Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NATHANIEL P AVILA M.D.
NPI 1346683323
Internal Medicine - Gastroenterology in Shenandoah, TX

Q: What is Nathaniel Avila's NPI number?

The NPI number for Nathaniel Avila is 1346683323. It was assigned to this individual provider in the NPPES registry on April 9, 2013.

Q: What is Nathaniel Avila's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Avila was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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 April 09, 2013PECOS Enrolled

17183 INTERSTATE 45 S STE 640, SHENANDOAH, TX 77385(936) 270-3880 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, May 22, 2026, Aug 8, 2022 (3 updates tracked since 2022).

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About Dr. Nathaniel P Avila M.d. NPPES

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

DR. NATHANIEL P AVILA M.D. (NPI 1346683323) is an individual gastroenterology provider in Shenandoah, Texas, licensed in North Dakota (24368) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1346683323

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. NATHANIEL P AVILACredential: M.D.

Location Address17183 INTERSTATE 45 S STE 640Shenandoah, TX 77385-3316

Mailing Address2181 Troon RdHouston, TX 77019-1511 · (281) 728-3017

Phone(936) 270-3880

Sole ProprietorNo

Enumeration DateApril 9, 2013

Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1346683323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in ND · 24368✔ Licensed in IA · MD-50847✔ Licensed in TX · S2225✔ Licensed in TN · 247265

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 247265 (TN)

17183 INTERSTATE 45 S STE 640, Shenandoah, TX 77385

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Secondary Practice Locations 3

Location 11601 NW 114th St Ste 342Clive, IA 50325-7036 · Phone (515) 222-7600 · Fax (515) 222-7601

Location 2130 W Ravine RdKingsport, TN 37660-3837 · Phone (423) 224-4000 · Fax (276) 258-3607

Location 31 Medical Park BlvdBristol, TN 37620-7430 · Phone (423) 844-1121

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nathaniel P Avila M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 2

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

20 services19 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77385 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

DR. HASSAN KARIM DAKIK M.D,

Internal Medicine (Gastroenterology)

17183 INTERSTATE 45 S STE 640
SHENANDOAH, TX 77385

Montgomery County (936) 280-3880

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 Nathaniel Avila's NPI number?

The NPI number for Nathaniel Avila is 1346683323. It was assigned to this individual provider in the NPPES registry on April 9, 2013.

Where is Nathaniel Avila located?

Nathaniel Avila practices at 17183 Interstate 45 S Ste 640, Shenandoah, TX 77385. The listed phone number is (936) 270-3880.

What is Nathaniel Avila's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nathaniel Avila enrolled in Medicare?

Yes. Nathaniel Avila is registered in the Medicare PECOS enrollment system.

What insurance does Nathaniel Avila accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Nathaniel Avila 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.

When was this NPI record last updated?

The NPPES record for Nathaniel Avila was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.