Yi Chen, NP
- Part D claims, 2024
- 1,217
- Hospital affiliations
- 3
- Industry payments
- $1,665
- Medical group
- 1
- State license
- 1
- Practice address
- 4721 Dallas Ranch Rd, Antioch, CA 94531
- Practice phone
- Call (925) 778-0679
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Epic Care
Antioch, California
Find Yi Chen's professional email, personal email and mobile number
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Yi Chen is a family nurse practitioner in Antioch, California
Yi Chen practices at Epic Care in Antioch, California.
Yi Chen's NPI, 1013621184, was assigned on January 12, 2023. Yi Chen holds California license 95023865.
- NPI
- 1013621184NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022467133
- NPI enumeration date
- January 12, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 778-0679
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Yi Chen practices at Epic Care in Antioch, California
Yi Chen's primary practice is Epic Care, at 4721 Dallas Ranch Rd, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 778-0679.
- Epic Care4721 Dallas Ranch Rd, Antioch, CA 94531 · Contra Costa CountyPhone(925) 778-0679
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Yi Chen is affiliated with 5 sites of care and 1 medical group
Yi Chen's primary practice is Epic Care in Antioch, California. Yi Chen is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Epic Care. Dmand AI also links Yi Chen to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Yi Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Yi Chen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Epic Care | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Yi Chen is one of 13,532 family nurse practitioners in California
Family is Yi Chen's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Yi Chen is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Yi Chen
Counts of family nurse practitioners 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
Yi Chen's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Yi Chen's median patient age at 70, with 66% women.
Yi 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 70
Patient panel by sex, all payers
- Women66%
- Men24%
Source: Dmand AI Patient Panel Data
Yi Chen wrote 1,217 Medicare Part D claims in 2024
In 2024, Yi Chen wrote 1,217 Medicare Part D claims for 313 patients. 81% of them were for generic drugs.
Yi Chen's Part D claims by kind of drug, 2024
- Generic989 claims81%
- Brand-name228 claims19%
Drug classes CMS tracks in Yi Chen's Part D claims, 2024
- Opioids12%144 of 1,217 claims
- Antibiotics3%40 of 1,217 claims
- Antipsychotics, patients 65 and over2%20 of 1,217 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Yi Chen offers telehealth to Medicare patients
Yi Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Yi Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Yi Chen received $1,665 in industry payments in 2025
CMS Open Payments shows 65 general payments to Yi Chen from 24 drug and device companies in 2025. Food and beverage make up the largest share, 88% of the total. AstraZeneca Pharmaceuticals LP paid the most, $303.
General payments to Yi Chen by kind, 2025 to 2025
- Food and beverage$1,46588%
- Education$20012%
Companies that paid Yi Chen 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 Yi 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Yi 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 Yi Chen's NPI number?
Yi Chen's NPI number is 1013621184. It was assigned on January 12, 2023, and it is active in the NPI Registry.
What does Yi Chen specialize in?
Yi Chen is a family nurse practitioner in Antioch, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Yi Chen practice?
Yi Chen practices at 4721 Dallas Ranch Rd, Antioch, CA 94531. Yi Chen's primary practice is Epic Care in Antioch, California. Dmand AI also links Yi Chen to 2 hospitals and 1 group practice or clinic.
What is Yi Chen's office phone number?
The practice phone on file for Yi Chen is (925) 778-0679.
What is Yi Chen's medical license number?
Yi Chen holds California license 95023865.
Which hospitals is Yi Chen affiliated with?
Yi Chen is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI links Yi Chen to 2 more hospitals.
What medical group is Yi Chen part of?
Yi Chen is linked to Epic Care.
Does Yi Chen accept Medicare?
Yes. CMS lists Yi Chen as accepting Medicare assignment.
Does Yi Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Yi Chen as offering telehealth services.
Has Yi Chen received payments from drug or device companies?
CMS Open Payments shows $1,665 in general payments to Yi Chen from 24 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Yi Chen been practicing?
Yi Chen graduated from medical school in 2022, 4 years ago.
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