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

ETHAN MASSINGILL DO
NPI 1619665478
Internal Medicine in Seguin, TX

Active since April 28, 2023PECOS Enrolled
1215 E COURT ST, SEGUIN, TX 78155(830) 379-2411 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ethan Massingill Do NPPES

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

ETHAN MASSINGILL DO (NPI 1619665478) is an individual internal medicine provider in Seguin, Texas, licensed in Texas (W7368) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tyler.

NPPES Registry Identity

NPI1619665478
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameETHAN MASSINGILLCredential: DO
Location Address1215 E COURT STSeguin, TX 78155-5129
Mailing Address1215 E Court StSeguin, TX 78155-5129 · (830) 379-2411
Phone(830) 379-2411
Sole ProprietorNo
Enumeration DateApril 28, 2023
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1619665478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · W7368
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License BP10085240 (TX)
1215 E COURT ST, Seguin, TX 78155
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Secondary Practice Location 1

Location 111937 US Highway 271Tyler, TX 75708-3154 · Phone (903) 877-7200

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ethan Massingill Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78155 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 20

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

PAMELA JEAN LIZOTTE COTA
Occupational Therapy Assistant
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7418
MR. ROBERT BRADLEY RATHER MPAS, PA-C
Physician Assistant
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7332
MISS CASSANDRA ANGELA SCHILLER APRN, FNP-C
Nurse Practitioner
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 379-2411
GUADALUPE COUNTY HOSPITAL BOARD
Pharmacy (Institutional Pharmacy)
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7603
STERLING SMITH AGACNP-BC
Nurse Practitioner (Acute Care)
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 379-2411
MRS. PATRICIA ANN KETTLER R PH
Pharmacist
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7628
MRS. LAURA JOANNE LEWIS AGACNP-BC
Nurse Practitioner (Acute Care)
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7419
ALEX ROSIN M.D.
Emergency Medicine (Emergency Medical Services)
1215 E COURT ST
SEGUIN, TX 78155
Guadalupe County (830) 401-7204

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 Ethan Massingill's NPI number?

The NPI number for Ethan Massingill is 1619665478. It was assigned to this individual provider in the NPPES registry on April 28, 2023.

Where is Ethan Massingill located?

Ethan Massingill practices at 1215 E Court St, Seguin, TX 78155. The listed phone number is (830) 379-2411.

What is Ethan Massingill's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ethan Massingill enrolled in Medicare?

Yes. Ethan Massingill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ethan Massingill was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.