dr. Richard Timothy Chen is an OB-GYN in Riverside, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Richard Timothy Chen practice?
Dr. Chen practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Chen's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Richard Timothy Chen's office phone number?
The practice phone on file for Dr. Chen is (951) 353-2000.
What is Dr. Richard Timothy Chen's medical license number?
Dr. Chen holds California license A62085, one of the licenses on file in 2 states.
Which states has Dr. Richard Timothy Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (1997 to 2026) and Washington (1999 to 2013).
Which hospitals is Dr. Richard Timothy Chen affiliated with?
Dr. Chen practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Richard Timothy Chen part of?
Dr. Chen is linked to Southern California Permanente Medical Group.
Does Dr. Richard Timothy Chen accept Medicare?
Yes. CMS lists Dr. Chen as accepting Medicare assignment.
Is Dr. Richard Timothy Chen board certified?
Yes. Dr. Chen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
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Where did Dr. Richard Timothy Chen go to medical school?
Dr. Chen graduated from MCP-Hahnemann College of Medicine in 1995.
What drugs does Dr. Richard Timothy Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Estradiol.
Has Dr. Richard Timothy Chen received payments from drug or device companies?
CMS Open Payments shows $572 in general payments to Dr. Chen from 6 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Richard Timothy Chen been practicing?
Dr. Chen graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Richard Timothy Chen accept?
Dr. Chen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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