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

Zachary S Fuller, DO

Individual provider Internal Medicine Physician · NPI 1770272031

Zachary S Fuller, DO is an Internal Medicine in Mason City, Iowa. Qualified in 2023, 3 years ago. Practices with Cogent Healthcare of Iowa PC, a 59-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
3
Licensed in
IA
In the registry since
2023
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 50401-2856
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-06810 (IA)

Record details

NPI number1770272031
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 3, 2023
Last updated in NPPESOctober 31, 2025
Certification dateOctober 31, 2025
Mailing address600 1st St Nw Ste 101, Mason City, IA 50401-2932

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Cogent Healthcare Of Iowa Pc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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