Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark A Leiker, M.D.

Q: What is the NPI number for Mark Leiker?

The National Provider Identifier (NPI) for Mark Leiker is 1881698348, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Wichita, KS · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1881698348

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark A Leiker

Credential M.D.

Sex Male

Practice address 7111 E 21st St N, Suite A, Wichita, KS, 67206

Phone (316) 684-2851

Fax (316) 686-7338

Enumeration date Jun 11, 2005

Last updated in NPPES Oct 22, 2012

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 04-26415 (KS) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
101600	Other	KS	BLUE CROSS INDIVIDUAL
100416440A	Medicaid	KS	-
080183217	Other	KS	RAILROAD MEDICARE
100314730B	Medicaid	KS	-
110718	Other	KS	BLUECROSS GROUP
621762	Other	KS	FIRSTGUARD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mark Leiker?

The National Provider Identifier (NPI) for Mark Leiker is 1881698348, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Leiker practice?

The practice location on file with NPPES is in Wichita, KS. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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David Netherton Family Medicine Physician · Wichita, KS NPI 1356345813 Joshua Darby Physical Therapist · Wichita, KS NPI 1033190327 Rhonda Charles Pharmacist · Wichita, KS NPI 1275501082 John Kraft Pharmacist · Wichita, KS NPI 1508834581 Family Prescription Shop Inc Community/Retail Pharmacy · Wichita, KS NPI 1679541585 Wichita Occupational Rehab & Solutions PA Physical Medicine & Rehabilitation Physician · Wichita, KS NPI 1568495117 Tallgrass Open Mri, L.L.C. Magnetic Resonance Imaging (MRI) Clinic/Center · Wichita, KS NPI 1659468718 Tallgrass Imaging Associates, L.L.C. Radiology Clinic/Center · Wichita, KS NPI 1124103379

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-22.