MARY ELIZABETH POSTON PA-C
NPI 1205170156
Physician Assistant - Medical in Liberty, TX

Q: What is Mary Poston's NPI number?

The NPI number for Mary Poston is 1205170156. It was assigned to this individual provider in the NPPES registry on November 15, 2012.

Q: What is Mary Poston's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Mary Poston was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 15, 2012PECOS EnrolledAccepts Medicare Assignment

2708 JEFFERSON DR STE A, LIBERTY, TX 77575(936) 334-8800(936) 334-8801 Get Directions Write a Review

NPPES record last updated: February 19, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jun 6, 2023, Mar 7, 2023, Feb 27, 2023 (3 updates tracked since 2023).

On this page

About Mary Elizabeth Poston Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ELIZABETH POSTON PA-C (NPI 1205170156) is an individual medical provider in Liberty, Texas, licensed in Texas (PA03872) and active in the NPI registry since November 2012. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (2003).

NPPES Registry Identity

NPI1205170156

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameMARY ELIZABETH POSTONCredential: PA-C

Location Address2708 JEFFERSON DR STE ALiberty, TX 77575-1036

Mailing Address2708 Jefferson Dr Ste ALiberty, TX 77575-1036 · (936) 334-8800 · Fax (936) 334-8801

Phone(936) 334-8800

Fax(936) 334-8801

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2003

Enumeration DateNovember 15, 2012

Last NPPES UpdateFebruary 19, 20243 updates tracked since enumeration

NPPES CertifiedFebruary 19, 2024

✔ NPI 1205170156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in TX · PA03872

2708 JEFFERSON DR STE A, Liberty, TX 77575

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Elizabeth Poston Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870733165

PECOS Enrollment IDI20130710000327

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

197 services86 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

140 services67 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

96 services60 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

81 services21 patients

Manual urinalysis test with examination using microscope, non-automated 81000

A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.

74 services53 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

72 services39 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

72 services12 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

54 services26 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

46 services26 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

34 services34 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

29 services22 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 87636

This test detects the presence of SARS-CoV-2 (COVID-19) and Influenza types A and B in your body. It uses a method called the multiplex amplified probe technique to amplify and identify specific virus genes. It helps in early diagnosis and appropriate treatment.

20 services18 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

20 services20 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

11 services11 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450424

Location4401 Garth RoadBaytown, TX 77521 · Harris County

Emergency services Birthing friendly

Bayside Community Hospital

Critical Access Hospitals · Anahuac, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451320

Location200 Hospital DriveAnahuac, TX 77514 · Chambers County

Emergency services

Liberty Dayton Regional Medical Center

Critical Access Hospitals · Liberty, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451375

Location1353 N Travis StLiberty, TX 77575 · Liberty County

Emergency services

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers11 claims33 services$5.70 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers11 claims12 services$57.06 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers23 claims2,640 services$0.09 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

3 suppliers24 claims24 services$24.69 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FIRM FOUNDATIONS HEALTHCARE CLINIC PC

Family Medicine

2708 JEFFERSON DR STE A
LIBERTY, TX 77575

Liberty County (936) 334-8800

MS. MARIA GUADALUPE SANCHEZ PA-C

Physician Assistant

2708 JEFFERSON DR STE A
LIBERTY, TX 77575

Liberty County (936) 334-8800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Poston's NPI number?

The NPI number for Mary Poston is 1205170156. It was assigned to this individual provider in the NPPES registry on November 15, 2012.

Where is Mary Poston located?

Mary Poston practices at 2708 Jefferson Dr Ste A, Liberty, TX 77575. The listed phone number is (936) 334-8800.

What is Mary Poston's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Mary Poston enrolled in Medicare?

Yes. Mary Poston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Poston accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Mary Poston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Poston affiliated with any hospitals?

According to CMS data, Mary Poston is affiliated with Houston Methodist Baytown Hospital, Bayside Community Hospital and Liberty Dayton Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Poston was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.