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DR. ZAFAR AHMED MD
NPI 1700872272
Internal Medicine in Crestwood, IL

Active since September 21, 2005PECOS EnrolledAccepts Medicare Assignment
13755 CICERO AVE, CRESTWOOD, IL 60445(708) 385-2400(708) 385-7840 Get Directions Write a Review

NPPES record last updated: May 13, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Zafar Ahmed Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ZAFAR AHMED MD (NPI 1700872272) is an individual internal medicine provider in Crestwood, Illinois, licensed in Illinois (036-089465) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Rowan University School Of Osteopathic Medicine (1983).

NPPES Registry Identity

NPI1700872272
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ZAFAR AHMEDCredential: MD
Location Address13755 CICERO AVECrestwood, IL 60445-1824
Mailing Address901 Mcclintock Dr, Suite 202Burr Ridge, IL 60527-0872 · (888) 220-6432 · Fax (630) 654-4253
Phone(708) 385-2400
Fax(708) 385-7840
Sole ProprietorNo
Medical School CMSRowan University School Of Osteopathic MedicineGraduated 1983
Enumeration DateSeptember 21, 2005
Last NPPES UpdateMay 13, 2015
✔ NPI 1700872272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-089465
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
13755 CICERO AVE, Crestwood, IL 60445
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Other Identifiers 5

Medicare PINL55336IL
Medicare PINL55334IL
Medicare PINL55335IL
Medicaid036-089-465IL
Medicare UPING37901IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Zafar Ahmed Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577606524
PECOS Enrollment IDI20100130000023
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Zafar Ahmed reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Miinedoctor, Inc.
Same address
Internal Medicine
13755 CICERO AVE
Crestwood, IL 60418
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1144795279 (708) 972-7642
Asad Zaman MD Sc
4.4 mi
Internal Medicine
6700 167TH ST, SUITE 4
Tinley Park, IL 60477
  • Reassigned Medicare billing, Illinois enrollment
  • 22 clinicians in this Medicare group
NPI 1356393557 (708) 429-3700
Metro Infectious Disease Consultants, LLC
12 mi
Infectious Disease
901 MC CLINTOCK DRIVE, SUITE 202
Burr Ridge, IL 60527
  • Reassigned Medicare billing, Illinois enrollment
  • 122 clinicians in this Medicare group
NPI 1669797734 (630) 655-6742

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
383 services145 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
87 services18 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
81 services81 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
76 services60 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
48 services37 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
21 services19 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Ingalls Memorial Hospital

Acute Care Hospitals · Harvey, IL
2/5 CMS rating
OwnershipPhysician
CMS Certification Number140191
Location1 Ingalls DriveHarvey, IL 60426 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60445 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
21 suppliers52 claims153 services$6.00 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers31 claims49 services$1.13 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers25 claims25 services$65.06 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers20 claims22 services$183.78 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
3 suppliers15 claims15 services$24.23 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTEN VELDMAN
Physician Assistant
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (708) 385-2400
KAMO G SIDHWA MD
Internal Medicine (Infectious Disease)
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (888) 220-6432
DR. SAMPATH P KUMAR MD
Internal Medicine (Infectious Disease)
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (888) 220-6432
DR. JOYCE RII D.O.
Internal Medicine (Infectious Disease)
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (888) 220-6432
DR. DEBORAH A BASILE MD
Internal Medicine
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (888) 220-6432
DR. ROBERT M FLIEGELMAN DO
Internal Medicine (Infectious Disease)
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (888) 220-6432
DR. BRIAN C YU M.D.
Internal Medicine (Infectious Disease)
13755 CICERO AVE, SUITE 202
CRESTWOOD, IL 60445
Cook County (708) 385-2400
DOROTA Z. KREZOLEK M.D.
Internal Medicine (Infectious Disease)
13755 CICERO AVE
CRESTWOOD, IL 60445
Cook County (708) 385-2400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Zafar Ahmed's NPI number?

The NPI number for Zafar Ahmed is 1700872272. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Zafar Ahmed located?

Zafar Ahmed practices at 13755 Cicero Ave, Crestwood, IL 60445. The listed phone number is (708) 385-2400.

What is Zafar Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Zafar Ahmed enrolled in Medicare?

Yes. Zafar Ahmed is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Zafar Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zafar Ahmed reassigns Medicare benefits to 3 organizations: Miinedoctor, Inc. (Crestwood, IL), Asad Zaman MD Sc (Tinley Park, IL) and Metro Infectious Disease Consultants, LLC (Burr Ridge, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zafar Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Zafar Ahmed affiliated with any hospitals?

According to CMS data, Zafar Ahmed is affiliated with Advocate Trinity Hospital, Palos Community Hospital, Ingalls Memorial Hospital and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Zafar Ahmed was last updated on May 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.