DR. TERRENCE PATRICK BRENNAN (M.D.) – Internal Medicine Physician, NPI 1366418667
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. TERRENCE PATRICK BRENNAN (M.D.)
27472 SCHOENHERR RD STE 100
WARREN, MI 480886675
Phone: (586) 751-8844
Fax: (586) 751-8596
Type: Location
30117, Schoenherr Road, Warren, Macomb County, Michigan, 48088, United States
SUITE 100
WARREN, MI 480886854
Phone: (586) 751-8844
Fax: (586) 751-8596
Type: Mailing
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 $159.
Total Amount is formed as General ($159) + Research ($0) + Ownership ($0) = $159.
Last reported payment date: 2024-09-17 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($51).
Total Amount
$159
General + Research + Ownership
Payments
8
Total payment records
General Amount
$159
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $51 |
| Grifols USA, LLC | $40 |
| Mylan Specialty L.P. | $24 |
| Regeneron Healthcare Solutions, Inc. | $23 |
| GENZYME CORPORATION | $20 |
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: 2008-05-30
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 |
|---|---|---|---|---|
| I20080530000764 | 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 | 201 | 131 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 187 | 129 | $0 |
| 99497 | Advance care planning, first 30 minutes | 183 | 181 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 179 | 179 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 177 | 177 | $0 |
Insurance plans in this area (ZIP 48088)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MI | 83036 | Hemoglobin A1C level | 31 | 28 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | MI | |
| - | MI | |
| Critical Care (Intensivists), Pulmonary Disease, Internal Medicine | MI | |
| Pulmonary Disease | MI |
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