DR. NIEVES MARIA ZALDIVAR (MD) – Pediatrics Physician, NPI 1053558569
Pediatrics Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. NIEVES MARIA ZALDIVAR (MD)
21444 CARMEAN WAY
GEORGETOWN, DE 199474572
Phone:
Type: Mailing
21 W CLARKE AVE STE 1001
MILFORD, DE 199631849
Phone: (302) 855-1233
Type: Location
21444 Carmean Way
Georgetown, DE 199474572
Phone: (302) 855-1233
Type: Location
300 High St
Seaford, DE 199733940
Phone: (302) 855-1233
Type: Location
121 S. Front Street
Seaford, DE 199733511
Phone: (302) 629-5030
Fax: (302) 629-5035
Type: Location
191, Mill Street, Rockport, Knox County, Maine, 04856, United States
PROVIDER ENROLLMENT DEPT
ROCKLAND, DE 197320191
Phone: (302) 651-6212
Fax: (302) 651-4945
Type: Mailing
121, South Front Street, Seaford Heights, Seaford, Sussex County, Delaware, 19973, United States
SEAFORD, DE 199733511
Phone: (302) 629-5030
Fax: (302) 629-5035
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $52.
Total Amount is formed as General ($52) + Research ($0) + Ownership ($0) = $52.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: PFIZER INC. ($20).
Total Amount
$52
General + Research + Ownership
Payments
3
Total payment records
General Amount
$52
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $20 |
| Lilly USA, LLC | $18 |
| Qiagen, LLC | $15 |
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: 2021-05-05
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 |
|---|---|---|---|---|
| I20210505000456 | I | Pediatric Medicine | DE | 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 19947)
Loading plans...
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.