Doctor profile · Federal record

Dr. Tanner Johanns, MD

Medical Oncology Physician (CMS: Medical Oncology) · Saint Louis, MO

  • NPI 1619222502
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Div Im Medical Oncology, Ste 7A, 7B, 7C
Saint Louis, MO 631101032
(800) 647-2098
fax (314) 362-3192
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Missouri #2013039279
Medicaid
MO #200059128

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619222502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
36,325
Distinct HCPCS
10
Medicare allowed
$863,184
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 9,200 13 $53
J9263 Injection, oxaliplatin, 0.5 mg 7,000 12 $0
J9034 Injection, bendamustine hcl (bendeka), 1 mg 3,561 14 $16
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 3,090 25 $29
J1453 Injection, fosaprepitant, 1 mg 2,850 17 $0
J9025 Injection, azacitidine, 1 mg 2,300 11 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,680 91 $0
J1561 Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg 1,050 13 $48
J2469 Injection, palonosetron hcl, 25 mcg 1,020 67 $1
J0640 Injection, leucovorin calcium, per 50 mg 586 16 $4

In context: peer comparison

Among 44 peers in Saint Louis Medical Oncology Physician, average services per provider: 919. This provider delivers 40× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Servier Pharmaceuticals LLC 1 $99.32

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
81
Total drug cost
$8,481
Drug Type Claims Patients Total cost
Prednisone Generic 45 17 $299
Dexamethasone Generic 44 20 $721
Prochlorperazine Maleate Generic 40 27 $1,133
Ondansetron Hcl Generic 32 17 $515
Levetiracetam Generic 27 0 $2,270
Lacosamide Generic 26 0 $2,097
Levothyroxine Sodium Generic 22 0 $197
Hydroxychloroquine Sulfate Generic 21 0 $395
Amlodipine Besylate Generic 18 0 $81
Escitalopram Oxalate Generic 18 0 $87

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tanner Johanns's medical specialty?
Dr. Tanner Johanns practices Medical Oncology Physician in Saint Louis, MO.
Where does Dr. Tanner Johanns practice?
Dr. Tanner Johanns practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 8006472098.
What is Dr. Tanner Johanns's NPI?
Dr. Tanner Johanns's National Provider Identifier (NPI) is 1619222502, issued by NPPES.
Does Dr. Tanner Johanns accept Medicare assignment?
Yes. Dr. Tanner Johanns accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanner Johanns commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, oxaliplatin, 0.5 mg (HCPCS J9263); Injection, bendamustine hcl (bendeka), 1 mg (HCPCS J9034). Source: CMS Medicare Physician & Other Practitioners file.