DAVID THOMAS (M.D.) – Emergency Medicine Physician, NPI 1669499265
Emergency Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
2,845 EMERGENCY MEDICINE in IL
Provider Addresses for DAVID THOMAS (M.D.)
801 S MILWAUKEE AVE
LIBERTYVILLE, IL 600483204
Phone: (847) 362-2900
Type: Location
PO BOX 703
TRAVERSE CITY, MI 496850703
Phone: (866) 916-5259
Fax: (231) 922-4030
Type: Mailing
Louis A. Weiss Memorial Hospital, 4646, North Marine Drive, Uptown, Chicago, Lake View Township, Cook County, Illinois, 60640, United States
CHICAGO, IL 606405759
Phone: (847) 215-0000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $81.
Total Amount is formed as General ($81) + Research ($0) + Ownership ($0) = $81.
Last reported payment date: 2024-04-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($81).
Total Amount
$81
General + Research + Ownership
Payments
1
Total payment records
General Amount
$81
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $81 |
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: 2004-07-29
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 |
|---|---|---|---|---|
| I20040729000526 | I | Emergency 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 120 | 120 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 86 | 82 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 17 | 17 | $0 |
Insurance plans in this area (ZIP 60048)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | LA | |
| Family Practice | MI | |
| Emergency Medicine | IL | |
| Emergency Medicine | IL | |
| - | IL | |
| Emergency Medicine | IN | |
| Emergency Medicine, Family Practice | MI | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| Nurse Practitioner | IL |
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