NORTH IOWA MERCY CLINICS
NPI 1003082736
Internal Medicine - Nephrology in Mason City, IA

Q: What is North Iowa Mercy Clinics's NPI number?

The NPI number for North Iowa Mercy Clinics is 1003082736. It was assigned to this organization in the NPPES registry on May 2, 2008. The provider is doing business as MercyOne North Iowa Kidney Care.

Q: What is North Iowa Mercy Clinics's specialty?

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

Active since May 02, 2008

910 N EISENHOWER AVE, MASON CITY, IA 50401(641) 428-7799(641) 428-5274 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 5, 2026, Nov 6, 2023, Nov 30, 2020 and 3 more (6 updates tracked since 2017).

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About North Iowa Mercy Clinics NPPES

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

NORTH IOWA MERCY CLINICS (NPI 1003082736), doing business as Mercyone North Iowa Kidney Care, is a healthcare organization registered as a nephrology in Mason City, Iowa and active in the NPI registry since May 2008. The organization lists Mark Trammel, Assistant Treasurer, as its authorized official.

NPPES Registry Identity

NPI1003082736

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameNORTH IOWA MERCY CLINICS

Location Address910 N EISENHOWER AVEMason City, IA 50401-1525

Mailing Address600 1st St Nw Ste 101Mason City, IA 50401-2932 · (734) 343-4233

Phone(641) 428-7799

Fax(641) 428-5274

Organization SubpartNo

Authorized OfficialMark TrammelAssistant Treasurer · (641) 428-7984

Enumeration DateMay 2, 2008

Last NPPES UpdateMarch 5, 20266 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1003082736 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.

910 N EISENHOWER AVE, Mason City, IA 50401

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Other Names 1

Doing Business AsMercyone North Iowa Kidney Care

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK C JOHNSON MD

Internal Medicine