NORTH IOWA MERCY CLINICS
NPI 1720182439
Family Medicine in Mason City, IA

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

The NPI number for North Iowa Mercy Clinics is 1720182439. It was assigned to this organization in the NPPES registry on September 12, 2006. The provider is doing business as MercyOne North Iowa Women's Health Care and Internal Medicine.

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

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since September 12, 2006

1631 4TH ST SW STE 114B, MASON CITY, IA 50401(641) 428-6000(641) 428-6007 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 5, 2026, Aug 15, 2022, Nov 30, 2020 and 2 more (5 updates tracked since 2017).

On this page

About North Iowa Mercy Clinics NPPES

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

NORTH IOWA MERCY CLINICS (NPI 1720182439), doing business as Mercyone North Iowa Women's Health Care And Internal Medicine, is a healthcare organization registered as a family medicine in Mason City, Iowa and active in the NPI registry since September 2006. The organization lists Mark C Trammel, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1720182439

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameNORTH IOWA MERCY CLINICS

Location Address1631 4TH ST SW STE 114BMason City, IA 50401-1612

Mailing Address1000 4th St SwMason City, IA 50401-2800 · (641) 428-6000

Phone(641) 428-6000

Fax(641) 428-6007

Organization SubpartNo

Authorized OfficialMark C TrammelVp Finance · (641) 428-7984

Enumeration DateSeptember 12, 2006

Last NPPES UpdateMarch 5, 20265 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1720182439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1631 4TH ST SW STE 114B, Mason City, IA 50401

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Other Names 1

Doing Business AsMercyone North Iowa Women's Health Care And Internal Medicine

Other Identifiers 2

Medicaid0239475IA

Other18592IA · Wellmark

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North Iowa Mercy Clinics is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

419

Medicare enrollment records show 419 clinicians reassign Medicare billing to North Iowa Mercy Clinics, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 206 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 49

Nurse Practitioner73

Certified Registered Nurse Anesthetist (CRNA)55

Family Practice44

Internal Medicine26

Cardiovascular Disease (Cardiology)23

Emergency Medicine20

Anesthesiology17

Obstetrics/Gynecology17

41 other specialties144

Nearest to this location (20)

See all 419

Janice Kirsch, MD

Internal Medicine

NPI 1992809636

1631 4TH ST SW
Mason City, IA 50401

(641) 422-6000

✔ PECOS✔ Accepts MedicareSame address

Hersi Moallin

Internal Medicine

NPI 1154818953

1631 4TH ST SW STE 114B
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Lynne Senty, DO

Family Practice

NPI 1588770788

1631 4TH ST SW STE 114A
Mason City, IA 50401

(641) 428-2506

✔ PECOSSame address

Brooke Stewart, ARNP

Nurse Practitioner

NPI 1043863970

1631 4TH ST SW SUITE 114B
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Victoria Stromer, ARNP

Nurse Practitioner

NPI 1003461807

1631 4TH ST SW
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Holly Wiseman, ARNP

Nurse Practitioner

NPI 1689349235

1631 4TH ST SW
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Evelyn Inga

Internal Medicine

NPI 1114509098

1631 4TH ST SW # 114B
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Jake Mullenbach, DO

Internal Medicine

NPI 1396440574

1631 4TH ST SW # 114B
Mason City, IA 50401

(641) 428-6000

✔ PECOS✔ Accepts MedicareSame address

Yen Chen Liu, MD

Dermatology

NPI 1316269160

1421 4TH ST SW
Mason City, IA 50401

(641) 428-2080

✔ PECOS✔ Accepts Medicare0.2 mi

Talon Jones, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1720463763

1410 6TH ST SW
Mason City, IA 50401

(641) 424-6704

✔ PECOS✔ Accepts Medicare0.2 mi

Sara Wolfe, ARNP

Nurse Practitioner

NPI 1558795252

520 S PIERCE AVE STE 150
Mason City, IA 50401

(641) 494-5000

✔ PECOS✔ Accepts Medicare0.2 mi

Zachary Fuller, DO

Internal Medicine

NPI 1770272031

1010 4TH ST SW STE 305
Mason City, IA 50401

(641) 428-5700

✔ PECOS✔ Accepts Medicare0.5 mi

Jennifer Arndt, MS, RDN, LD

Registered Dietitian or Nutrition Professional

NPI 1306407176

1010 4TH ST SW STE 120
Mason City, IA 50401

(641) 428-6020

✔ Accepts Medicare0.5 mi

Ryan Beardsley, MD

Obstetrics/Gynecology

NPI 1356870034

1010 4TH ST SW STE 220
Mason City, IA 50401

(641) 428-5100

✔ PECOS✔ Accepts Medicare0.5 mi

David Beck, MD

Neurosurgery

NPI 1710099809

1010 4TH ST SW SUITE 105
Mason City, IA 50401

(641) 428-7847

✔ PECOS0.5 mi

Joseph Behr, MD

Family Practice

NPI 1770699423

1010 4TH ST SW
Mason City, IA 50401

(641) 422-6020

✔ PECOS✔ Accepts Medicare0.5 mi

Crystal Menken, PSY.D

Clinical Psychologist

NPI 1891940730

1010 4TH ST SW SUITE 340
Mason City, IA 50401

(641) 428-7766

✔ PECOS✔ Accepts Medicare0.5 mi

Mohamed Abdi, MD

Radiation Oncology

NPI 1982162608

1000 4TH ST SW
Mason City, IA 50401

(641) 428-6330

✔ PECOS✔ Accepts Medicare0.5 mi

Sheela Ahari, MD

Anesthesiology

NPI 1518910462

1000 4TH ST SW
Mason City, IA 50401

(641) 422-7000

✔ PECOS✔ Accepts Medicare0.5 mi

Gabriel Bensaad-Johnson, DO

Emergency Medicine

NPI 1417538570

1000 4TH ST SW
Mason City, IA 50401

(641) 428-7000

✔ PECOS✔ Accepts Medicare0.5 mi

See all 419 clinicians

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

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 1720182439. It was assigned to this organization in the NPPES registry on September 12, 2006. The provider is doing business as MercyOne North Iowa Women's Health Care and Internal Medicine.

Where is North Iowa Mercy Clinics located?

North Iowa Mercy Clinics is located at 1631 4th St SW Ste 114B, Mason City, IA 50401. The listed phone number is (641) 428-6000.

What is North Iowa Mercy Clinics's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is North Iowa Mercy Clinics enrolled in Medicare?

Yes. North Iowa Mercy Clinics is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through North Iowa Mercy Clinics?

According to the CMS Revalidation Reassignment List (October 2026 release), 419 clinicians in 49 Medicare specialties reassign their Medicare billing to North Iowa Mercy Clinics. 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 Nurse Practitioner (73), Certified Registered Nurse Anesthetist (CRNA) (55) and Family Practice (44). Of these, 8 practice at this address and 206 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.