IVONNE HERRERA (MD) – Rheumatology Physician, NPI 1992856785
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
25 RHEUMATOLOGY in DE
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Provider Addresses for IVONNE HERRERA (MD)
1350, Middleford Road, The Island, Seaford, Sussex County, Delaware, 19973, United States
SUITE 502
SEAFORD, DE 199733664
Phone: (302) 628-8300
Fax: (302) 628-8400
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 165 Open Payments records for all available years, with a total value of $3,978.
Total Amount is formed as General ($3,978) + Research ($0) + Ownership ($0) = $3,978.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($689).
Total Amount
$3,978
General + Research + Ownership
Payments
165
Total payment records
General Amount
$3,978
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $689 |
| Mallinckrodt Hospital Products Inc. | $573 |
| Janssen Biotech, Inc. | $451 |
| PFIZER INC. | $203 |
| AstraZeneca Pharmaceuticals LP | $185 |
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: 2015-04-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100120000120 | I | Rheumatology | DE | TBD |
| I20150414000945 | I | Rheumatology | MD | 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 |
|---|---|---|---|---|
| J0717 | Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 52,800 | 18 | $0 |
| J0897 | Injection, denosumab, 1 mg | 48,480 | 497 | $0 |
| J3262 | Injection, tocilizumab, 1 mg | 42,800 | 14 | $0 |
| J3111 | Injection, romosozumab-aqqg, 1 mg | 21,000 | 25 | $0 |
| J1602 | Injection, golimumab, 1 mg, for intravenous use | 18,800 | 27 | $0 |
Insurance plans in this area (ZIP 19973)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MD | |
| Nurse Practitioner | PA |
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