Healthcare professionals in Mason City, IA
- Healthcare professionals
- 867
- Physicians (MD, DO)
- 259
- Nurses and NPs
- 134
- Physician assistants
- 40
- Behavioral health clinicians
- 176
There are 259 physicians among 867 healthcare professionals in Mason City. MercyOne North Iowa Medical Center has the most affiliated doctors, 336, and family medicine is the most common physician specialty.
Find work emails and mobile numbers for 867 Mason City HCPs
Validated work emails and mobile numbers for Mason City physicians, nurses and every other HCP type, found through healthcare waterfall enrichment, with a free Dmand AI account.
There are 259 physicians (MD and DO) among 867 healthcare professionals in Mason City, IA
Counting every HCP with an active NPI and a Mason City practice address. Physicians (MD, DO) are the largest group, with 259, and behavioral health clinicians second, with 176.
Mason City HCPs by type
- Physicians (MD, DO)259
- Behavioral health clinicians176
- Nurses and nurse practitioners134
- Pharmacists64
- Non-clinical and support staff42
- Physician assistants40
- Dentists and dental staff38
- Therapists (PT and OT)26
- Speech therapists and audiologists23
- Chiropractors19
- Other HCPs46
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Family medicine is the most common physician specialty in Mason City, with 60 physicians
Internal medicine is second, with 28, and emergency medicine third, with 13. Each physician is counted once, under the primary specialty on their NPI record.
- Family medicine60
- Internal medicine28
- Emergency medicine13
- Orthopaedic surgery13
- Cardiovascular disease12
- Diagnostic radiology12
- Pediatrics10
- Anesthesiology8
- Psychiatry7
- Anatomic pathology and clinical pathology6
- Hospitalist6
- Ophthalmology6
- Pulmonary disease6
- Hematology and oncology5
- Surgery5
- Obstetrics and gynecology4
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
MercyOne North Iowa Medical Center has the most affiliated doctors in Mason City, with 336
Physicians are counted at each hospital where they have a current affiliation, wherever they live.
| # | Hospital | Health system | Physicians | HCPs |
|---|---|---|---|---|
| 1 | MercyOne North Iowa Medical CenterMason City | Trinity Health | 336 | 612 |
Source: Dmand AI Affiliation Data
MercyOne North Iowa Anesthesia Professional Services has the most doctors of any Mason City medical group, with 205
Mason City Clinic is second with 42 physicians, and MercyOne New Hampton Emergency Care third with 14. Counts are physicians and HCPs with an Iowa address.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
For health IT teams
Dmand AI has the EHR for 400 of 867 Mason City HCPs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
332 Mason City healthcare professionals practice at a hospital, the most common site of care
Hospices are second, with 282. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.
Mason City HCPs by site of care
- Hospitals332
- Hospices282
- Group practices and clinics240
- Physician offices25
- Home health agencies24
- Skilled nursing facilities19
- Ambulatory surgery centers7
- Dialysis centers4
- Rural health clinics4
- FQHCs3
See every site where Mason City HCPs practice
Each public profile names one place an HCP practices. A free account shows every current hospital, clinic and medical group, the employer and validated contacts for all 867.
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
37% of Mason City physicians finished medical school 30 or more years ago
64 of the 171 Mason City physicians with a graduation year on file. 30 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago30
- 10 to 19 years ago35
- 20 to 29 years ago42
- 30 to 39 years ago29
- 40 or more years ago35
Source: Dmand AI Professional Profile Data
Every Mason City HCP profile shows where they practice now, their Medicare activity and their NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Mason City HCP directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory counts HCPs with an active individual NPI, a name and a Mason City practice address.
FAQ
Frequently asked questions about doctors and healthcare professionals in Mason City
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many doctors are in Mason City?
259 physicians (MDs and DOs) have an active NPI and a Mason City practice address, among 867 Mason City healthcare professionals.
What are the most common physician specialties in Mason City?
By primary specialty: family medicine (60), internal medicine (28), emergency medicine (13), orthopaedic surgery (13), cardiovascular disease (12).
Which medical groups have the most Mason City doctors?
MercyOne North Iowa Anesthesia Professional Services (205 physicians), Mason City Clinic (42 physicians) and MercyOne New Hampton Emergency Care (14 physicians). Counts are physicians with an Iowa address.
How many Mason City physicians finished medical school 30 or more years ago?
64 of the 171 with a graduation year on file, or 37%. 30 graduated in the last 10 years.
How can I contact healthcare professionals in Mason City?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Mason City through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
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Find the right contacts among Mason City healthcare professionals
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