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

Dr. Matthew Robert Hardee, DO

Individual provider Internal Medicine Physician · NPI 1548408867

Dr. Matthew Robert Hardee, DO is an Internal Medicine in Mason City, Iowa. Qualified in 2007, 19 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group and accepts Medicare assignment. Licensed in Iowa and Missouri.

Years since qualifying
19
Licensed in
IA, MO
In the registry since
2009
Specialties on file
2
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.

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Practice location Address checks out

1010 4th St SW Ste 305
Mason City, IA 50401-2801
Phone: (641) 428-5700
Fax: (641) 428-2515
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO-05360 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2007018754 (MO)

Record details

NPI number1548408867
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 23, 2009
Last updated in NPPESJuly 8, 2025
Certification dateJuly 8, 2025
Mailing address621 S Illinois Ave, Suite 103, Mason City, IA 50401-5489

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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