STUART E SEROPIAN (MD) – Medical Oncology Physician, NPI 1871583328
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
151 MEDICAL ONCOLOGY in CT
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Provider Addresses for STUART E SEROPIAN (MD)
800, Howard Avenue, New Haven, New Haven County, Connecticut, 06519, United States
YALE PHYSICIANS' BUILDING, 2ND FLOOR
NEW HAVEN, CT 06519
Phone: (203) 785-4191
Fax: (203) 737-2617
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: 2011-01-20
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 |
|---|---|---|---|---|
| I20110120000634 | 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.
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 | 432 | 162 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 73 | 13 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 41 | 29 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 18 | 18 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 13 | 11 | $0 |
Insurance plans in this area (ZIP 06519)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| H E M A T O L O G Y/ O N C O L O G Y | CT | |
| Internal Medicine, Nephrology | SC | |
| - | CT | |
| - | NC | |
| Internal Medicine | CT | |
| - | CT | |
| Cardiac Surgery | CT | |
| - | CT | |
| - | CT |
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