JOHN E BRUNNER (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1245236793
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
300 ENDOCRINOLOGY in MI
Provider Addresses for JOHN E BRUNNER (M.D.)
100, West Central Avenue, Cumberland Street Historic District, Toledo, Lucas County, Ohio, 43608, United States
TOLEDO, OH 436063834
Phone: (419) 537-5111
Fax: (419) 537-5131
Type: Mailing
1221 SIXTH ST STE 208
TRAVERSE CITY, MI 496842360
Phone: (231) 935-2045
Fax: (231) 935-3420
Type: Mailing
West Central Avenue, Westgate, Toledo, Lucas County, Ohio, 43606:43615, United States
SUITE 100
TOLEDO, OH 436063834
Phone: (419) 537-5111
Fax: (419) 537-5131
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $569.
Total Amount is formed as General ($569) + Research ($0) + Ownership ($0) = $569.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($61).
Total Amount
$569
General + Research + Ownership
Payments
28
Total payment records
General Amount
$569
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $61 |
| Amryt Pharma Holdings Ltd | $49 |
| Horizon Therapeutics plc | $41 |
| Lilly USA, LLC | $41 |
| Halozyme Inc | $38 |
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: 2023-03-07
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 |
|---|---|---|---|---|
| I20230307000870 | I | Endocrinology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 147 | 119 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 111 | 76 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 32 | 18 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 43606)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | OH | 83036 | Hemoglobin A1C level | 1248 | 476 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| N E U R O S U R G E R Y | MI | |
| Internal Medicine | IL | |
| Family Practice | MI |
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