DR. DEMETRA VLAGOS RUPP (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1518131903
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
455 ENDOCRINOLOGY in IL
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Provider Addresses for DR. DEMETRA VLAGOS RUPP (M.D.)
302, Randall Road, Geneva, Kane County, Illinois, 60134, United States
GENEVA, IL 601344209
Phone: (630) 208-6775
Fax: (630) 208-7937
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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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: 2008-12-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (890 days ago).
Enrollment records
1
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20081231000399 | I | Endocrinology | IL | 2023-12-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 3,240 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 376 | 224 | $0 |
| 83036 | Hemoglobin a1c level | 216 | 115 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 155 | 68 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 56 | 47 | $0 |
Insurance plans in this area (ZIP 60134)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | IL | 83036 | Hemoglobin A1C level | 253 | 111 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | IL | |
| Vascular Surgery | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| C H I R O P R A C T I C | IL | |
| Family Practice | IL | |
| Physical Medicine And Rehabilitation | CO | |
| - | IL | |
| Hospitalist, Family Practice | IL |
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