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

Grant Dennis Doolittle, DO

Individual provider Internal Medicine Physician · NPI 1457464836

Grant Dennis Doolittle, DO is an Internal Medicine in Ames, Iowa. Qualified in 1999, 27 years ago. Practices with McFarland Clinic PC, a 353-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
27
Licensed in
IA
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1215 Duff Ave McFarland Clinic Pc
Ames, IA 50010-3014
Phone: (515) 239-4431
Fax: (515) 239-4742
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 3721 (IA)

Record details

NPI number1457464836
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESNovember 11, 2020
Certification dateNovember 11, 2020
Mailing addressPo Box 3014, 1215 Duff Ave McFarland Clinic Pc, Ames, IA 50010-3014

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice McFarland Clinic Pc — 353 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Other providers in Ames