NORTH IOWA MERCY CLINICS
NPI 1609806371
Internal Medicine in Mason City, IA

Active since July 05, 2006
1000 4TH ST SW, MASON CITY, IA 50401(641) 428-6999(641) 428-6678 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, Aug 15, 2022, Nov 30, 2020 and 2 more (5 updates tracked since 2017).

About North Iowa Mercy Clinics NPPES

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

NORTH IOWA MERCY CLINICS (NPI 1609806371), doing business as Mercyone North Iowa Specialty Care, is a healthcare organization registered as an internal medicine in Mason City, Iowa and active in the NPI registry since July 2006. The organization maintains a secondary practice location in Mason City and lists Mark C Trammel, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1609806371
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameNORTH IOWA MERCY CLINICS
Location Address1000 4TH ST SWMason City, IA 50401-2800
Mailing Address1000 4th St SwMason City, IA 50401-2800
Fax(641) 428-6678
Organization SubpartNo
Authorized OfficialMark C TrammelVp Finance · (641) 428-7984
Enumeration DateJuly 5, 2006
Last NPPES UpdateMarch 5, 20265 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
NPI 1609806371 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.

1000 4TH ST SW, Mason City, IA 50401

Other Names 1

Doing Business AsMercyone North Iowa Specialty Care

Secondary Practice Location 1

Location 11010 4th St SW, Suite 305Mason City, IA 50401-2856 · Phone (641) 428-5700 · Fax (641) 428-2515

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

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.

Social Worker (Clinical)
1000 4TH ST SW, SUITE BS
MASON CITY, IA 50401
Internal Medicine
1000 4TH ST SW
MASON CITY, IA 50401
Hospitalist
1000 4TH ST SW, MERCY MEDICAL CENTER-HOSPITALIST DEPT
MASON CITY, IA 50401
Emergency Medicine
1000 4TH ST SW
MASON CITY, IA 50401
Nurse Practitioner (Family)
1000 4TH ST SW
MASON CITY, IA 50401
Nurse Anesthetist, Certified Registered
1000 4TH ST SW
MASON CITY, IA 50401
Hospitalist
1000 4TH ST SW, SUITE HOSP
MASON CITY, IA 50401
Nurse Practitioner
1000 4TH ST SW
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 1609806371. It was assigned to this organization in the NPPES registry on July 5, 2006. The provider is doing business as MercyOne North Iowa Specialty Care.

Where is North Iowa Mercy Clinics located?

North Iowa Mercy Clinics is located at 1000 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-6999.

What is North Iowa Mercy Clinics's specialty?

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

What insurance does North Iowa Mercy Clinics accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 1 other insurer list North Iowa Mercy Clinics 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 North Iowa Mercy Clinics was last updated on March 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.