Doctor profile · Federal record

Dr. Hsien Ta Fang, MD

Nephrology Physician (CMS: Nephrology) · Naperville, IL

  • NPI 1760562474
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
120 Spalding Dr, Suite 410
Naperville, IL 605406508
(630) 369-0780
fax (630) 369-0886
Additional location
302 Randall RD Ste 205
Geneva, IL 601344219
(630) 690-1220
fax (630) 208-1667
Mailing address
120 W 22Nd St Ste 200
Oak Brook, IL 605231563

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 28, 2025
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036103303
Medicaid
IL #036103303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760562474. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16,697
Distinct HCPCS
10
Medicare allowed
$431,478
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 14,400 19 $3
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 936 272 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 285 224 $178
99214 Established patient office or other outpatient visit, 30-39 minutes 228 197 $131
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 216 27 $362
99204 New patient office or other outpatient visit, 45-59 minutes 127 127 $174
99291 Critical care, first 30-74 minutes 127 62 $220
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 60 $82
90966 Home dialysis services per month (20 years or older) 77 17 $301
99215 Established patient office or other outpatient visit, 40-54 minutes 75 57 $184

In context: peer comparison

Among 3 peers in Naperville Nephrology Physician, average services per provider: 476. This provider delivers 35× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
982
Patients
307
Total drug cost
$35,691
Drug Type Claims Patients Total cost
Torsemide Generic 164 53 $4,682
Amlodipine Besylate Generic 141 45 $2,007
Spironolactone Generic 104 28 $1,117
Bumetanide Generic 96 34 $6,274
Prednisone Generic 61 19 $413
Furosemide Generic 60 19 $406
Losartan Potassium Generic 53 20 $1,095
Metoprolol Succinate Generic 51 19 $1,474
Allopurinol Generic 48 16 $624
Famotidine Generic 43 19 $837

Frequently asked questions

Auto-generated from federal data
What is Dr. Hsien Ta Fang's medical specialty?
Dr. Hsien Ta Fang practices Nephrology Physician in Naperville, IL.
Where does Dr. Hsien Ta Fang practice?
Dr. Hsien Ta Fang practices at 120 Spalding Dr, Naperville, IL 605406508. Office phone: 6303690780.
What is Dr. Hsien Ta Fang's NPI?
Dr. Hsien Ta Fang's National Provider Identifier (NPI) is 1760562474, issued by NPPES.
Does Dr. Hsien Ta Fang accept Medicare assignment?
Dr. Hsien Ta Fang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Hsien Ta Fang commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.