DR. HAYAT A ALHAJ (M.D) – Internal Medicine Physician, NPI 1326167099
Internal Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. HAYAT A ALHAJ (M.D)
PO BOX 2370
HARKER HEIGHTS, TX 765480370
Phone: (254) 220-5294
Type: Mailing
36065 SANTA FE AVE
FORT CAVAZOS, TX 765445060
Phone: (254) 553-9661
Type: Mailing
1600 E HIGH ST
POTTSTOWN, PA 194645008
Phone: (310) 327-7000
Type: Location
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: 2024-08-26
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 |
|---|---|---|---|---|
| I20210615000086 | I | Internal Medicine | PA | TBD |
| I20240826000341 | I | Hospitalist | NY | 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 76548)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NY | |
| Diagnostic Radiology | MO | |
| Diagnostic Radiology | KY | |
| Diagnostic Radiology | MA | |
| Nurse Practitioner | PA | |
| - | NY | |
| Nurse Practitioner | PA | |
| Registered Dietitian Or Nutrition Professional | PA | |
| Gastroenterology, Internal Medicine | PA | |
| - | PA |
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