Doctor profile · Federal record

Dr. Rizwan Mahmood, MD

Internal Medicine Physician (CMS: Internal Medicine) · Downers Grove, IL

  • NPI 1699337683
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3743 Highland Ave Ste 1001
Downers Grove, IL 605151594
(630) 963-9667
fax (630) 963-9936
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
January 28, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-162350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699337683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
4
Medicare allowed
$25,806
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 118 89 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 67 43 $133
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 23 23 $171
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $173

In context: peer comparison

Among 12 peers in this city , average services per provider: 117. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$180
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $179.53

By nature of payment

Food and Beverage
$180

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
186
Patients
53
Total drug cost
$2,381
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 23 14 $257
Losartan Potassium Generic 22 14 $438
Tamsulosin Hcl Generic 17 0 $182
Metformin Hcl Generic 15 0 $139
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $132
Gabapentin Generic 13 0 $83
Hydrochlorothiazide Generic 13 0 $127
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $345
Levothyroxine Sodium Generic 12 0 $197
Methylprednisolone Generic 12 12 $137

Frequently asked questions

Auto-generated from federal data
What is Dr. Rizwan Mahmood's medical specialty?
Dr. Rizwan Mahmood practices Internal Medicine Physician in Downers Grove, IL.
Where does Dr. Rizwan Mahmood practice?
Dr. Rizwan Mahmood practices at 3743 Highland Ave Ste 1001, Downers Grove, IL 605151594. Office phone: 6309639667.
What is Dr. Rizwan Mahmood's NPI?
Dr. Rizwan Mahmood's National Provider Identifier (NPI) is 1699337683, issued by NPPES.
Does Dr. Rizwan Mahmood accept Medicare assignment?
Yes. Dr. Rizwan Mahmood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rizwan Mahmood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.