COREY J. LAGER (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1295171189
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
300 ENDOCRINOLOGY in MI
Provider Addresses for COREY J. LAGER (MD)
24 Frank Lloyd Wright Drive
Domino's Farms, Lobby G, Suite 1500
Ann Arbor, MI 48106
Phone: (734) 647-5871
Type: Location
601 JOHN ST
BOX 39
KALAMAZOO, MI 490075341
Phone:
Type: Mailing
7901 S 12TH ST STE 200
PORTAGE, MI 490243831
Phone: (269) 341-8585
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 42 Open Payments records for all available years, with a total value of $692.
Total Amount is formed as General ($692) + Research ($0) + Ownership ($0) = $692.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($134).
Total Amount
$692
General + Research + Ownership
Payments
42
Total payment records
General Amount
$692
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $134 |
| Abbott Laboratories | $49 |
| Novo Nordisk Inc | $39 |
| Lilly USA, LLC | $38 |
| Dexcom, 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: 2018-07-25
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 |
|---|---|---|---|---|
| I20180725000480 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 255 | 175 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 111 | 49 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 49 | 31 | $0 |
| 76536 | Ultrasound scan of head and neck soft tissue | 30 | 28 | $0 |
Insurance plans in this area (ZIP 48106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Hand Surgery, Orthopedic Surgery | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MI | |
| Family Practice | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Endocrinology, Internal Medicine | MI | |
| Clinical Social Worker | MI | |
| Internal Medicine | MI |
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