Timothy Piearson, D.O.
NPI 1740233659 · Family Medicine Physician · Greenfield, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Piearson, D.O. is a Family Medicine Physician provider in Greenfield, IA (NPI 1740233659).
Provider details
- NPI number
- 1740233659
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3543 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 144 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 521 | 114 |
| Levothyroxine Sodium | 477 | 90 |
| Lisinopril | 417 | 88 |
| Omeprazole | 355 | 77 |
| Metformin Hcl | 338 | 67 |
| Losartan Potassium | 335 | 83 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2022-11-17
- Certified
- 2022-11-17
Frequently asked questions
- What is Timothy Piearson's NPI number?
- Timothy Piearson's National Provider Identifier (NPI) is 1740233659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Piearson's specialty?
- Timothy Piearson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Piearson located?
- Timothy Piearson's practice location on file with NPPES is 609 Se Kent St, Greenfield, IA 50849-9454.
- What is Timothy Piearson's phone number?
- The practice phone number listed in the NPPES registry for Timothy Piearson is (641) 743-6189.
- Does Timothy Piearson accept Medicare?
- Timothy Piearson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Piearson's NPI active?
- Yes — Timothy Piearson's NPI (1740233659) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.