Doctor profile · Federal record

Dr. Stephen Thornton, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Medical Toxicology (Emergency Medicine) Physician · Medical Toxicology (Emergency Medicine) Physician · Kansas City, KS

  • NPI 1477560803
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4000 Cambridge Street 4045B Delp
Kansas City, KS 66160
(913) 914-6088
Additional location
2401 Gillham RD
Kansas City, MO 641084619
(559) 940-0421
Additional location
12784 Aberdeen CT
Leawood, KS 662092454
(559) 940-0421
Mailing address
12784 Aberdeen CT
Leawood, KS 662092454

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2019
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
Kansas #04-31362 · Missouri #2005011352 · California #A80775
Medicaid (2)
KS #200366630A · MO #202299129

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477560803. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
3
Medicare allowed
$9,009
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 41 41 $167
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 21 21 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $166

In context: peer comparison

Among 43 peers in Kansas City Emergency Medicine Physician, average services per provider: 103. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Csl Behring 2 $40.00

By nature of payment

Education
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$31,188
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 27 0 $7,538
Vivitrol (Naltrexone Microspheres) Brand 13 0 $23,110
Buprenorphine Hcl Generic 11 0 $541

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Thornton's medical specialty?
Dr. Stephen Thornton practices Emergency Medicine Physician in Kansas City, KS.
Where does Dr. Stephen Thornton practice?
Dr. Stephen Thornton practices at 4000 Cambridge Street 4045B Delp, Kansas City, KS 66160. Office phone: 9139146088.
What is Dr. Stephen Thornton's NPI?
Dr. Stephen Thornton's National Provider Identifier (NPI) is 1477560803, issued by NPPES.
Does Dr. Stephen Thornton accept Medicare assignment?
Yes. Dr. Stephen Thornton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Thornton commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.