Catherine Chien, DDS
- Industry payments
- $14
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1755 Erringer Rd, Simi Valley, CA 93065-6507
- Practice phone
- Call (805) 522-2164
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Simi Childrens Dental Group
Dental practice · Simi Valley, California
Find Catherine 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.
Catherine Chien is a pediatric dentist in Simi Valley, California
Catherine Chien practices at Simi Childrens Dental Group in Simi Valley, California.
Catherine Chien's NPI, 1225210578, was assigned on November 28, 2007. Catherine Chien holds California license DS5570.
- NPI
- 1225210578NPI Registry (opens in a new tab)
- NPI enumeration date
- November 28, 2007
- NPI status
- Active
- Practice phone
- (805) 522-2164
- 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)
Catherine Chien practices at Simi Childrens Dental Group in Simi Valley, California
Catherine Chien's primary practice is Simi Childrens Dental Group, at 1755 Erringer Rd, Simi Valley, CA 93065-6507. The practice phone is (805) 522-2164.
- Simi Childrens Dental Group1755 Erringer Rd, Simi Valley, CA 93065-6507Phone(805) 522-2164
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine Chien is affiliated with 2 sites of care and 1 medical group
Catherine Chien's primary practice is Simi Childrens Dental Group in Simi Valley, California. Dmand AI also links Catherine Chien to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Catherine Chien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Chien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Simi Childrens Dental Group | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine Chien is one of 761 pediatric dentists in California
Pediatric dentistry is Catherine Chien's primary specialty in the NPI Registry, under taxonomy code 1223P0221X. Catherine Chien is licensed in California.
Specialties and state licenses
- Pediatric dentist, CaliforniaPrimary
Pediatric dentists near Catherine Chien
Counts of pediatric dentists 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
Catherine Chien received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Catherine Chien from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $14.
Companies that paid Catherine Chien the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Catherine 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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 Catherine 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 Catherine Chien's NPI number?
Catherine Chien's NPI number is 1225210578. It was assigned on November 28, 2007, and it is active in the NPI Registry.
What does Catherine Chien specialize in?
Catherine Chien is a pediatric dentist in Simi Valley, California. The primary specialty in the NPI Registry is Pediatric Dentist (taxonomy code 1223P0221X).
Where does Catherine Chien practice?
Catherine Chien practices at 1755 Erringer Rd, Simi Valley, CA 93065-6507. Catherine Chien's primary practice is Simi Childrens Dental Group in Simi Valley, California. Dmand AI also links Catherine Chien to 1 physician office and 1 medical group.
What is Catherine Chien's office phone number?
The practice phone on file for Catherine Chien is (805) 522-2164.
What is Catherine Chien's medical license number?
Catherine Chien holds California license DS5570.
Has Catherine Chien received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Catherine Chien from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Catherine Chien been practicing?
Catherine Chien's NPI was assigned in 2007.
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