NORTH IOWA MERCY CLINICS
NPI 1942211982
Family Medicine in Mason City, IA

Active since August 11, 2006
3/5
Patient Care Rating
1010 4TH ST SW, SUITE 340, MASON CITY, IA 50401(641) 428-7766(641) 428-7788 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2026, Nov 30, 2020, Feb 18, 2020 and 1 more (4 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 1942211982), doing business as Mercyone North Iowa Family Medicine Residency, is a healthcare organization registered as a family medicine in Mason City, Iowa and active in the NPI registry since August 2006. The organization lists Mark C Trammel, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1942211982
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameNORTH IOWA MERCY CLINICS
Location Address1010 4TH ST SW, SUITE 340Mason City, IA 50401-2857
Mailing Address1000 4th St SwMason City, IA 50401-2800
Fax(641) 428-7788
Organization SubpartNo
Authorized OfficialMark C TrammelVp Finance · (641) 428-7984
Enumeration DateAugust 11, 2006
Last NPPES UpdateMarch 4, 20264 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1942211982 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.
1010 4TH ST SW, Mason City, IA 50401

Other Names 1

Doing Business AsMercyone North Iowa Family Medicine Residency

Other Identifiers 1

Medicaid0230169IA

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, 27 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
Internal Medicine
NPI 1285323535
1010 4TH ST SW STE 305
Mason City, IA 50401
(641) 428-5700
✔ PECOS✔ Accepts MedicareSame address
Registered Dietitian or Nutrition Professional
NPI 1306407176
1010 4TH ST SW STE 120
Mason City, IA 50401
(641) 428-6020
✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1356870034
1010 4TH ST SW STE 220
Mason City, IA 50401
(641) 428-5100
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1447275540
1010 4TH ST SW SUITE 32
Mason City, IA 50401
(641) 422-5100
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1710099809
1010 4TH ST SW SUITE 105
Mason City, IA 50401
(641) 428-7847
✔ PECOSSame address
Family Practice
NPI 1770699423
1010 4TH ST SW
Mason City, IA 50401
(641) 422-6020
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1982813622
1010 4TH ST SW SUITE 105
Mason City, IA 50401
(641) 428-7847
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1780795393
1010 4TH ST SW
Mason City, IA 50401
(641) 428-6020
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1073951570
1010 4TH ST SW STE 240
Mason City, IA 50401
(641) 428-7766
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1255362265
1010 4TH ST SW SUITE 32
Mason City, IA 50401
(641) 428-5100
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1518992932
1010 4TH ST SW SUITE 32
Mason City, IA 50401
(641) 428-5100
✔ PECOSSame address
Internal Medicine
NPI 1548408867
1010 4TH ST SW STE 305
Mason City, IA 50401
(641) 428-5700
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1295115798
1010 4TH ST SW SUITE 340
Mason City, IA 50401
(641) 428-7766
✔ PECOSSame address
Family Practice
NPI 1316390974
1010 4TH ST SW SUITE 340
Mason City, IA 50401
(641) 428-7766
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1063523090
1010 4TH ST SW SUITE 340
Mason City, IA 50401
(641) 428-7766
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1891940730
1010 4TH ST SW SUITE 340
Mason City, IA 50401
(641) 428-7766
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1548943509
1010 4TH ST SW SUITE 305
Mason City, IA 50401
(641) 428-5700
✔ PECOSSame address
Internal Medicine
NPI 1548377997
1010 4TH ST SW STE 305
Mason City, IA 50401
(641) 428-5700
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1174548259
1010 4TH ST SW SUITE 32
Mason City, IA 50401
(641) 422-2100
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1073202412
1010 4TH ST SW STE 305
Mason City, IA 50401
(641) 428-5700
✔ PECOS✔ Accepts MedicareSame address
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.

Home Health Quality Ratings CMS Care Compare

Quality ratings, patient care measures and outcomes for Mercyone North Iowa Home Care (CMS certification number 167140), from CMS Care Compare.

Mercyone North Iowa Home Care

Home health agency · Mason City, IA
3.5/5 Quality of Patient Care
OwnershipNonProfit
CMS Certification Number167140
Medicare-Certified SinceAugust 7, 1984
Services Offered
Skilled nursing care Physical therapy Occupational therapy Speech-language pathology Medical social services Home health aide services

Patient Care Measures

Patients whose home health care began in a timely manner
97.4%
Patients who got better at walking or moving around
89.5%
Patients who got better at getting in and out of bed
91.3%
Patients who got better at bathing
91%
Patients whose breathing improved
78.5%
Patients who got better at taking their drugs correctly by mouth
86.4%
Patients checked for a flu shot for the current season
62.7%
Physician-recommended actions on medication issues completed on time
97.8%
Patients with a functional assessment and care plan at admission and discharge
97.4%
Patients experiencing one or more falls with major injury
Lower rates are better for this measure.
0.9%
New or worsened pressure ulcers or injuries (skin integrity)
Lower rates are better for this measure.
0.5%
Measure rates are from the CMS Care Compare home health data. Measures without current CMS data are not shown.

Discharge, Readmission & Medicare Spending

Patients discharged to the community, remaining home without unplanned hospital care
473 of 576 patient episodes · observed rate 82.12%
86.7% Better Than National Rate
Potentially preventable hospital readmissions after discharge
597 patient stays · observed rate 5.19%
Lower rates are better for this measure.
4.64% Same As National Rate
Medicare spending per episode of care, relative to the national average
1.00 = national average per episode of care · based on 552 episodes
0.91
Risk-standardized rates account for differences in patient mix. Comparison labels are assigned by CMS.

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 1942211982. It was assigned to this organization in the NPPES registry on August 11, 2006. The provider is doing business as MercyOne North Iowa Family Medicine Residency.

Where is North Iowa Mercy Clinics located?

North Iowa Mercy Clinics is located at 1010 4th St SW Suite 340, Mason City, IA 50401. The listed phone number is (641) 428-7766.

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, 27 practice at this address and 206 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is North Iowa Mercy Clinics a Medicare-certified home health agency?

Yes. Mercyone North Iowa Home Care is a Medicare-certified home health agency, certified since August 7, 1984.

What quality rating does North Iowa Mercy Clinics have?

CMS rates Mercyone North Iowa Home Care 3.5 out of 5 stars for quality of patient care on Care Compare. The full measure detail is in the Home Health Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for North Iowa Mercy Clinics was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.