Dr. Kenneth K. Chen, MD
- Medicare services, 2024
- 26
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 743
- Publications
- 8
- Hospital affiliations
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-3173
- 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. Kenneth K. Chen is a nephrologist in Richmond, California
Dr. Chen practices at Richmond Medical Center in Richmond, California.
Dr. Chen's NPI, 1205911971, was assigned on October 25, 2006. Dr. Chen graduated from Albert Einstein College of Medicine in 1996. Dr. Chen holds California license A68140.
- NPI
- 1205911971NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204018047
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-3173
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth K. 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) 307-3173.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-3173
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kenneth K. Chen is affiliated with 4 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 Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chen to 1 more dialysis center 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 Dr. Kenneth K. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth K. Chen is one of 1,401 nephrologists in California
Nephrology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Chen is board certified in nephrology by the American Board of Internal Medicine. Dr. Chen is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes and chronic kidney disease among the conditions Dr. Chen treats.
Nephrologists near Dr. Chen
Counts of nephrologists 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. Kenneth K. Chen billed Medicare for 26 services in 2024
CMS data shows 26 Medicare services from Dr. Chen across 1 procedure code in 2024, for 31 Medicare patients. Medicare paid $1,813 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1092024: 2676%
Dr. Chen compared with the California median for nephrologists, 2024
- Dr. Chen
- California median
- Medicare services
- 26vs 1,08498% below
- Medicare patients
- 31vs 30790% below
- Part D claims
- 493vs 95548% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth K. Chen treated 31 Medicare patients in 2024, average age 66
CMS counts 31 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 58% are also on Medicaid. Their average risk score is 5.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 67, with 45% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chen's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol74%
- Ischemic heart disease61%
- Diabetes58%
- Heart failure58%
- Arthritis45%
- Atrial fibrillation45%
Share of Medicare patients with each condition. A patient can have several.
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
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth K. Chen wrote 743 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 743 Medicare Part D claims for 169 patients. 91% of them were for generic drugs. CMS names the drug for 493 of them, across 14 drugs with 11 or more claims each, at $36,175 in total drug cost. In 2023, CMS named 533 claims across 16 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic674 claims91%
- Brand-name and other69 claims9%
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
- Antibiotics3%19 of 743 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: 5332024: 4938%
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
Dr. Kenneth K. 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
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kenneth K. Chen has 8 publications on record
Dmand AI links 8 papers to Dr. Chen, published from 2010 to 2023. 2014 was the busiest year, with 2. The most frequent topics are Pregnancy Complications, Pregnancy Outcome and Blood Glucose. Dr. Chen has published most often in Diabetes Care. Dr. Chen's most frequent co-authors are Hasmik Arzumanyan, MD, Rakesh Bhattacharjee, MD and Kenneth Pengyu Chen, MD.
Dr. Chen's papers by year, 2010 to 2023
Topics Dr. Chen writes about most
- Pregnancy Complications
- Pregnancy Outcome
- Blood Glucose
- Diabetes Mellitus, Type 2
- Fetal Macrosomia
Dr. Chen's most frequent co-authors
- Hasmik Arzumanyan, MD1 shared paper
- Rakesh Bhattacharjee, MD1 shared paper
- Kenneth Pengyu Chen, MD1 shared paper
Recent publications by Dr. Chen
Clin Dermatol
Best Pract Res Clin Obstet Gynaecol
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 nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kenneth K. Chen received $3,037 in industry payments from 2018 to 2022
CMS Open Payments shows 4 general payments to Dr. Chen from 4 drug and device companies from 2018 to 2022. Consulting fees make up the largest share, 94% of the total. Fujirebio Diagnostics, Incorporated paid the most, $2,868.
General payments to Dr. Chen by program year, 2018 to 2022
General payments to Dr. Chen by kind, 2018 to 2022
- Consulting fees$2,86894%
- Food and beverage$1696%
Companies that paid Dr. Chen the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kenneth K. 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. Kenneth K. Chen graduated from Albert Einstein College of Medicine
Dr. Chen graduated from Albert Einstein College of Medicine in 1996.
- Medical school
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Kenneth K. 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. Kenneth K. 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Kenneth K. 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. Kenneth K. Chen's NPI number?
Dr. Kenneth K. Chen's NPI number is 1205911971. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth K. Chen?
Dr. Kenneth K. Chen is a nephrologist in Richmond, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Kenneth K. 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 dialysis center and 1 group practice or clinic.
What is Dr. Kenneth K. Chen's office phone number?
The practice phone on file for Dr. Chen is (510) 307-3173.
What is Dr. Kenneth K. Chen's medical license number?
Dr. Chen holds California license A68140.
Which hospitals is Dr. Kenneth K. Chen affiliated with?
Dr. Chen is affiliated with Oakland Medical Center.
What medical group is Dr. Kenneth K. Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. Kenneth K. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 26 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Kenneth K. Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
How many Medicare patients does Dr. Kenneth K. Chen see?
CMS counts 31 Medicare patients who saw Dr. Chen in 2024, with an average age of 66.
Show 9 more questionsShow fewer questions
Is Dr. Kenneth K. Chen board certified?
Yes. Dr. Chen is board certified in nephrology by the American Board of Internal Medicine.
What services does Dr. Kenneth K. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Kenneth K. Chen go to medical school?
Dr. Chen graduated from Albert Einstein College of Medicine in 1996.
What drugs does Dr. Kenneth K. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Amlodipine Besylate, Furosemide and Sevelamer Carbonate.
Has Dr. Kenneth K. Chen received payments from drug or device companies?
CMS Open Payments shows $3,037 in general payments to Dr. Chen from 4 companies from 2018 to 2022. The largest total came from Fujirebio Diagnostics, Incorporated.
How long has Dr. Kenneth K. Chen been practicing?
Dr. Chen graduated from medical school in 1996, 30 years ago.
Does Dr. Kenneth K. Chen do research?
Dmand AI links 8 publications to Dr. Chen, published from 2010 to 2023.
Who does Dr. Kenneth K. Chen publish with?
Dr. Chen's most frequent co-authors are Hasmik Arzumanyan, MD (1 shared paper), Rakesh Bhattacharjee, MD (1 shared paper) and Kenneth Pengyu Chen, MD (1 shared paper).
What insurance does Dr. Kenneth K. 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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