Doctor profile · Federal record

Dr. Nazneen Ahmed, MD

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

  • NPI 1215926621
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
233 S Gary Ave
Bloomingdale, IL 601082213
(630) 924-4009
fax (630) 924-9671

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 4, 2025
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-098865
Medicaid
IL #036098865

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215926621. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,830
Distinct HCPCS
10
Medicare allowed
$147,886
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 468 234 $132
36415 Insertion of needle into vein for collection of blood sample 295 197 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 230 180 $94
99497 Advance care planning, first 30 minutes 174 174 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 158 158 $133
G0008 Administration of influenza virus vaccine 82 80 $30
90662 Influenza vaccine split virus, preservative free 72 72 $72
83036 Hemoglobin a1c level 59 45 $10
80053 Blood test, comprehensive group of blood chemicals 51 50 $10
80061 Blood test, lipids (cholesterol and triglycerides) 47 47 $13

In context: peer comparison

Among 6 peers in this city , average services per provider: 106. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,327
Patients
933
Total drug cost
$49,150
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 564 152 $8,209
Levothyroxine Sodium Generic 331 82 $5,391
Metformin Hcl Generic 275 83 $2,777
Losartan Potassium Generic 270 80 $5,193
Amlodipine Besylate Generic 227 65 $2,909
Metoprolol Succinate Generic 221 63 $4,871
Lisinopril Generic 214 57 $2,471
Sertraline Hcl Generic 212 49 $1,804
Fluticasone Propionate Generic 196 79 $3,877
Gabapentin Generic 168 44 $2,541

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nazneen Ahmed's medical specialty?
Dr. Nazneen Ahmed practices Internal Medicine Physician in Bloomingdale, IL.
Where does Dr. Nazneen Ahmed practice?
Dr. Nazneen Ahmed practices at 233 S Gary Ave, Bloomingdale, IL 601082213. Office phone: 6309244009.
What is Dr. Nazneen Ahmed's NPI?
Dr. Nazneen Ahmed's National Provider Identifier (NPI) is 1215926621, issued by NPPES.
Does Dr. Nazneen Ahmed accept Medicare assignment?
Yes. Dr. Nazneen Ahmed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nazneen Ahmed 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.