Doctor profile · Federal record

Dr. Stephen Usala, MD PHD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Amarillo, TX

  • NPI 1992879563
  • Accepts Medicare
  • MIPS 95.6 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1215 S Coulter St, Ste 405
Amarillo, TX 791061758
(806) 358-8437
Additional location
1400 S Coulter St
Amarillo, TX 791061786
(806) 414-9100
fax (806) 354-5717

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 19, 2019
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Texas #J9835
Medicaid
TX #110634601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992879563. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
3
Medicare allowed
$18,332
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 125 61 $122
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $159
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $87

In context: peer comparison

Among 3 peers in this city , average services per provider: 132. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
219
Patients
56
Total drug cost
$10,798
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 104 28 $1,741
Hydrocortisone Generic 82 28 $7,385
Methimazole Generic 18 0 $194
Desmopressin Acetate (Desmopressin (Nonrefrigerated)) Brand 15 0 $1,478

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Usala's medical specialty?
Dr. Stephen Usala practices Endocrinology, Diabetes & Metabolism Physician in Amarillo, TX.
Where does Dr. Stephen Usala practice?
Dr. Stephen Usala practices at 1215 S Coulter St, Amarillo, TX 791061758. Office phone: 8063588437.
What is Dr. Stephen Usala's NPI?
Dr. Stephen Usala's National Provider Identifier (NPI) is 1992879563, issued by NPPES.
Does Dr. Stephen Usala accept Medicare assignment?
Yes. Dr. Stephen Usala accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Usala commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.