Doctor profile · Federal record

Dr. May Chow, MD

Nephrology Physician · La Grange Highlands, IL

  • NPI 1770580870
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5201 Willow Springs RD, Suite 260
La Grange Highlands, IL 605256537
(708) 354-1306
fax (708) 354-1538
Mailing address
120 W 22Nd St Ste 200
Oak Brook, IL 605231563

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 10, 2020
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036087665
Medicaid
IL #036087665

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770580870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,364
Distinct HCPCS
10
Medicare allowed
$170,973
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 302 58 $56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 292 121 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 274 130 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 141 130 $181
99214 Established patient office or other outpatient visit, 30-39 minutes 127 117 $105
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 108 31 $356
99213 Established patient office or other outpatient visit, 20-29 minutes 42 40 $77
99215 Established patient office or other outpatient visit, 40-54 minutes 22 21 $137
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 21 17 $301
99291 Critical care, first 30-74 minutes 21 17 $216

In context: peer comparison

Among 1 peers in La Grange Highlands Nephrology Physician, average services per provider: 124. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$332
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $306.69
Boehringer Ingelheim Pharmaceuticals, INC. 1 $25.52

By nature of payment

Food and Beverage
$332

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
548
Patients
147
Total drug cost
$63,601
Drug Type Claims Patients Total cost
Torsemide Generic 57 25 $1,546
Allopurinol Generic 55 16 $723
Sevelamer Carbonate Generic 53 12 $6,983
Amlodipine Besylate Generic 48 18 $739
Farxiga (Dapagliflozin Propanediol) Brand 44 11 $46,446
Lisinopril Generic 41 14 $751
Losartan Potassium Generic 37 14 $739
Metoprolol Succinate Generic 34 12 $1,081
Spironolactone Generic 34 14 $697
Nifedipine ER (Nifedipine) Brand 29 11 $2,071

Frequently asked questions

Auto-generated from federal data
What is Dr. May Chow's medical specialty?
Dr. May Chow practices Nephrology Physician in La Grange Highlands, IL.
Where does Dr. May Chow practice?
Dr. May Chow practices at 5201 Willow Springs RD, La Grange Highlands, IL 605256537. Office phone: 7083541306.
What is Dr. May Chow's NPI?
Dr. May Chow's National Provider Identifier (NPI) is 1770580870, issued by NPPES.
What procedures does Dr. May Chow commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.