Dr. Ruby Chien, MD
- Part D claims, 2024
- 66
- Hospital affiliations
- 1
- Industry payments
- $17
- Medical group
- 1
- State license
- 1
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chien'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. Ruby Chien is an internist in Orange, California
Dr. Chien practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Chien's NPI, 1417650227, was assigned on March 22, 2023. Dr. Chien holds California license A201192.
- NPI
- 1417650227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951743442
- NPI enumeration date
- March 22, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruby Chien practices at UCI Health - Orange in Orange, California
Dr. Chien's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Ruby Chien is affiliated with 1 site of care and 1 medical group
Dr. Chien's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ruby Chien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ruby Chien is one of 16,751 internists in California
Internal medicine is Dr. Chien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chien is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chien
Counts of internists 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. Ruby Chien's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Chien's median patient age at 62, with 52% women.
Dr. Chien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Ruby Chien wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Chien wrote 66 Medicare Part D claims for 27 patients. 88% of them were for generic drugs.
Dr. Chien's Part D claims by kind of drug, 2024
- Generic58 claims88%
- Brand-name and other8 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ruby Chien takes part in Medicare
Dr. Chien 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. Ruby Chien received $17 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Chien from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $17.
Companies that paid Dr. Chien the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ruby Chien'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 (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) |
| 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. Ruby Chien
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. Ruby Chien's NPI number?
Dr. Ruby Chien's NPI number is 1417650227. It was assigned on March 22, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruby Chien?
Dr. Ruby Chien is an internist in Orange, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ruby Chien practice?
Dr. Chien practices at 101 City Drive South, Orange, CA 92868. Dr. Chien's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine.
What is Dr. Ruby Chien's office phone number?
The practice phone on file for Dr. Chien is (714) 456-7890.
What is Dr. Ruby Chien's medical license number?
Dr. Chien holds California license A201192.
Which hospitals is Dr. Ruby Chien affiliated with?
Dr. Chien practices at UCI Health - Orange in Orange, California.
What medical group is Dr. Ruby Chien part of?
Dr. Chien is linked to UCI Health.
Does Dr. Ruby Chien accept Medicare?
Yes. CMS lists Dr. Chien as accepting Medicare assignment.
Has Dr. Ruby Chien received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Chien from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Ruby Chien been practicing?
Dr. Chien's NPI was assigned in 2023.
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