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

Dr. Grant Landon, DO

Individual provider Family Medicine Physician · NPI 1255956975

Dr. Grant Landon, DO is a Family Practice in Mason City, Iowa. Qualified in 2020, 6 years ago. Practices with Jefferson County Hospital, a 47-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
6
Licensed in
IA
In the registry since
2020
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 340
Mason City, IA 50401-2856
Phone: (641) 428-7766
Fax: (641) 428-7788
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence R-11944 (IA)

Record details

NPI number1255956975
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 9, 2020
Last updated in NPPESJune 30, 2023
Certification dateJune 30, 2023
Mailing address1000 4th St Sw, Mason City, IA 50401-2800

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Jefferson County Hospital — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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