Doctor profile · Federal record

Dr. Sue Chang, MD

Nephrology Physician (CMS: Nephrology) · New Haven, CT

  • NPI 1528054848
  • Accepts Medicare
  • MIPS 82.3 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
136 Sherman Ave, Suite 405
New Haven, CT 065115238
(203) 787-0117
fax (203) 777-3559

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
October 11, 2011
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Connecticut #34691
Medicaid
CT #001346916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528054848. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
958
Distinct HCPCS
10
Medicare allowed
$136,976
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 283 105 $84
90935 Hemodialysis procedure with physician evaluation 169 49 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 140 87 $136
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 112 28 $365
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 69 25 $305
99213 Established patient office or other outpatient visit, 20-29 minutes 51 43 $97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 30 $138
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 23 22 $88
99443 Telephone medical discussion with physician, 21-30 minutes 22 21 $136
99442 Telephone medical discussion with physician, 11-20 minutes 20 16 $96

In context: peer comparison

Among 16 peers in this city , average services per provider: 74. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,979
Transactions
49
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 5 $688.63
AstraZeneca Pharmaceuticals LP 5 $196.14
Travere Therapeutics, Inc. 8 $148.13
Gilead Sciences, Inc. 1 $143.75
Ardelyx, Inc. 6 $135.02
Mallinckrodt Hospital Products Inc. 3 $80.41
Novo Nordisk Inc 4 $80.02
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $75.80
Amgen Inc. 2 $54.32
Otsuka America Pharmaceutical, Inc. 2 $47.80
Novartis Pharmaceuticals Corporation 3 $47.71
Alnylam Pharmaceuticals Inc. 2 $46.86
AKEBIA THERAPEUTICS INC 2 $46.34
CALLIDITAS THERAPEUTICS US INC. 2 $36.23
Lilly USA, LLC 1 $30.22

By nature of payment

Food and Beverage
$1,597
Travel and Lodging
$350
Education
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
580
Patients
157
Total drug cost
$71,264
Drug Type Claims Patients Total cost
Allopurinol Generic 68 20 $1,116
Furosemide Generic 62 21 $716
Amlodipine Besylate Generic 61 21 $539
Losartan Potassium Generic 59 19 $784
Calcitriol Generic 54 17 $1,207
Sevelamer Carbonate Generic 47 22 $26,978
Torsemide Generic 38 12 $1,529
Hydrochlorothiazide Generic 30 14 $186
Potassium Chloride Generic 28 11 $789
Lisinopril Generic 24 0 $124

Frequently asked questions

Auto-generated from federal data
What is Dr. Sue Chang's medical specialty?
Dr. Sue Chang practices Nephrology Physician in New Haven, CT.
Where does Dr. Sue Chang practice?
Dr. Sue Chang practices at 136 Sherman Ave, New Haven, CT 065115238. Office phone: 2037870117.
What is Dr. Sue Chang's NPI?
Dr. Sue Chang's National Provider Identifier (NPI) is 1528054848, issued by NPPES.
Does Dr. Sue Chang accept Medicare assignment?
Yes. Dr. Sue Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sue Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.