Doctor profile · Federal record

Dr. Kathleen Clark, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Obstetrics & Gynecology Physician · Amarillo, TX

  • NPI 1518103886
  • Accepts Medicare
  • MIPS 39.4 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5701 Time Square Blvd Ste 220
Amarillo, TX 791191178
(806) 350-7311
fax (806) 350-7361

Credentials & registration

NPPES · NUCC
NPI registered
December 2008 — 18 yrs on file
Profile last updated
March 28, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #42540 · New York #251181-1
Medicaid (3)
OK #200232280 A · NM #83982876 · TX #199457601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518103886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,831
Distinct HCPCS
10
Medicare allowed
$150,380
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 707 312 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 308 308 $124
99214 Established patient office or other outpatient visit, 30-39 minutes 244 188 $121
87804 Detection test by immunoassay with direct visual observation for influenza virus 96 41 $16
92548 Test for balance and posture 63 63 $46
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 60 15 $1
76706 Ultrasound scan of abdominal aorta 53 53 $100
99441 Telephone medical discussion with physician, 5-10 minutes 51 45 $34
81002 Urinalysis, manual test 42 28 $3
96372 Injection of drug or substance under skin or into muscle 41 18 $14

In context: peer comparison

Among 33 peers in this city , average services per provider: 205. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,307
Transactions
60
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 12 $213.28
Lilly USA, LLC 9 $195.01
Boehringer Ingelheim Pharmaceuticals, Inc. 6 $121.32
Novo Nordisk Inc 5 $116.27
Takeda Pharmaceuticals U.S.A., Inc. 5 $116.22
REVANCE THERAPEUTICS, INC. 1 $104.65
PFIZER INC. 5 $90.60
Amgen Inc. 4 $79.08
MERZ NORTH AMERICA, INC. 3 $60.70
AstraZeneca Pharmaceuticals LP 3 $60.43
Exact Sciences Corporation 2 $42.36
GlaxoSmithKline, LLC. 2 $39.85
Eisai Inc. 1 $30.92
Radius Health, Inc. 1 $18.85
Acella Pharmaceuticals, LLC 1 $17.81

By nature of payment

Food and Beverage
$1,307

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
822
Patients
362
Total drug cost
$13,601
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 184 84 $2,250
Omeprazole Generic 56 32 $866
Atorvastatin Calcium Generic 55 30 $660
Pantoprazole Sodium Generic 55 25 $1,013
Escitalopram Oxalate Generic 54 26 $1,115
Metformin Hcl Generic 51 27 $446
Tramadol Hcl Generic 48 0 $855
Losartan Potassium Generic 46 19 $642
Synthroid (Levothyroxine Sodium) Brand 45 20 $2,974
Rosuvastatin Calcium Generic 42 20 $808

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Clark's medical specialty?
Dr. Kathleen Clark practices Internal Medicine Physician in Amarillo, TX.
Where does Dr. Kathleen Clark practice?
Dr. Kathleen Clark practices at 5701 Time Square Blvd Ste 220, Amarillo, TX 791191178. Office phone: 8063507311.
What is Dr. Kathleen Clark's NPI?
Dr. Kathleen Clark's National Provider Identifier (NPI) is 1518103886, issued by NPPES.
Does Dr. Kathleen Clark accept Medicare assignment?
Yes. Dr. Kathleen Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Clark commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.