Doctor profile · Federal record

Dr. TONG SUN, MD

Nephrology Physician (CMS: NEPHROLOGY) · MODESTO, CA

  • NPI 1629161336
  • Accepts Medicare
  • MIPS 96.7 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
305 E GRANGER AVE, STE 202
MODESTO, CA 953504345
(209) 526-1606
fax (209) 526-1677

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 22, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A97313
Medicaid
CA #00A973130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629161336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,382
Distinct HCPCS
10
Medicare allowed
$362,529
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 658 181 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 647 180 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 478 242 $130
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 305 43 $352
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 109 36 $289
99215 Established patient office or other outpatient visit, 40-54 minutes 84 54 $182
90962 Dialysis services, 1 physician visit per month (20 years or older) 38 15 $204
99205 New patient office or other outpatient visit, 60-74 minutes 35 35 $223
81000 Manual urinalysis test with examination using microscope, non-automated 17 17 $4
99443 Telephone medical discussion with physician, 21-30 minutes 11 11 $130

In context: peer comparison

Among 5 peers in this city , average services per provider: 221. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$812
Transactions
36
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 6 $202.52
Amgen Inc. 8 $134.10
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $78.07
Otsuka America Pharmaceutical, Inc. 3 $71.56
Fresenius USA Marketing, Inc. 4 $62.00
Novo Nordisk Inc 2 $49.05
Ardelyx, Inc. 2 $45.76
Bayer Healthcare Pharmaceuticals Inc. 2 $45.06
Aurinia Pharma U.S., Inc. 2 $43.26
CALLIDITAS THERAPEUTICS US INC. 2 $36.44
GlaxoSmithKline, LLC. 1 $24.53
Lilly USA, LLC 1 $19.85

By nature of payment

Food and Beverage
$780
Education
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,719
Patients
1,418
Total drug cost
$160,142
Drug Type Claims Patients Total cost
Furosemide Generic 1,257 394 $21,016
Allopurinol Generic 869 259 $18,822
Amlodipine Besylate Generic 460 166 $7,307
Metoprolol Tartrate Generic 312 102 $4,153
Potassium Chloride Generic 307 100 $16,123
Hydralazine Hcl Generic 279 99 $8,946
Prosol (Parenteral Amino Acid 20% No.1) Brand 214 0 $30,780
Lisinopril Generic 182 62 $3,251
Carvedilol Generic 169 57 $3,504
Calcitriol Generic 143 51 $5,733

Hospital affiliations

CMS Hospital Compare