DR. ZAFAR AHMED (MD) – Internal Medicine Physician, NPI 1700872272
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for DR. ZAFAR AHMED (MD)
McClintock Drive, Burr Ridge, Lyons Township, Cook County, Illinois, 60480, United States
SUITE 202
BURR RIDGE, IL 605270872
Phone: (888) 220-6432
Fax: (630) 654-4253
Type: Mailing
13755, Cicero Avenue, Crestwood, Bremen Township, Cook County, Illinois, 60418, United States
CRESTWOOD, IL 604451824
Phone: (708) 385-2400
Fax: (708) 385-7840
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $260.
Total Amount is formed as General ($260) + Research ($0) + Ownership ($0) = $260.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: GENZYME CORPORATION ($131).
Total Amount
$260
General + Research + Ownership
Payments
8
Total payment records
General Amount
$260
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $131 |
| PFIZER INC. | $89 |
| Exact Sciences Corporation | $24 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-01-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100130000023 | I | Internal Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 361 | 205 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 261 | 48 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 242 | 161 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 108 | 43 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 87 | 87 | $0 |
Insurance plans in this area (ZIP 60527)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IL | |
| Family Practice | IL | |
| - | IL | |
| Family Practice | IL | |
| - | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL |
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