Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK A MAHONEY M.D.
NPI 1427028554
Family Medicine in Mason City, IA

Active since January 23, 2006PECOS EnrolledAccepts Medicare Assignment
2800 4TH ST SW STE 8, MASON CITY, IA 50401(641) 424-0000(641) 424-6762 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2026, Mar 30, 2021 (2 updates tracked since 2021).

About Dr. Mark A Mahoney M.d. NPPES

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

DR. MARK A MAHONEY M.D. (NPI 1427028554) is an individual family medicine provider in Mason City, Iowa, licensed in Iowa (24900) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1984).

NPPES Registry Identity

NPI1427028554
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARK A MAHONEYCredential: M.D.
Location Address2800 4TH ST SW STE 8Mason City, IA 50401-1596
Mailing Address2800 4th St Sw Ste 8Mason City, IA 50401-1596 · (641) 424-0000 · Fax (641) 424-6762
Fax(641) 424-6762
Sole ProprietorYes
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1984
Enumeration DateJanuary 23, 2006
Last NPPES UpdateJuly 9, 20262 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1427028554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IA · 24900
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.
2800 4TH ST SW STE 8, Mason City, IA 50401

Other Identifiers 2

Other27189IA · Blue Cross Of Iowa #
Medicaid0029413IA

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

Dr. Mark A Mahoney M.d. 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 ID6901855931
PECOS Enrollment IDI20050118000325
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 12

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
248 services117 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
165 services97 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
117 services77 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
59 services59 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
55 services55 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
52 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Hancock County Health System

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

Mitchell County Regional Health

Critical Access Hospitals · Osage, IA
OwnershipGovernment - Local
CMS Certification Number161323
Location616 North Eighth StreetOsage, IA 50461 · Mitchell 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
81%189 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%208 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers26 claims40 services$6.10 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers11 claims62 services$3.22 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers16 claims16 services$54.95 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$112.00 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
2 suppliers23 claims1,050 services$0.74 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers26 claims26 services$21.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

Family Medicine
2800 4TH ST SW STE 8
MASON CITY, IA 50401
Family Medicine
2800 4TH ST SW STE 8
MASON CITY, IA 50401
Family Medicine
2800 4TH ST SW STE 8
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 Mark Mahoney's NPI number?

The NPI number for Mark Mahoney is 1427028554. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Mark Mahoney located?

Mark Mahoney practices at 2800 4th St SW Ste 8, Mason City, IA 50401. The listed phone number is (641) 424-0000.

What is Mark Mahoney's specialty?

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

Is Mark Mahoney enrolled in Medicare?

Yes. Mark Mahoney 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 Mark Mahoney 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 2 other insurers list Mark Mahoney 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 Mark Mahoney affiliated with any hospitals?

According to CMS data, Mark Mahoney is affiliated with Mercyone North Iowa Medical Center, Hancock County Health System and Mitchell County Regional Health.

When was this NPI record last updated?

The NPPES record for Mark Mahoney was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.