GUILLERMO MARQUEZ SR. MACIAS – Family Nurse Practitioner, NPI 1013547231
Family Nurse Practitioner
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
22,204 NURSE PRACTITIONER in TX
Provider Addresses for GUILLERMO MARQUEZ SR. MACIAS
545 Gulfgate Center Mall
Houston, TX 770873023
Phone: (832) 664-7429
Type: Location
908 SOUTHMORE AVE STE 100
PASADENA, TX 775021120
Phone: (713) 554-1091
Type: Mailing
4700 W SAM HOUSTON PKWY N
STE 200
HOUSTON, TX 770418224
Phone: (713) 402-7824
Fax: (713) 570-0196
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 44 Open Payments records for all available years, with a total value of $864.
Total Amount is formed as General ($864) + Research ($0) + Ownership ($0) = $864.
Last reported payment date: 2024-05-03 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($306).
Total Amount
$864
General + Research + Ownership
Payments
44
Total payment records
General Amount
$864
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $306 |
| Bayer Healthcare Pharmaceuticals Inc. | $179 |
| Novo Nordisk Inc | $114 |
| Lilly USA, LLC | $88 |
| GlaxoSmithKline, LLC. | $58 |
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: 2020-04-09
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 |
|---|---|---|---|---|
| I20200409002211 | I | Nurse Practitioner | 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 77087)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Nurse Practitioner | TX | |
| Family Practice | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Internal Medicine | FL | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | OH | |
| Family Practice | FL | |
| Internal Medicine | TX |
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