Doctor profile · Federal record

Dr. Kenneth Chen, MD

Nephrology Physician (CMS: Internal Medicine) · Richmond, CA

  • NPI 1205911971
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 Nevin Ave
Richmond, CA 948013143
(510) 307-1500
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 13, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A68140
Medicaid
CA #00A681400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205911971. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
2
Medicare allowed
$10,217
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 98 26 $88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $144

In context: peer comparison

Among 1 peers in this city , average services per provider: 54. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
521
Patients
153
Total drug cost
$44,037
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 125 43 $1,564
Furosemide Generic 73 33 $1,323
Sevelamer Carbonate Generic 62 30 $19,821
Losartan Potassium Generic 49 21 $686
Calcium Acetate Generic 31 14 $3,698
Atorvastatin Calcium Generic 27 0 $312
Allopurinol Generic 23 0 $201
Lactulose Generic 20 0 $398
Procrit (Epoetin Alfa) Brand 20 0 $12,743
Calcitriol Generic 19 12 $546

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Chen's medical specialty?
Dr. Kenneth Chen practices Nephrology Physician in Richmond, CA.
Where does Dr. Kenneth Chen practice?
Dr. Kenneth Chen practices at 901 Nevin Ave, Richmond, CA 948013143. Office phone: 5103071500.
What is Dr. Kenneth Chen's NPI?
Dr. Kenneth Chen's National Provider Identifier (NPI) is 1205911971, issued by NPPES.
Does Dr. Kenneth Chen accept Medicare assignment?
Yes. Dr. Kenneth Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.