MARIETTA DE GUZMAN (MD) – Pediatric Rheumatology Physician, NPI 1588744924
Pediatric Rheumatology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARIETTA DE GUZMAN (MD)
Texas Children's Hospital - Clinical Care Center, 6701, Fannin Street, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770302316
Phone: (832) 824-3800
Fax: (832) 825-3889
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 8 Open Payments records for all available years, with a total value of $25,283.
Total Amount is formed as General ($137) + Research ($25,145) + Ownership ($0) = $25,283.
Last reported payment date: 2024-10-12 • Largest payer in this snapshot: PFIZER INC. ($25,145).
Total Amount
$25,283
General + Research + Ownership
Payments
8
Total payment records
General Amount
$137
General payments
Research Amount
$25,145
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $25,145 |
| Surmodics, Inc. | $137 |
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: 2011-10-17
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 |
|---|---|---|---|---|
| I20111017000682 | I | Pediatric Medicine | TX | 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 77030)
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