DR. STACY R NERENSTONE (M.D.) – Medical Oncology Physician, NPI 1295777613
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. STACY R NERENSTONE (M.D.)
85, Retreat Avenue, Hartford, Hartford County, Connecticut, 06106, United States
HARTFORD, CT 061062527
Phone: (860) 249-6291
Fax: (860) 728-0151
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-08-04
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 |
|---|---|---|---|---|
| I20050804000547 | I | Medical Oncology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06106)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | CT | 81002 | Urinalysis, manual test | 64 | 16 |
| MEDICAL ONCOLOGY | CT | 85610 | Blood test, clotting time | 75 | 23 |
| MEDICAL ONCOLOGY | CT | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 885 | 98 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | NY | |
| Physician Assistant | CT | |
| - | CT | |
| - | CT | |
| - | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Emergency Medicine | CT | |
| - | CT | |
| Clinical Psychologist | CT |
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