Doctor profile · Federal record

Dr. Jennet Lee, MD

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

  • NPI 1861569683
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-3910

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 3, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A91214

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861569683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
1
Medicare allowed
$2,819
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 17 $81

In context: peer comparison

Among 3 peers in this city , average services per provider: 34. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,054
Patients
409
Total drug cost
$58,567
Drug Type Claims Patients Total cost
Losartan Potassium Generic 142 55 $2,065
Lisinopril Generic 128 48 $1,859
Amlodipine Besylate Generic 121 50 $1,573
Furosemide Generic 121 54 $1,983
Atorvastatin Calcium Generic 91 34 $1,218
Lactulose Generic 69 20 $1,768
Potassium Chloride Generic 62 29 $2,743
Allopurinol Generic 49 17 $506
Jardiance (Empagliflozin) Brand 46 18 $25,929
Sevelamer Carbonate Generic 45 25 $13,175

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennet Lee's medical specialty?
Dr. Jennet Lee practices Nephrology Physician in Fontana, CA.
Where does Dr. Jennet Lee practice?
Dr. Jennet Lee practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 9094273910.
What is Dr. Jennet Lee's NPI?
Dr. Jennet Lee's National Provider Identifier (NPI) is 1861569683, issued by NPPES.
Does Dr. Jennet Lee accept Medicare assignment?
Yes. Dr. Jennet Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennet Lee commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.