NORTH IOWA MERCY CLINICS
NPI 1427333194
Nurse Practitioner in Mason City, IA

Active since October 13, 2011
621 S ILLINOIS AVE, SUITE 100, MASON CITY, IA 50401(641) 428-6900 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 5, 2026, Feb 19, 2020 (2 updates tracked since 2020).

About North Iowa Mercy Clinics NPPES

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

NORTH IOWA MERCY CLINICS (NPI 1427333194), doing business as Mercyone Weight Loss Center Arnp, is a healthcare organization registered as a nurse practitioner in Mason City, Iowa and active in the NPI registry since October 2011. The organization lists Mark C Trammel, Vp/finance, as its authorized official.

NPPES Registry Identity

NPI1427333194
Entity TypeOrganization
Primary Taxonomy363L00000X
Legal Business NameNORTH IOWA MERCY CLINICS
Location Address621 S ILLINOIS AVE, SUITE 100Mason City, IA 50401-5489
Mailing Address1000 4th St SwMason City, IA 50401-2800
Organization SubpartNo
Authorized OfficialMark C TrammelVp/finance · (641) 428-7984
Enumeration DateOctober 13, 2011
Last NPPES UpdateMarch 5, 20262 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
NPI 1427333194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

621 S ILLINOIS AVE, Mason City, IA 50401

Other Names 2

Doing Business AsMercyone Weight Loss Center Arnp
Other NameMercy Bariatric Center - Arnp

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 17

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

Family Medicine
621 S ILLINOIS AVE, SUITTE 100
MASON CITY, IA 50401
Nurse Practitioner (Family)
621 S ILLINOIS AVE, SUITE 100
MASON CITY, IA 50401
Dietitian, Registered
621 S ILLINOIS AVE
MASON CITY, IA 50401
Family Medicine
621 S ILLINOIS AVE, SUITE 100
MASON CITY, IA 50401
Family Medicine
621 S ILLINOIS AVE
MASON CITY, IA 50401
Family Medicine
621 S ILLINOIS AVE, SUITE 100
MASON CITY, IA 50401
Internal Medicine
621 S ILLINOIS AVE
MASON CITY, IA 50401
Pharmacist
621 S ILLINOIS AVE, SUITE 104
MASON CITY, IA 50401

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 North Iowa Mercy Clinics's NPI number?

The NPI number for North Iowa Mercy Clinics is 1427333194. It was assigned to this organization in the NPPES registry on October 13, 2011. The provider is doing business as MercyOne Weight Loss Center ARNP. The provider is also known as Mercy Bariatric Center - ARNP.

Where is North Iowa Mercy Clinics located?

North Iowa Mercy Clinics is located at 621 S Illinois Ave Suite 100, Mason City, IA 50401. The listed phone number is (641) 428-6900.

What is North Iowa Mercy Clinics's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for North Iowa Mercy Clinics was last updated on March 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.