MARY ELIZABETH POSTON (PA-C) – Medical Physician Assistant, NPI 1205170156
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,497 PHYSICIAN ASSISTANT in TX
Provider Addresses for MARY ELIZABETH POSTON (PA-C)
1201 N TRAVIS ST
LIBERTY, TX 775753539
Phone: (936) 334-8800
Fax: (936) 334-8801
Type: Mailing
2708 JEFFERSON DR STE A
LIBERTY, TX 775751036
Phone: (936) 334-8800
Fax: (936) 334-8801
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 31 Open Payments records for all available years, with a total value of $767.
Total Amount is formed as General ($767) + Research ($0) + Ownership ($0) = $767.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($208).
Total Amount
$767
General + Research + Ownership
Payments
31
Total payment records
General Amount
$767
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $208 |
| GlaxoSmithKline, LLC. | $137 |
| Merck Sharp & Dohme LLC | $129 |
| PFIZER INC. | $68 |
| Dexcom, Inc. | $38 |
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: 2013-07-10
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 |
|---|---|---|---|---|
| I20130710000327 | I | Physician Assistant | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 192 | 85 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 146 | 68 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 77 | 53 | $0 |
| 81000 | Manual urinalysis test with examination using microscope, non-automated | 73 | 50 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 73 | 46 | $0 |
Insurance plans in this area (ZIP 77575)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX |
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