Cystitis, InterstitialOutcome Assessment, Health CareSexual Behavior
Dr. Andrew A. Chen, MD
NPI1811039480PAC ID7315035839
- Part D claims, 2024
- 1,459
- Publications
- 5
- Hospital affiliations
- 1
- Industry payments
- $838
- 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. Andrew A. Chen is a urologist in Richmond, California
Dr. Chen practices at Richmond Medical Center in Richmond, California.
Dr. Chen's NPI, 1811039480, was assigned on February 12, 2007. Dr. Chen graduated from University of Southern California Keck School of Medicine in 2000. Dr. Chen's California license number on file is A80210.
NPI and contact details
- NPI
- 1811039480NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315035839
- NPI enumeration date
- February 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- 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. Andrew A. 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. Andrew A. Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Richmond Medical Center in Richmond, California. Dr. Chen is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Richmond Medical CenterPrimary
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. Andrew A. 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. Andrew A. Chen is one of 1,395 urologists in California
Urology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Chen is board certified in urology by the American Board of Urology. Dmand AI has Dr. Chen's licenses on file in 3 states: California, New York and Illinois.
Specialties and state licenses
- Urology, CaliforniaPrimary
- New York license
- Illinois license
Clinical focus
Dmand AI lists urinary endoscopy among the conditions Dr. Chen treats.
Urologists near Dr. Chen
Counts of urologists 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. Andrew A. Chen's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 67, with 25% 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 67
Patient panel by sex, all payers
- Women25%
- Men74%
Source: Dmand AI Patient Panel Data
Dr. Andrew A. Chen wrote 1,459 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 1,459 Medicare Part D claims for 425 patients. 98% of them were for generic drugs. CMS names the drug for 1,327 of them, across 15 drugs with 11 or more claims each, at $46,279 in total drug cost. In 2023, CMS named 1,297 claims across 16 drugs.
Part D claims, 20241,459
Drugs named by CMS15
Total drug cost$46,279
Part D patients425
Dr. Chen's Part D claims by kind of drug, 2024
- Generic1,432 claims98%
- Brand-name and other27 claims2%
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
- Opioids4%54 of 1,459 claims
- Antibiotics12%180 of 1,459 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: 1,2972024: 1,3272%
Drugs named by CMS: 15 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
Dr. Andrew A. Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Andrew A. Chen has 5 publications on record
Dmand AI links 5 papers to Dr. Chen, published from 2018 to 2021. 2021 was the busiest year, with 2. Dr. Chen's most frequent co-authors are Jennifer T. Anger, MD, David S. Aaronson, MD and Sarah Ashley Adelstein, MD.
Papers5
Years published2018 to 2021
Dr. Chen's papers by year, 2018 to 2021
Dr. Chen's most frequent co-authors
- Jennifer T. Anger, MD2 shared papers
- David S. Aaronson, MD1 shared paper
- Sarah Ashley Adelstein, MD1 shared paper
Recent publications by Dr. Chen
Administration, IntravesicalBotulinum Toxins, Type AUrinary Bladder, Neurogenic
Carcinoma, Transitional CellIn Situ Hybridization, FluorescenceUrinary Bladder Neoplasms
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andrew A. Chen received $838 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Chen from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $217.
General payments to Dr. Chen by program year, 2016 to 2025
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. Andrew A. 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. Andrew A. Chen graduated from University of Southern California Keck School of Medicine
Dr. Chen graduated from University of Southern California Keck School of Medicine in 2000.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Andrew A. Chen accepts plans from 2 insurance carriers
Dr. Chen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew A. 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Andrew A. 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. Andrew A. Chen's NPI number?
Dr. Andrew A. Chen's NPI number is 1811039480. It was assigned on February 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew A. Chen?
Dr. Andrew A. Chen is a urologist in Richmond, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Andrew A. Chen practice?
Dr. Chen practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Chen's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Andrew A. Chen's office phone number?
The practice phone on file for Dr. Chen is (510) 307-1555.
What is Dr. Andrew A. Chen's medical license number?
Dr. Chen's California license number on file is A80210, one of the licenses on file in 3 states.
Which states has Dr. Andrew A. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2002 to 2025), New York (2006 to 2007) and Illinois (2000 to 2003).
Which hospitals is Dr. Andrew A. Chen affiliated with?
Dr. Chen is affiliated with Walnut Creek Medical Center.
What medical group is Dr. Andrew A. Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. Andrew A. Chen accept Medicare?
Yes. CMS lists Dr. Chen as accepting Medicare assignment.
Does Dr. Andrew A. Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
Show 8 more questionsShow fewer questions
Is Dr. Andrew A. Chen board certified?
Yes. Dr. Chen is board certified in urology by the American Board of Urology.
Where did Dr. Andrew A. Chen go to medical school?
Dr. Chen graduated from University of Southern California Keck School of Medicine in 2000.
What drugs does Dr. Andrew A. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Trospium Chloride.
Has Dr. Andrew A. Chen received payments from drug or device companies?
CMS Open Payments shows $838 in general payments to Dr. Chen from 11 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Andrew A. Chen been practicing?
Dr. Chen graduated from medical school in 2000, 26 years ago.
Does Dr. Andrew A. Chen do research?
Dmand AI links 5 publications to Dr. Chen, published from 2018 to 2021.
Who does Dr. Andrew A. Chen publish with?
Dr. Chen's most frequent co-authors are Jennifer T. Anger, MD (2 shared papers), David S. Aaronson, MD (1 shared paper) and Sarah Ashley Adelstein, MD (1 shared paper).
What insurance does Dr. Andrew A. Chen accept?
Dr. Chen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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