Dr. Anton Chen, MD
- Part D claims, 2024
- 331
- Hospital affiliations
- 1
- Industry payments
- $1,512
- Medical group
- 1
- State license
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
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. Anton Chen is an otolaryngologist in Stockton, California
Dr. Chen practices at Permanente Medical Group Inc in Stockton, California.
Dr. Chen's NPI, 1083792667, was assigned on November 1, 2006. Dr. Chen graduated from University of California, San Francisco School of Medicine in 2000. Dr. Chen holds California license A94883.
- NPI
- 1083792667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153323118
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anton Chen practices at Permanente Medical Group Inc in Stockton, California
Dr. Chen's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anton Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Chen is also affiliated with Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anton 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 |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anton Chen is one of 1,107 otolaryngologists in California
Otolaryngology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Chen is licensed in California.
Specialties and state licenses
- Otolaryngology, CaliforniaPrimary
Otolaryngologists near Dr. Chen
Counts of otolaryngologists 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. Anton Chen's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 38, with 48% 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 38
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Anton Chen wrote 331 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 331 Medicare Part D claims for 130 patients. 97% of them were for generic drugs. CMS names the drug for 226 of them, across 9 drugs with 11 or more claims each, at $8,343 in total drug cost. In 2023, CMS named 187 claims across 8 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic320 claims97%
- Brand-name11 claims3%
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.
Drug classes CMS tracks in Dr. Chen's Part D claims, 2024
- Antibiotics16%52 of 331 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1872024: 22621%
Drugs named by CMS: 9 in 2024, 8 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. Anton 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. Anton Chen received $1,512 in industry payments from 2017 to 2020
CMS Open Payments shows 2 general payments to Dr. Chen from 2 drug and device companies from 2017 to 2020. Consulting fees make up the largest share, 99% of the total. Stryker Corporation paid the most, $1,500.
General payments to Dr. Chen by program year, 2017 to 2020
General payments to Dr. Chen by kind, 2017 to 2020
- Consulting fees$1,50099%
- Food and beverage$121%
Companies that paid Dr. Chen the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anton Chen graduated from University of California, San Francisco School of Medicine
Dr. Chen graduated from University of California, San Francisco School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anton 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 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 |
| 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. Anton 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. Anton Chen's NPI number?
Dr. Anton Chen's NPI number is 1083792667. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Anton Chen?
Dr. Anton Chen is an otolaryngologist in Stockton, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Anton Chen practice?
Dr. Chen practices at 7373 West Ln, Stockton, CA 95210. Dr. Chen's primary practice is Permanente Medical Group Inc in Stockton, California.
What is Dr. Anton Chen's office phone number?
The practice phone on file for Dr. Chen is (209) 476-2000.
What is Dr. Anton Chen's medical license number?
Dr. Chen holds California license A94883.
Which hospitals is Dr. Anton Chen affiliated with?
Dr. Chen is affiliated with Sacramento Medical Center.
What medical group is Dr. Anton Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. Anton Chen accept Medicare?
Yes. CMS lists Dr. Chen as accepting Medicare assignment.
Where did Dr. Anton Chen go to medical school?
Dr. Chen graduated from University of California, San Francisco School of Medicine in 2000.
What drugs does Dr. Anton Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Azelastine HCl, Fluticasone Propionate and Omeprazole.
Has Dr. Anton Chen received payments from drug or device companies?
CMS Open Payments shows $1,512 in general payments to Dr. Chen from 2 companies from 2017 to 2020. The largest total came from Stryker Corporation.
How long has Dr. Anton Chen been practicing?
Dr. Chen graduated from medical school in 2000, 26 years ago.
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