Dr. Cynthia Lea Chen, MD
- Medicare services, 2016
- 808
- Part D claims, 2024
- 517
- Industry payments
- $1,181
- Affiliated sites
- 1
- Medical group
- 1
- 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. Cynthia Lea Chen is a dermatologist in Richmond, California
Dr. Chen practices at Richmond Medical Center in Richmond, California.
Dr. Chen's NPI, 1043465545, was assigned on November 25, 2008. Dr. Chen graduated from UCSF School of Medicine in 2007. Dr. Chen holds California license A106034.
- NPI
- 1043465545NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335324284
- NPI enumeration date
- November 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cynthia Lea 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. Cynthia Lea 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. Cynthia Lea 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. Cynthia Lea Chen is one of 1,910 dermatologists in California
Dermatology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Chen is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Chen's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- New York license
Dermatologists near Dr. Chen
Counts of dermatologists 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. Cynthia Lea Chen billed Medicare for 808 services in 2016
CMS data shows 808 Medicare services from Dr. Chen across 10 procedure codes in 2016. Medicare paid $37,571 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2016
- Office and hospital visits370
- Surgery294
- Tests and treatments144
Dr. Chen compared with the California median for dermatologists, 2016
- Dr. Chen
- California median
- Medicare services
- 808vs 1,75054% below
- Part D claims
- 343vs 3677% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cynthia Lea Chen's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 47, 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 47
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Cynthia Lea Chen wrote 517 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 517 Medicare Part D claims for 219 patients. 83% of them were for generic drugs. CMS names the drug for 343 of them, across 14 drugs with 11 or more claims each, at $75,440 in total drug cost. In 2023, CMS named 398 claims across 16 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic431 claims83%
- Brand-name86 claims17%
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
- Antibiotics7%35 of 517 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: 3982024: 34314%
Drugs named by CMS: 14 in 2024, 16 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. Cynthia Lea 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. Cynthia Lea Chen received $1,181 in industry payments from 2016 to 2025
CMS Open Payments shows 22 general payments to Dr. Chen from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Sun Pharmaceutical Industries Inc. paid the most, $310.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$1,11795%
- Education$655%
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. Cynthia Lea Chen graduated from UCSF School of Medicine
Dr. Chen graduated from UCSF School of Medicine in 2007.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Cynthia Lea Chen accepts plans from 3 insurance carriers
Dr. Chen is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and Elevance. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
- Elevance
Plan types Dr. Chen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Cynthia Lea 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 |
| 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. Cynthia Lea 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. Cynthia Lea Chen's NPI number?
Dr. Cynthia Lea Chen's NPI number is 1043465545. It was assigned on November 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Cynthia Lea Chen?
Dr. Cynthia Lea Chen is a dermatologist in Richmond, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Cynthia Lea 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. Cynthia Lea Chen's office phone number?
The practice phone on file for Dr. Chen is (510) 307-1555.
What is Dr. Cynthia Lea Chen's medical license number?
Dr. Chen holds California license A106034, one of the licenses on file in 2 states.
Which states has Dr. Cynthia Lea Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2008 to 2026) and New York (2011 to 2026).
What medical group is Dr. Cynthia Lea Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. Cynthia Lea Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 808 services in 2016, and Dr. Chen accepts Medicare assignment.
Is Dr. Cynthia Lea Chen board certified?
Yes. Dr. Chen is board certified in dermatology by the American Board of Dermatology.
What services does Dr. Cynthia Lea Chen bill to Medicare?
In 2016, Dr. Chen's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Cynthia Lea Chen go to medical school?
Dr. Chen graduated from UCSF School of Medicine in 2007.
What drugs does Dr. Cynthia Lea Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Triamcinolone Acetonide, Fluocinonide and Fluorouracil.
Has Dr. Cynthia Lea Chen received payments from drug or device companies?
CMS Open Payments shows $1,181 in general payments to Dr. Chen from 10 companies from 2016 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Dr. Cynthia Lea Chen been practicing?
Dr. Chen graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Cynthia Lea Chen accept?
Dr. Chen is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and Elevance. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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