Zafar Ahmed, MD
Internal Medicine Physician · Crestwood, IL
Zafar Ahmed, MD is an internal medicine physician with a practice address in Crestwood, Illinois, and NPI 1700872272, issued on Sep 21, 2005. Check the license (Illinois 036-089465, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zafar Ahmed
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-089465 IL
Self-reported in NPPES; status is on the state search - Practice location
- 13755 Cicero Ave, Crestwood, IL 60445
- Phone
- (708) 385-2400
- Enumerated
- Sep 21, 2005
- Record last updated
- May 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (708) 385-7840
- Medicaid ID
- 036-089-465 IL
- Medicare enrollment
- Enrolled (PECOS I20100130000023); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 1983
- Entity
- Type 1 · individual
Also registered at 13755 Cicero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristine Asuncion, NPFamily Nurse Practitioner1306332697
- Deborah Basile, MDInternal Medicine Physician1497741953
- J. Bradford Bertumen, M.D.Infectious Disease Physician1558681577
- Daniel Desimone, MDInfectious Disease Physician1447246822
- Malak Elsheikh, M.B.B.SInfectious Disease Physician1215372404
- Robert Fliegelman, DOInfectious Disease Physician1821084120
Verify Zafar 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 036-089465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,119 Medicare Part D claims for 574 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. 324 claims were for opioids.
Most prescribed
- Atorvastatin Calcium639 claims
- Amlodipine Besylate573 claims
- Losartan Potassium328 claims
- Gabapentin288 claims
- Hydrochlorothiazide285 claims
- Metformin Hcl280 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.
Industry payments in 2024: $181.27
4 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Asad Zaman MD SCPalos Heights, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 internal medicine physician records list a practice address in Crestwood
They are 3 of the 164 NPPES records with a practice address in Crestwood, and 7,238 internal medicine physician records in Illinois.
All 3 in Crestwood → All 7,238 in Illinois → Every provider in Crestwood →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Zafar Ahmed, MD's NPI number?
Zafar Ahmed, MD's National Provider Identifier (NPI) is 1700872272, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Zafar Ahmed, MD located?
The NPPES record lists a practice address at 13755 Cicero Ave, Crestwood, IL, 60445. Phone: (708) 385-2400. Providers update this record themselves, so call before visiting.
How can I verify Zafar Ahmed, MD's license?
NPPES lists Illinois license number 036-089465, 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 Zafar Ahmed, MD prescribe under Medicare Part D?
In 2024, Zafar Ahmed, MD had 10,119 Medicare Part D claims for 574 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.