STUART LEE WARNAAR (MD) – Internal Medicine Physician, NPI 1245235472
Internal Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
Provider Addresses for STUART LEE WARNAAR (MD)
1105 SIXTH ST
TRAVERSE CITY, MI 496842345
Phone: (231) 252-0068
Fax: (231) 935-0613
Type: Mailing
5041 N ROYAL DR
TRAVERSE CITY, MI 496846986
Phone: (231) 935-0600
Fax: (231) 935-0613
Type: Location
224, Circle Drive, Grand Traverse Commons, Traverse City, Grand Traverse County, Michigan, 49684, United States
TRAVERSE CITY, MI 496842342
Phone: (231) 932-4880
Fax: (231) 935-0613
Type: Mailing
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 $355.
Total Amount is formed as General ($355) + Research ($0) + Ownership ($0) = $355.
Last reported payment date: 2024-10-04 • Largest payer in this snapshot: Astellas Pharma US Inc ($217).
Total Amount
$355
General + Research + Ownership
Payments
3
Total payment records
General Amount
$355
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $217 |
| Dexcom, Inc. | $138 |
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: 2006-02-09
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 |
|---|---|---|---|---|
| I20060209000246 | I | Internal Medicine | MI | 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 | 319 | 236 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 265 | 155 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 102 | 102 | $0 |
| G0008 | Administration of influenza virus vaccine | 65 | 63 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 63 | 62 | $0 |
Insurance plans in this area (ZIP 49684)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | MI | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MI | |
| Nurse Practitioner | MI | |
| - | MI | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | MI | |
| - | MI | |
| - | MI | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MI | |
| Nurse Practitioner | MI |
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