NAWAAL M NASSER (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1841441490
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,394 PATHOLOGY in TX
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Provider Addresses for NAWAAL M NASSER (M.D.)
PO BOX 2129
ODESSA, TX 797602129
Phone: (432) 640-2401
Fax: (432) 640-4606
Type: Mailing
Medical Center Hospital, 500, West 4th Street, Scharbauer Place, Westside, Odessa, Ector County, Texas, 79761, United States
ODESSA, TX 797615001
Phone: (432) 640-4000
Fax: (432) 640-1337
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $15.
Total Amount is formed as General ($15) + Research ($0) + Ownership ($0) = $15.
Last reported payment date: 2023-06-14 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($15).
Total Amount
$15
General + Research + Ownership
Payments
1
Total payment records
General Amount
$15
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme 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: 2024-01-08
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 |
|---|---|---|---|---|
| I20130927000264 | I | Pathology | TX | TBD |
| I20240108000783 | I | Pathology | FL | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 323 | 208 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 123 | 43 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 89 | 69 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 59 | 43 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 44 | 40 | $0 |
Insurance plans in this area (ZIP 79760)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | TX | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 114 | 105 |
| PATHOLOGY | TX | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 71 | 58 |
| PATHOLOGY | TX | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 33 | 30 |
| PATHOLOGY | TX | 88342 | Tissue or cell analysis by immunologic technique | 111 | 100 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | FL | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | FL | |
| P A T H O L O G Y | FL |
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