ROBERT M OBERSTEIN (MD, FACE) – Endocrinology, Diabetes & Metabolism Physician, NPI 1568404267
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
222 ENDOCRINOLOGY in CT
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Provider Addresses for ROBERT M OBERSTEIN (MD, FACE)
100, Retreat Avenue, Hartford, Hartford County, Connecticut, 06106, United States
SUITE 400
HARTFORD, CT 061062528
Phone: (860) 547-1278
Fax: (860) 547-1301
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)
CMS reports 513 Open Payments records for all available years, with a total value of $166,889.
Total Amount is formed as General ($166,889) + Research ($0) + Ownership ($0) = $166,889.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Lilly USA, LLC ($127,027).
Total Amount
$166,889
General + Research + Ownership
Payments
513
Total payment records
General Amount
$166,889
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $127,027 |
| Abbott Laboratories | $37,830 |
| Novo Nordisk Inc | $662 |
| Xeris Pharmaceuticals, Inc. | $210 |
| Corcept Therapeutics | $201 |
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: 2005-04-18
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 |
|---|---|---|---|---|
| I20050418001296 | I | Endocrinology | CT | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 7,860 | 79 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 436 | 234 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 281 | 202 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 219 | 71 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 146 | 79 | $0 |
Insurance plans in this area (ZIP 06106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Diagnostic Radiology | RI | |
| Pulmonary Disease, Critical Care (Intensivists) | CT | |
| Interventional Radiology, Diagnostic Radiology | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | MA | |
| - | CT | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | CT |
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