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IOWA KIDNEY PHYSICIANS, PC
NPI 1669427266
Internal Medicine - Nephrology in Des Moines, IA

Active since May 23, 2006CLIA 16D0383365 · Microscopy
1215 PLEASANT STREET, SUITE 100, DES MOINES, IA 50309(515) 336-6557(515) 461-2223 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Iowa Kidney Physicians, Pc NPPES

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

IOWA KIDNEY PHYSICIANS, PC (NPI 1669427266) is a healthcare organization registered as a nephrology in Des Moines, Iowa and active in the NPI registry since May 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Mark Miller Belz, President, as its authorized official.

NPPES Registry Identity

NPI1669427266
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameIOWA KIDNEY PHYSICIANS, PC
Location Address1215 PLEASANT STREET, SUITE 100Des Moines, IA 50309-1409
Mailing Address1215 Pleasant Street, Suite 100Des Moines, IA 50309-1409 · (515) 336-6557 · Fax (515) 461-2223
Phone(515) 336-6557
Fax(515) 461-2223
Organization SubpartNo
Authorized OfficialMark Miller BelzPresident · (515) 336-6557
Enumeration DateMay 23, 2006
Last NPPES UpdateJanuary 28, 2025
NPPES CertifiedJanuary 28, 2025
✔ NPI 1669427266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1215 PLEASANT STREET, Des Moines, IA 50309
Open in Google Maps ↗

Other Identifiers 1

Medicaid0099549IA

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Iowa Kidney Physicians, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

13

Medicare enrollment records show 13 clinicians reassign Medicare billing to Iowa Kidney Physicians, PC, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 13 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nephrology9
Nurse Practitioner4

Clinicians, nearest first (13)

Mark Belz, MD
Nephrology
NPI 1427012061
1215 PLEASANT STREET SUITE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Kanwaljit Chouhan, MD
Nephrology
NPI 1033384086
1215 PLEASANT STREET SUITE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Magdalena Dawson, APRN
Nurse Practitioner
NPI 1235610031
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 461-2223
✔ PECOS✔ Accepts MedicareSame address
Parvathy Geetha, MD
Nephrology
NPI 1962923664
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Candice Gruss, ARNP
Nurse Practitioner
NPI 1457961476
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Ivy Melgarejo
Nephrology
NPI 1518349992
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Arani Nanavati, MD
Nephrology
NPI 1538415575
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Johann Schmolck, MD
Nephrology
NPI 1629031471
1215 PLEASANT STREET SUITE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Jennifer Thompson, D.O.
Nephrology
NPI 1215224589
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Jana Van Haaften, NP
Nurse Practitioner
NPI 1780874081
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Sameer Yaseen, M.D.
Nephrology
NPI 1063415164
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 336-6557
✔ PECOS✔ Accepts MedicareSame address
Dhivya Sundaramurthy, M.D.
Nephrology
NPI 1790073328
1215 PLEASANT ST STE 100
Des Moines, IA 50309
(515) 241-5710
✔ PECOS✔ Accepts Medicare0.1 mi
Jessica Schaack, ARNP
Nurse Practitioner
NPI 1063567931
1215 PLEASENT STREET SUITE 100
Des Moines, IA 50309
(515) 241-5710
✔ PECOS✔ Accepts Medicare0.2 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

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 for Provider-Performed Microscopy Procedures (PPMP) 16D0383365

Iowa Kidney Physicians, PC · Des Moines, IA
Active · expires Aug 31, 2028
CLIA Number16D0383365
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorMark M. Belz
Laboratory Phone(515) 241-5710
Laboratory LocationIowa Kidney Physicians, PC1215 Pleasant Street Suite 100, Des Moines, IA 50309
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Iowa Kidney Physicians, PC's NPI number?

The NPI number for Iowa Kidney Physicians, PC is 1669427266. It was assigned to this organization in the NPPES registry on May 23, 2006.

Where is Iowa Kidney Physicians, PC located?

Iowa Kidney Physicians, PC is located at 1215 Pleasant Street Suite 100, Des Moines, IA 50309. The listed phone number is (515) 336-6557.

What is Iowa Kidney Physicians, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Iowa Kidney Physicians, PC enrolled in Medicare?

Yes. Iowa Kidney Physicians, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Iowa Kidney Physicians, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 2 Medicare specialties reassign their Medicare billing to Iowa Kidney Physicians, PC. 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 Nephrology (9) and Nurse Practitioner (4). Of these, 11 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Iowa Kidney Physicians, PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 16D0383365) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Iowa Kidney Physicians, PC was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.