Doctor profile · Federal record

Dr. Rajinder Mahay, MD

Internal Medicine Physician (CMS: Internal Medicine) · Granite City, IL

  • NPI 1669490421
  • MIPS 23.4 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2044 Madison Ave, Suite 15
Granite City, IL 620404641
(618) 451-1500
fax (618) 451-9484

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036088697
Medicaid
IL #036088697

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669490421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,404
Distinct HCPCS
10
Medicare allowed
$206,607
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 771 382 $122
36415 Insertion of needle into vein for collection of blood sample 300 216 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 294 185 $87
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 278 48 $60
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 128 128 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 122 93 $171
G0008 Administration of influenza virus vaccine 109 108 $30
90662 Influenza vaccine split virus, preservative free 105 104 $71
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 73 26 $45
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 43 12 $1

In context: peer comparison

Among 5 peers in this city , average services per provider: 131. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$673
Transactions
35
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 16 $312.34
GlaxoSmithKline, LLC. 3 $57.37
ABBVIE INC. 2 $53.68
Novo Nordisk Inc 3 $52.68
Sumitomo Pharma America, Inc. 2 $45.16
Janssen Pharmaceuticals, Inc 2 $33.69
Lilly USA, LLC 2 $31.16
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $19.96
Abbott Laboratories 1 $19.57
Otsuka America Pharmaceutical, Inc. 1 $16.12
PFIZER INC. 1 $15.71
Exact Sciences Corporation 1 $15.24

By nature of payment

Food and Beverage
$673

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,018
Patients
1,852
Total drug cost
$100,572
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 981 256 $12,881
Lisinopril Generic 676 186 $6,071
Amlodipine Besylate Generic 625 163 $5,399
Levothyroxine Sodium Generic 505 128 $8,235
Gabapentin Generic 483 113 $11,380
Metoprolol Succinate Generic 478 116 $8,930
Rosuvastatin Calcium Generic 429 111 $8,517
Simvastatin Generic 424 117 $4,347
Furosemide Generic 399 105 $2,371
Pantoprazole Sodium Generic 392 105 $5,430

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rajinder Mahay's medical specialty?
Dr. Rajinder Mahay practices Internal Medicine Physician in Granite City, IL.
Where does Dr. Rajinder Mahay practice?
Dr. Rajinder Mahay practices at 2044 Madison Ave, Granite City, IL 620404641. Office phone: 6184511500.
What is Dr. Rajinder Mahay's NPI?
Dr. Rajinder Mahay's National Provider Identifier (NPI) is 1669490421, issued by NPPES.
Does Dr. Rajinder Mahay accept Medicare assignment?
Dr. Rajinder Mahay does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Rajinder Mahay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.