Doctor profile · Federal record

Dr. John Vernon, MD

Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO

  • NPI 1891793105
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12680 Olive Blvd Ste 100
Saint Louis, MO 631416322
(314) 251-8900

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
March 13, 2018
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #2001031156
Medicaid
MO #208988501

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891793105. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
895
Distinct HCPCS
10
Medicare allowed
$97,110
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 348 245 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 194 131 $125
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 184 184 $128
G0008 Administration of influenza virus vaccine 40 40 $30
90662 Influenza vaccine split virus, preservative free 37 37 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 23 23 $281
G0009 Administration of pneumococcal vaccine 23 23 $30
99496 Transitional care management services for problem of high complexity 17 15 $273
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 17 17 $164
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report 12 12 $14

In context: peer comparison

Among 216 peers in this city , average services per provider: 171. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$662
Transactions
34
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 10 $206.64
AstraZeneca Pharmaceuticals LP 9 $187.41
Novo Nordisk Inc 6 $99.22
Exact Sciences Corporation 4 $85.34
Phathom Pharmaceuticals, Inc. 4 $68.28
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $15.29

By nature of payment

Food and Beverage
$662

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,724
Patients
1,030
Total drug cost
$92,020
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 500 160 $4,986
Levothyroxine Sodium Generic 396 92 $45,995
Amlodipine Besylate Generic 362 110 $2,176
Alprazolam Generic 283 57 $1,290
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 242 36 $7,493
Gabapentin Generic 238 65 $5,101
Rosuvastatin Calcium Generic 236 79 $4,021
Omeprazole Generic 219 74 $2,985
Lisinopril Generic 217 67 $1,602
Metoprolol Succinate Generic 188 54 $3,477

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Vernon's medical specialty?
Dr. John Vernon practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. John Vernon practice?
Dr. John Vernon practices at 12680 Olive Blvd Ste 100, Saint Louis, MO 631416322. Office phone: 3142518900.
What is Dr. John Vernon's NPI?
Dr. John Vernon's National Provider Identifier (NPI) is 1891793105, issued by NPPES.
Does Dr. John Vernon accept Medicare assignment?
Yes. Dr. John Vernon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Vernon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.