Doctor profile · Federal record

Dr. John Hornsby, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Denver, CO

  • NPI 1396701728
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
535 16Th St, Suite 750
Denver, CO 802024235
(303) 825-4646
fax (303) 825-3215

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 7, 2017
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Colorado #38005
Medicaid
CO #13052781

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396701728. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
773
Distinct HCPCS
10
Medicare allowed
$70,376
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 285 147 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 122 122 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 104 84 $81
G0009 Administration of pneumococcal vaccine 40 40 $31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 36 36 $283
G0008 Administration of influenza virus vaccine 35 35 $31
99215 Established patient office or other outpatient visit, 40-54 minutes 29 27 $135
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 28 28 $76
81002 Urinalysis, manual test 23 22 $3
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 20 19 $15

In context: peer comparison

Among 64 peers in Denver Hospitalist Physician, average services per provider: 73. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,342
Patients
696
Total drug cost
$35,340
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 278 95 $3,723
Levothyroxine Sodium Generic 274 77 $4,788
Amlodipine Besylate Generic 263 85 $2,206
Lisinopril Generic 177 56 $1,685
Metformin Hcl Generic 161 49 $1,747
Rosuvastatin Calcium Generic 160 51 $2,460
Gabapentin Generic 147 43 $3,792
Trazodone Hcl Generic 135 35 $1,384
Losartan Potassium Generic 128 45 $1,980
Omeprazole Generic 128 36 $1,922

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hornsby's medical specialty?
Dr. John Hornsby practices Hospitalist Physician in Denver, CO.
Where does Dr. John Hornsby practice?
Dr. John Hornsby practices at 535 16Th St, Denver, CO 802024235. Office phone: 3038254646.
What is Dr. John Hornsby's NPI?
Dr. John Hornsby's National Provider Identifier (NPI) is 1396701728, issued by NPPES.
Does Dr. John Hornsby accept Medicare assignment?
Yes. Dr. John Hornsby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hornsby commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.