Doctor profile · Federal record

Dr. Mark Leiker, M.D.

Family Medicine Physician (CMS: Family Practice) · Wichita, KS

  • NPI 1881698348
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7111 E 21St St N, Suite A
Wichita, KS 67206
(316) 684-2851
fax (316) 686-7338
Mailing address
7111 E 21St Street N, Suite A
Wichita, KS 67206

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
October 22, 2012
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Kansas #04-26415
Medicaid (2)
KS #100416440A · KS #100314730B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881698348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,039
Distinct HCPCS
10
Medicare allowed
$173,436
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 552 322 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 545 276 $84
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 316 316 $120
G0444 Annual depression screening, 5 to 15 minutes 303 303 $17
99214 Established patient office or other outpatient visit, 30-39 minutes 228 152 $119
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 153 112 $8
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 149 21 $1
93793 Anticoagulant management of patient taking warfarin 81 12 $11
G0008 Administration of influenza virus vaccine 71 71 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 68 68 $75

In context: peer comparison

Among 93 peers in this city , average services per provider: 96. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,077
Transactions
228
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 8 $551.07
Lilly USA, LLC 32 $362.83
ABBVIE INC. 56 $330.22
PFIZER INC. 48 $316.08
AstraZeneca Pharmaceuticals LP 11 $314.88
Amgen Inc. 18 $179.62
Novo Nordisk Inc 20 $170.79
GlaxoSmithKline, LLC. 13 $134.95
Antares Pharma, Inc. 5 $86.59
Nevro Corp. 3 $79.04
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $72.98
Dexcom, Inc. 4 $65.37
Radius Health, Inc. 2 $49.02
Lundbeck LLC 2 $37.44
Corcept Therapeutics 2 $37.03

By nature of payment

Food and Beverage
$3,077

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,632
Patients
1,011
Total drug cost
$47,581
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 410 120 $4,534
Lisinopril Generic 394 108 $3,291
Levothyroxine Sodium Generic 342 92 $4,526
Metoprolol Succinate Generic 275 84 $4,106
Amlodipine Besylate Generic 268 75 $1,696
Simvastatin Generic 261 69 $2,158
Metformin Hcl Er (Metformin Hcl) Brand 253 66 $3,884
Losartan Potassium Generic 219 60 $2,872
Tamsulosin Hcl Generic 217 66 $3,825
Rosuvastatin Calcium Generic 202 56 $4,243

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Leiker's medical specialty?
Dr. Mark Leiker practices Family Medicine Physician in Wichita, KS.
Where does Dr. Mark Leiker practice?
Dr. Mark Leiker practices at 7111 E 21St St N, Wichita, KS 67206. Office phone: 3166842851.
What is Dr. Mark Leiker's NPI?
Dr. Mark Leiker's National Provider Identifier (NPI) is 1881698348, issued by NPPES.
Does Dr. Mark Leiker accept Medicare assignment?
Yes. Dr. Mark Leiker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Leiker commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.