FNU DAYAWA DA AGOONS MD
NPI 1083174429
Internal Medicine in Mason City, IA

Active since March 21, 2019PECOS EnrolledAccepts Medicare Assignment
1000 4TH ST SW, MASON CITY, IA 50401(641) 428-6615 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 24, 2025, Sep 26, 2022, Feb 3, 2021 and 1 more (4 updates tracked since 2019).

About Fnu Dayawa Da Agoons Md NPPES

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

FNU DAYAWA DA AGOONS MD (NPI 1083174429) is an individual internal medicine provider in Mason City, Iowa, licensed in Iowa (49000) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1083174429
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFNU DAYAWA DA AGOONSCredential: MD
Location Address1000 4TH ST SWMason City, IA 50401-2800
Mailing Address1000 4th St SwMason City, IA 50401-2800 · (641) 428-6615
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 21, 2019
Last NPPES UpdateNovember 24, 20254 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
NPI 1083174429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IA · 49000
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

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Fnu Dayawa Da Agoons Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456687284
PECOS Enrollment IDI20220923002854
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
352 services161 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
312 services297 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
194 services106 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
148 services145 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercyone North Iowa Medical Center

Acute Care Hospitals · Mason City, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160064
Location1000 Fourth Street SWMason City, IA 50401 · Cerro Gordo County
Emergency services Birthing friendly

Iowa Specialty Hospital - Belmond

Critical Access Hospitals · Belmond, IA
OwnershipGovernment - Local
CMS Certification Number161301
Location403 First Street SEBelmond, IA 50421 · Wright County
Emergency services

Hancock County Health System

Critical Access Hospitals · Britt, IA
OwnershipGovernment - Local
CMS Certification Number161307
Location532 1st St NWBritt, IA 50423 · Hancock County
Emergency services

Franklin General Hospital

Critical Access Hospitals · Hampton, IA
OwnershipGovernment - Local
CMS Certification Number161308
Location1720 Central Avenue EastHampton, IA 50441 · Franklin County
Emergency services

Hansen Family Hospital

Critical Access Hospitals · Iowa Falls, IA
OwnershipGovernment - Local
CMS Certification Number161380
Location920 South Oak StreetIowa Falls, IA 50126 · Hardin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Fnu Dayawa Da Agoons's NPI number?

The NPI number for Fnu Dayawa Da Agoons is 1083174429. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Fnu Dayawa Da Agoons located?

Fnu Dayawa Da Agoons practices at 1000 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-6615.

What is Fnu Dayawa Da Agoons's specialty?

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

Is Fnu Dayawa Da Agoons enrolled in Medicare?

Yes. Fnu Dayawa Da Agoons is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Fnu Dayawa Da Agoons 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 Fnu Dayawa Da Agoons 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.

Is Fnu Dayawa Da Agoons affiliated with any hospitals?

According to CMS data, Fnu Dayawa Da Agoons is affiliated with Mercyone North Iowa Medical Center, Iowa Specialty Hospital - Belmond, Hancock County Health System, Franklin General Hospital and Hansen Family Hospital.

When was this NPI record last updated?

The NPPES record for Fnu Dayawa Da Agoons was last updated on November 24, 2025. 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.