Dr. Eric M. Chen, MD
- Part D claims, 2024
- 292
- Industry payments
- $2,048
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 5
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, 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. Eric M. Chen is an allergist and immunologist in Richmond, California
Dr. Chen practices at Richmond Medical Center in Richmond, California.
Dr. Chen's NPI, 1558440222, was assigned on November 3, 2006. Dr. Chen graduated from UMKC School of Medicine in 1996. Dr. Chen holds California license A68015.
- NPI
- 1558440222NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Eric M. Chen practices at Richmond Medical Center in Richmond, California
Dr. Chen's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric M. Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chen to 1 more group practice or clinic, 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 Dr. Eric M. 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 |
|---|---|
| Richmond Medical Center | 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. Eric M. Chen is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Chen is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dr. Chen is licensed in California.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
Allergists and immunologists near Dr. Chen
Counts of allergists and immunologists 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. Eric M. Chen's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 32, with 61% 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 32
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Eric M. Chen wrote 292 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 292 Medicare Part D claims for 89 patients. 80% of them were for generic drugs. CMS names the drug for 254 of them, across 9 drugs with 11 or more claims each, at $45,776 in total drug cost. In 2023, CMS named 269 claims across 9 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic233 claims80%
- Brand-name59 claims20%
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
- Antibiotics5%14 of 292 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: 2692024: 2546%
Drugs named by CMS: 9 in 2024, 9 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
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Dr. Eric M. Chen received $2,048 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Chen from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. GlaxoSmithKline, LLC. paid the most, $585.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$2,03099%
- Gifts$171%
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric M. Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Chen
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Eric M. Chen graduated from UMKC School of Medicine
Dr. Chen graduated from UMKC School of Medicine in 1996.
- Medical school
- Board certified in allergy & immunology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Eric M. Chen accepts plans from 5 insurance carriers
Dr. Chen is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Chen accepts, by number of carriers
- Medicare4
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric M. 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Eric M. 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. Eric M. Chen's NPI number?
Dr. Eric M. Chen's NPI number is 1558440222. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric M. Chen?
Dr. Eric M. Chen is an allergist and immunologist in Richmond, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Eric M. Chen practice?
Dr. Chen practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Chen's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Chen to 1 group practice or clinic.
What is Dr. Eric M. Chen's office phone number?
The practice phone on file for Dr. Chen is (510) 307-1555.
What is Dr. Eric M. Chen's medical license number?
Dr. Chen holds California license A68015.
What medical group is Dr. Eric M. Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Is Dr. Eric M. Chen board certified?
Yes. Dr. Chen is board certified in allergy & immunology by the American Board of Allergy and Immunology.
Where did Dr. Eric M. Chen go to medical school?
Dr. Chen graduated from UMKC School of Medicine in 1996.
What drugs does Dr. Eric M. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Azelastine HCl, Ipratropium Bromide and Prednisone.
Has Dr. Eric M. Chen received payments from drug or device companies?
CMS Open Payments shows $2,048 in general payments to Dr. Chen from 10 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Eric M. Chen been practicing?
Dr. Chen graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Eric M. Chen accept?
Dr. Chen is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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