Nazneen Ahmed, MD
Internal Medicine Physician · Bloomingdale, IL
Nazneen Ahmed, MD is an internal medicine physician with a practice address in Bloomingdale, Illinois, and NPI 1215926621, issued on Oct 18, 2005. Check the license (Illinois 036-098865, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nazneen Ahmed
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-098865 IL
Self-reported in NPPES; status is on the state search - Practice location
- 233 S Gary Ave, Bloomingdale, IL 60108
- Phone
- (630) 924-4009
- Enumerated
- Oct 18, 2005
- Record last updated
- Nov 4, 2025
- Fax
- (630) 924-9671
- Medicaid ID
- 036098865 IL
- Medicare enrollment
- Enrolled (PECOS I20080119000128); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 233 S Gary Ave
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Verify Nazneen Ahmed in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-098865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,213 Medicare Part D claims for 539 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 160 claims were for opioids.
Most prescribed
- Atorvastatin Calcium574 claims
- Levothyroxine Sodium379 claims
- Losartan Potassium333 claims
- Metformin Hcl282 claims
- Metoprolol Succinate251 claims
- Amlodipine Besylate231 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Central Dupage Physician GroupBloomingdale, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nazneen Ahmed among 7,238 internal medicine physician records in Illinois
Nazneen Ahmed, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1995 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Bloomingdale
They are 16 of the 638 NPPES records with a practice address in Bloomingdale, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Bloomingdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vanja Cuk, MDBloomingdale, IL 601081215022074
- Robert Hurst, MDBloomingdale, IL 601081972579142
- Shazia Khan, MDBloomingdale, IL 601081205869120
- Mandeep Kohli, D.OBloomingdale, IL 601081447286497
- Gerald Maida, MDBloomingdale, IL 601081891762738
- Sunil Matiwala, M.D.Bloomingdale, IL 601081174555601
- Leslie Mattson, M.D.Bloomingdale, IL 601081487975181
- Sunnan Moinuddin, MDBloomingdale, IL 601081497140727
Common questions
What is Nazneen Ahmed, MD's NPI number?
Nazneen Ahmed, MD's National Provider Identifier (NPI) is 1215926621, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nazneen Ahmed, MD located?
The NPPES record lists a practice address at 233 S Gary Ave, Bloomingdale, IL, 60108. Phone: (630) 924-4009. Providers update this record themselves, so call before visiting.
How can I verify Nazneen Ahmed, MD's license?
NPPES lists Illinois license number 036-098865, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nazneen Ahmed, MD prescribe under Medicare Part D?
In 2024, Nazneen Ahmed, MD had 8,213 Medicare Part D claims for 539 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.