Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Richard R Rattin, DO

Individual provider Internal Medicine Physician · NPI 1316101462

Dr. Richard R Rattin, DO is a Cardiovascular Disease (Cardiology) in Mason City, Iowa. Graduated from Kansas City University of Physicians and Surgeons in 2008, 18 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
18
Trained at
Kansas City University of Physicians and Surgeons
Licensed in
IA
In the registry since
2008
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1446 N Carolina Ave
Mason City, IA 50401-1355
Phone: (707) 890-1273
Fax: (877) 354-7323
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 250 S Crescent Dr, Mason City, IA 50401-2926 — (641) 494-5300

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 4207 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4207 (IA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 4207 (IA)

Record details

NPI number1316101462
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 17, 2008
Last updated in NPPESDecember 17, 2023
Certification dateDecember 17, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolKANSAS CITY UNIVERSITY OF PHYSICIANS AND SURGEONS
Graduated 2008 (18 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Mason City