IMRAN TAHIR – Internal Medicine Physician, NPI 1194012229
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
Provider Addresses for IMRAN TAHIR
1901 W HARRISON ST
CHICAGO, IL 606123714
Phone: (312) 864-6000
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $83.
Total Amount is formed as General ($83) + Research ($0) + Ownership ($0) = $83.
Last reported payment date: 2023-10-04 • Largest payer in this snapshot: Pharmacosmos Therapeutics Inc. ($44).
Total Amount
$83
General + Research + Ownership
Payments
3
Total payment records
General Amount
$83
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Pharmacosmos Therapeutics Inc. | $44 |
| Alexion Pharmaceuticals, Inc. | $21 |
| Horizon Therapeutics plc | $18 |
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: 2018-09-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20170106000797 | I | Nephrology | OK | TBD |
| I20180911002196 | I | Internal Medicine | TX | 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 | 494 | 284 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 383 | 56 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 368 | 91 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 83 | 83 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 71 | 61 | $0 |
Insurance plans in this area (ZIP 60612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Critical Care (Intensivists), Nephrology | OK | |
| Hematology/Oncology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | OKLAHOMA | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | OK | |
| R H E U M A T O L O G Y | NY | |
| Nurse Practitioner | OK | |
| Emergency Medicine | OK | |
| N E U R O S U R G E R Y | KS | |
| Nurse Practitioner | OK |
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