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DR. SAMUEL STAFFORD LYON MD
NPI 1417686858
Emergency Medicine in Fort Hood, TX

Active since June 09, 2022PECOS Enrolled
590 MEDICAL CENTER ROAD, FORT HOOD, TX 76544(254) 287-5410 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 10, 2025, Jul 27, 2022, Jun 9, 2022 (3 updates tracked since 2022).

About Dr. Samuel Stafford Lyon Md NPPES

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

DR. SAMUEL STAFFORD LYON MD (NPI 1417686858) is an individual emergency medicine provider in Fort Hood, Texas, licensed in Texas (V2778) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417686858
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. SAMUEL STAFFORD LYONCredential: MD
Location Address590 MEDICAL CENTER ROADFort Hood, TX 76544
Mailing Address590 Medical Center RoadFort Hood, TX 76544 · (254) 287-5410
Phone(254) 287-5410
Sole ProprietorYes
Enumeration DateJune 9, 2022
Last NPPES UpdateSeptember 10, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1417686858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · V2778
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
590 MEDICAL CENTER ROAD, Fort Hood, TX 76544
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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. Samuel Stafford Lyon Md 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 76544 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

SUSAN GAIL CLAPP CNM
Advanced Practice Midwife
590 MEDICAL CENTER ROAD
FORT CAVAZOS, TX 76544
Bell County (254) 288-8017
DELFINA ALEXANDER FNP-C
Nurse Practitioner (Family)
590 MEDICAL CENTER ROAD
APO, AA 76544
Bell County (254) 553-0920
DR. HENRY STEWARD HALTIWANGER DPT
Physical Therapist
590 MEDICAL CENTER ROAD
FORT HOOD, TX 76544
Bell County (254) 288-8888
DR. MICHAEL WAYNE CHAPMAN M.D.
Internal Medicine
590 MEDICAL CENTER ROAD
FORT HOOD, TX 76544
Bell County (254) 288-8888
MRS. MARYCRIS MEDINA SAMPAYAN P.T.
Physical Therapist
590 MEDICAL CENTER ROAD
FORT HOOD, TX 76544
Bell County (254) 288-1054
JOSE NUNEZ LCSW
Social Worker (Clinical)
590 MEDICAL CENTER ROAD
FORT CAVAZOS, TX 76544
Bell County (254) 402-9955
MS. VIVIAN SHENEL WALKER LCSW
Social Worker (Clinical)
590 MEDICAL CENTER ROAD
FORT CAVAZOS, TX 76544
Bell County (254) 287-7914
CHRISTINA NANETTE KEITH
Nurse Practitioner (Family)
590 MEDICAL CENTER ROAD
FORT CAVASOS, TX 76544
Bell County (254) 553-6008

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 Samuel Lyon's NPI number?

The NPI number for Samuel Lyon is 1417686858. It was assigned to this individual provider in the NPPES registry on June 9, 2022.

Where is Samuel Lyon located?

Samuel Lyon practices at 590 Medical Center Road, Fort Hood, TX 76544. The listed phone number is (254) 287-5410.

What is Samuel Lyon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Samuel Lyon enrolled in Medicare?

Yes. Samuel Lyon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Samuel Lyon was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.