Dr. John Francis Maesaka, MD
- Medicare services, 2022
- 26
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1400 W Ice Lake Road, Iron River, MI 49935
- Practice phone
- Call (906) 265-6121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maesaka's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Francis Maesaka is a diagnostic radiologist in Iron River, Michigan
Dr. Maesaka practices at Aspirus Iron River Hospital in Iron River, Michigan, part of Aspirus.
Dr. Maesaka's NPI, 1861500670, was assigned on August 29, 2006. Dr. Maesaka graduated from Indiana University School of Medicine in 1986. Dr. Maesaka holds Michigan license 4301052209.
- NPI
- 1861500670NPI Registry (opens in a new tab)
- NPI enumeration date
- August 29, 2006
- NPI status
- Active
- Practice phone
- (906) 265-6121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Francis Maesaka practices at Aspirus Iron River Hospital in Iron River, Michigan
Dr. Maesaka's primary practice is Aspirus Iron River Hospital, at 1400 W Ice Lake Road, Iron River, MI 49935 in Iron County. The practice phone is (906) 265-6121.
- Aspirus Iron River Hospital1400 W Ice Lake Road, Iron River, MI 49935 · Iron CountyPhone(906) 265-6121
Source: Dmand AI Affiliation Data
Dr. John Francis Maesaka is affiliated with 1 site of care and 1 medical group
Dr. Maesaka's primary practice is Aspirus Iron River Hospital in Iron River, Michigan, part of Aspirus. The medical group on file is Aspirus Iron River Hospital & Clinics. Dr. Maesaka's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Francis Maesaka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maesaka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspirus Iron River Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Aspirus and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Francis Maesaka is one of 1,181 diagnostic radiologists in Michigan
Diagnostic radiology is Dr. Maesaka's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Maesaka is licensed in Michigan.
Specialties and state licenses
- Diagnostic radiology, MichiganPrimary
Diagnostic radiologists near Dr. Maesaka
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Francis Maesaka billed Medicare for 26 services in 2022
CMS data shows 26 Medicare services from Dr. Maesaka across 1 procedure code in 2022. Medicare paid $184 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Maesaka's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Imaging
- 2021: 292022: 2610%
Dr. Maesaka compared with the Michigan median for diagnostic radiologists, 2022
- Dr. Maesaka
- Michigan median
- Medicare services
- 26vs 1,65898% below
Medians across 1,132 diagnostic radiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Maesaka's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Francis Maesaka's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Maesaka's median patient age at 11, with 0% women.
Dr. Maesaka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. John Francis Maesaka scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Maesaka for performance year 2024, reported as part of a group.
Dr. Maesaka's MIPS scores, performance year 2024
- 96of 100Final score
- 89.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Francis Maesaka graduated from Indiana University School of Medicine
Dr. Maesaka graduated from Indiana University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Francis Maesaka's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Francis Maesaka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Francis Maesaka's NPI number?
Dr. John Francis Maesaka's NPI number is 1861500670. It was assigned on August 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Francis Maesaka?
Dr. John Francis Maesaka is a diagnostic radiologist in Iron River, Michigan. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John Francis Maesaka practice?
Dr. Maesaka practices at 1400 W Ice Lake Road, Iron River, MI 49935. Dr. Maesaka's primary practice is Aspirus Iron River Hospital in Iron River, Michigan, part of Aspirus.
What is Dr. John Francis Maesaka's office phone number?
The practice phone on file for Dr. Maesaka is (906) 265-6121.
What is Dr. John Francis Maesaka's medical license number?
Dr. Maesaka holds Michigan license 4301052209.
Which hospitals is Dr. John Francis Maesaka affiliated with?
Dr. Maesaka practices at Aspirus Iron River Hospital in Iron River, Michigan.
What medical group is Dr. John Francis Maesaka part of?
Dr. Maesaka is linked to Aspirus Iron River Hospital & Clinics.
Does Dr. John Francis Maesaka accept Medicare?
Yes. CMS data shows Dr. Maesaka billed Medicare for 26 services in 2022.
What is Dr. John Francis Maesaka's MIPS score?
Dr. Maesaka's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
What services does Dr. John Francis Maesaka bill to Medicare?
In 2022, Dr. Maesaka's most billed Medicare services were diagnostic imaging (71045).
Where did Dr. John Francis Maesaka go to medical school?
Dr. Maesaka graduated from Indiana University School of Medicine in 1986.
How long has Dr. John Francis Maesaka been practicing?
Dr. Maesaka graduated from medical school in 1986, 40 years ago.
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