Grant Dennis Doolittle, DO
NPI 1457464836ActiveIndividual· Internal Medicine· Ames, IA
Internal Medicine (DO) with McFarland Clinic PC, practicing in Ames, Iowa. Their prescriptions cost Medicare Part D more than their services did: $880,159 for 13,207 claims, against $380,877 paid for services in 2024. Itamar Medical Inc reported $23.07 in payments in 2025, mostly food and beverage. Lists Boone County Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1457464836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 17, 2006 |
| Last updated in NPPES | Nov 11, 2020 |
| Certified by provider | Nov 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 3721 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 728 |
|---|---|
| Services billed | 12,901 across 107 procedure codes |
| Paid by Medicare | $380,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,207 · 30,431 30-day fills |
|---|---|
| Patients | 886 |
| Total drug cost | $880,159 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- McFarland Clinic PCAmes, IA · 363 clinicians
Hospital affiliations
- Boone County HospitalBoone, IA
- Mary Greeley Medical CenterAmes, IA
- Story County HospitalNevada, IA
- Van Diest Medical CenterWebster City, IA
Other facilities
- Centerwell Home HealthHome health agency · Urbandale, IA
- Mary Greeley Home Health ServicesHome health agency · Ames, IA
- Suncrest Home HealthHome health agency · West Des Moines, IA
- Suncrest Hospice, LLCHospice · West Des Moines, IA
- Bethany LifeNursing home · Story City, IA
- Eastern Star Masonic HomeNursing home · Boone, IA
- Green Hills Health Care CenterNursing home · Ames, IA
- Northridge VillageNursing home · Ames, IA
Industry payments (Open Payments)
- 2025$23.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Itamar Medical Inc | $23.07 | 1 |
What the 2025 payments were for
- Food and Beverage$23.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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