Doctor profile · Federal record

Dr. Zafar Ahmed, MD

Internal Medicine Physician (CMS: Internal Medicine) · Crestwood, IL

  • NPI 1700872272
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13755 Cicero Ave
Crestwood, IL 604451824
(708) 385-2400
fax (708) 385-7840
Mailing address
901 McClintock Dr, Suite 202
Burr Ridge, IL 605270872

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
May 13, 2015
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-089465
Medicaid
IL #036-089-465

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700872272. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,229
Distinct HCPCS
10
Medicare allowed
$139,349
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 361 205 $133
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 261 48 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 242 161 $94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 108 43 $83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 87 87 $134
83036 Hemoglobin a1c level 63 51 $10
99239 Hospital discharge day management, more than 30 minutes 44 35 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 41 37 $182
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 11 11 $138
G0009 Administration of pneumococcal vaccine 11 11 $32

In context: peer comparison

Among 2 peers in Crestwood Internal Medicine Physician, average services per provider: 3,041. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$181
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 1 $131.10
Pfizer INC. 3 $50.17

By nature of payment

Food and Beverage
$181

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,258
Patients
1,180
Total drug cost
$52,225
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 468 164 $4,386
Atorvastatin Calcium Generic 426 158 $5,534
Metoprolol Succinate Generic 228 83 $5,469
Gabapentin Generic 227 89 $2,976
Losartan Potassium Generic 222 85 $2,909
Metformin Hcl Generic 218 89 $3,031
Hydrochlorothiazide Generic 204 72 $832
Furosemide Generic 169 65 $1,337
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 168 46 $5,180
Montelukast Sodium Generic 168 67 $2,800

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zafar Ahmed's medical specialty?
Dr. Zafar Ahmed practices Internal Medicine Physician in Crestwood, IL.
Where does Dr. Zafar Ahmed practice?
Dr. Zafar Ahmed practices at 13755 Cicero Ave, Crestwood, IL 604451824. Office phone: 7083852400.
What is Dr. Zafar Ahmed's NPI?
Dr. Zafar Ahmed's National Provider Identifier (NPI) is 1700872272, issued by NPPES.
Does Dr. Zafar Ahmed accept Medicare assignment?
Yes. Dr. Zafar Ahmed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zafar Ahmed commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.