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QUIVIRA INTERNAL MEDICINE INC
NPI 1871530279
Internal Medicine in Overland Park, KS

Active since June 02, 2006CLIA Certified · 2 labs
10601 QUIVIRA RD, SUITE 200, OVERLAND PARK, KS 66215(913) 541-3340(913) 492-7857 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 21, 2025, May 7, 2024 (2 updates tracked since 2024).

About Quivira Internal Medicine Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

QUIVIRA INTERNAL MEDICINE INC (NPI 1871530279) is a healthcare organization registered as an internal medicine in Overland Park, Kansas and active in the NPI registry since June 2006. The organization holds 2 active CLIA laboratory certificates and lists Benjamin Calkins, Group Vice President, as its authorized official.

NPPES Registry Identity

NPI1871530279
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameQUIVIRA INTERNAL MEDICINE INC
Location Address10601 QUIVIRA RD, SUITE 200Overland Park, KS 66215-2310
Mailing Address2000 Health Park DrBrentwood, TN 37027-4692 · (615) 373-7406
Phone(913) 541-3340
Fax(913) 492-7857
Organization SubpartNo
Authorized OfficialBenjamin CalkinsGroup Vice President · (615) 372-6536
Enumeration DateJune 2, 2006
Last NPPES UpdateNovember 21, 20252 updates tracked since enumeration
NPPES CertifiedNovember 21, 2025
✔ NPI 1871530279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
10601 QUIVIRA RD, Overland Park, KS 66215
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Other Identifiers 1

Medicaid200306720AKS

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Quivira Internal Medicine Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Quivira Internal Medicine Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Internal Medicine10
Nurse Practitioner1

Clinicians, nearest first (11)

Jesse Bashor, DO
Internal Medicine
NPI 1063161339
10601 QUIVIRA RD STE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts MedicareSame address
David Ewart, MD
Internal Medicine
NPI 1659331924
10601 QUIVIRA RD STE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Michelle Lester, MD
Internal Medicine
NPI 1699735571
10601 QUIVIRA RD SUITE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Mark Sankoorikal, M.D.
Internal Medicine
NPI 1356795868
10601 QUIVIRA RD STE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
George Stamos, MD
Internal Medicine
NPI 1710971411
10601 QUIVIRA RD SUITE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Timothy Kamerzell, MD, PHD
Internal Medicine
NPI 1518349109
10601 QUIVIRA RD STE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Vijaya Samuel, MD
Internal Medicine
NPI 1104810803
10601 QUIVIRA RD SUITE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Shazia Walijan Munir, M.D.
Internal Medicine
NPI 1255597399
10601 QUIVIRA RD SUITE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Lori Knudtson, APN
Nurse Practitioner
NPI 1649265505
10550 QUIVIRA RD SUITE 200
Overland Park, KS 66215
(913) 541-3340
✔ PECOS✔ Accepts Medicare0.1 mi
Erin Lockard, MD
Internal Medicine
NPI 1881789253
3401 N BROAD ST
Philadelphia, PA 19140
(215) 707-9403
✔ PECOS✔ Accepts Medicare1,047 mi
Joshua Pak, DO
Internal Medicine
NPI 1003518705
1501 W SUNSET RD
Henderson, NV 89014
(725) 269-7001
✔ PECOS1,132 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 17D0449611

Quivira Internal Medicine, LLC · Overland Park, KS
Active · expires Mar 30, 2028
CLIA Number17D0449611
Laboratory TypePhysician Office
Certificate Effective DateMarch 31, 2026
Certificate Expiration DateMarch 30, 2028
Laboratory DirectorShazia Walijan-Munir
Laboratory Phone(913) 894-7351
Laboratory LocationQuivira Internal Medicine, LLC10601 Quivira Road, Overland Park, KS 66215
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 17D2330614

Quivira Internal Medicine LLC · Stanley, KS
Active · expires Sep 17, 2027
CLIA Number17D2330614
Laboratory TypePhysician Office
Certificate Effective DateSeptember 18, 2025
Certificate Expiration DateSeptember 17, 2027
Laboratory DirectorShazia Walijan-Munir
Laboratory Phone(913) 541-3340
Laboratory LocationQuivira Internal Medicine LLC15101 Glenwood Ave, Suite 100, Stanley, KS 66223
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Quivira Internal Medicine Inc's NPI number?

The NPI number for Quivira Internal Medicine Inc is 1871530279. It was assigned to this organization in the NPPES registry on June 2, 2006.

Where is Quivira Internal Medicine Inc located?

Quivira Internal Medicine Inc is located at 10601 Quivira Rd Suite 200, Overland Park, KS 66215. The listed phone number is (913) 541-3340.

What is Quivira Internal Medicine Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Quivira Internal Medicine Inc enrolled in Medicare?

Yes. Quivira Internal Medicine Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quivira Internal Medicine Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 2 Medicare specialties reassign their Medicare billing to Quivira Internal Medicine Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (10) and Nurse Practitioner (1). Of these, 1 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Quivira Internal Medicine Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Quivira Internal Medicine Inc accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Anthem Blue Cross and Blue Shield list Quivira Internal Medicine Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Quivira Internal Medicine Inc was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.