Doctor profile · Federal record

Dr. John Richart, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · St Louis, MO

  • NPI 1659480242
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3660 Vista
St Louis, MO 63110
(314) 577-8854
fax (314) 773-1167
Mailing address
3691 Rutger Ave, Provider Enrollment
St Louis, MO 63110

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 25, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Missouri #103575

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659480242. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
499
Distinct HCPCS
8
Medicare allowed
$57,533
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 164 24 $115
99214 Established patient office or other outpatient visit, 30-39 minutes 72 33 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 71 43 $114
99215 Established patient office or other outpatient visit, 40-54 minutes 54 30 $163
99213 Established patient office or other outpatient visit, 20-29 minutes 43 32 $82
99215 Established patient office or other outpatient visit, 40-54 minutes 39 22 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 31 24 $65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 23 $165

In context: peer comparison

Among 1 peers in St Louis Hematology & Oncology Physician, average services per provider: 62. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
317
Patients
26
Total drug cost
$1,392,597
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 38 11 $170
Morphine Sulfate ER (Morphine Sulfate) Brand 29 0 $1,163
Potassium Chloride Generic 28 0 $1,009
Prochlorperazine Maleate Generic 26 15 $1,163
Oxycodone Hcl Generic 23 0 $358
Cabometyx (Cabozantinib S-Malate) Brand 21 0 $587,682
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 20 0 $107
Tramadol Hcl Generic 20 0 $93
Fentanyl Generic 17 0 $1,850
Pantoprazole Sodium Generic 17 0 $354

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Richart's medical specialty?
Dr. John Richart practices Hematology & Oncology Physician in St Louis, MO.
Where does Dr. John Richart practice?
Dr. John Richart practices at 3660 Vista, St Louis, MO 63110. Office phone: 3145778854.
What is Dr. John Richart's NPI?
Dr. John Richart's National Provider Identifier (NPI) is 1659480242, issued by NPPES.
Does Dr. John Richart accept Medicare assignment?
Yes. Dr. John Richart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Richart commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.