ALIREZA YARAHMADI MD
NPI 1619099975
Psychiatry & Neurology - Clinical Neurophysiology in Mason City, IA

Active since April 05, 2007PECOS EnrolledAccepts Medicare Assignment
1000 4TH ST SW, STE IM, MASON CITY, IA 50401(641) 428-6999(641) 428-6678 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 3, 2021, Jul 22, 2020 (2 updates tracked since 2020).

About Alireza Yarahmadi Md NPPES

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

ALIREZA YARAHMADI MD (NPI 1619099975) is an individual clinical neurophysiology provider in Mason City, Iowa, licensed in Iowa (37323) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1619099975
Entity TypeIndividualMale
Primary Taxonomy2084N0600X
Provider Legal NameALIREZA YARAHMADICredential: MD
Location Address1000 4TH ST SW, STE IMMason City, IA 50401-2800
Mailing Address600 1st St Nw Ste 101Mason City, IA 50401-2932
Fax(641) 428-6678
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateApril 5, 2007
Last NPPES UpdateJuly 14, 20252 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
✔ NPI 1619099975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0600X
License✔ Licensed in IA · 37323
Definition
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
1000 4TH ST SW, Mason City, IA 50401

Other Identifiers 4

Medicaid0200811IA
Other252452200IA · Mn Medicaid
Other70268IA · Bcbs
OtherP00473071IA · Rr

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alireza Yarahmadi 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 ID648363069
PECOS Enrollment IDI20070830000482
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.

Medicare Billing Reassignment

Medicare enrollment records show Alireza Yarahmadi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nurse Practitioner
1000 4TH ST SW
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 420 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 16

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.
993 services869 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
514 services183 patients
Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
330 services293 patients
Measurement of brain wave activity (eeg), awake and asleep 95819
The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.
328 services282 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.
216 services210 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
216 services202 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

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

Palo Alto County Hospital

Critical Access Hospitals · Emmetsburg, IA
OwnershipGovernment - Local
CMS Certification Number161357
Location3201 1st StreetEmmetsburg, IA 50536 · Palo Alto 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

Referred Medical Equipment & Supplies CMS DME claims 18

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
18 suppliers239 claims239 services$43.15 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
20 suppliers746 claims746 services$108.88 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
20 suppliers668 claims964 services$41.49 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
15 suppliers1,234 claims2,118 services$23.10 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
11 suppliers215 claims411 services$16.95 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
17 suppliers1,015 claims1,015 services$66.23 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 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 Alireza Yarahmadi's NPI number?

The NPI number for Alireza Yarahmadi is 1619099975. It was assigned to this individual provider in the NPPES registry on April 5, 2007.

Where is Alireza Yarahmadi located?

Alireza Yarahmadi practices at 1000 4th St SW Ste Im, Mason City, IA 50401. The listed phone number is (641) 428-6999.

What is Alireza Yarahmadi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.

Is Alireza Yarahmadi enrolled in Medicare?

Yes. Alireza Yarahmadi 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.

Which organization bills Medicare for Alireza Yarahmadi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alireza Yarahmadi reassigns Medicare benefits to North Iowa Mercy Clinics (Mason City, IA). The 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 Alireza Yarahmadi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alireza Yarahmadi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list Alireza Yarahmadi 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 Alireza Yarahmadi affiliated with any hospitals?

According to CMS data, Alireza Yarahmadi is affiliated with Mercyone North Iowa Medical Center, Hancock County Health System, Franklin General Hospital, Palo Alto County Hospital and Hansen Family Hospital.

When was this NPI record last updated?

The NPPES record for Alireza Yarahmadi was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.