Quick answers
- Does Abdolhossein Emami Ahari accept Medicare assignment?
- Yes. Medicare's clinician data says Abdolhossein Emami Ahari accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Abdolhossein Emami Ahari see?
- In 2024, CMS data shows 284 Original Medicare patients and 1,157 services for Abdolhossein Emami Ahari. This counts Original Medicare only and measures volume, not quality.
- What is Abdolhossein Emami Ahari's NPI number?
- 1578556429. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Abdolhossein Emami Ahari, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 284 |
|---|---|
| Services billed to Medicare | 1,157 |
| Different services or procedures | 82 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)91 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)76 services
- Colorectal cancer screening; colonoscopy on individual at high risk (G0105)41 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)29 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)23 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol73%
- High blood pressure71%
- Arthritis36%
- Diabetes26%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
- Depression23%
Hospitals where Abdolhossein Emami Ahari works
Medicare's Facility Affiliation Data lists Abdolhossein Emami Ahari at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hancock County Health SystemBritt, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161307
- Kossuth Regional Health CenterAlgona, IA · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 161353
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160064
Practice locations
Addresses where Abdolhossein Emami Ahari is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 4th St SWMason City, IA 50401
- 250 S Crescent DrMason City, IA 50401
- 635 E US Hwy 9, Mercyone Forest City Family MedicineForest City, IA 50436 (641) 585‑2904
Group practices
Medicare enrollment lists Abdolhossein Emami Ahari as a member of this group (CMS data updated October 2, 2026).
- North Iowa Mercy Clinics302 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Mason City
Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.
Other clinicians in North Iowa Mercy Clinics
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578556429 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians