Timothy Colby, DO
NPI 1891774550 · Family Medicine Physician · Ankeny, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Colby, DO is a Family Medicine Physician provider in Ankeny, IA (NPI 1891774550).
Provider details
- NPI number
- 1891774550
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO-03638 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
790 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 255 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $119 |
| Automated Urinalysis Test81003 | 66 | $2 |
| X-Ray of Chest, 2 Views71046 | 64 | $31 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 54 | $69 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 52 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 241 | 225 |
| Doxycycline Monohydrate | 109 | 106 |
| Fluconazole | 49 | 42 |
| Cefdinir | 40 | 39 |
| Azithromycin | 35 | 27 |
| Diclofenac Sodium | 35 | 25 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 33 | 32 |
| Amoxicillin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-11
- Last updated
- 2023-12-29
- Certified
- 2023-12-29
Frequently asked questions
- What is Timothy Colby's NPI number?
- Timothy Colby's National Provider Identifier (NPI) is 1891774550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Colby's specialty?
- Timothy Colby is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Colby located?
- Timothy Colby's practice location on file with NPPES is 1410 Sw Tradition Dr Ste 110, Ankeny, IA 50023-9188.
- What is Timothy Colby's phone number?
- The practice phone number listed in the NPPES registry for Timothy Colby is (515) 875-9696.
- Does Timothy Colby accept Medicare?
- Timothy Colby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Colby's NPI active?
- Yes — Timothy Colby's NPI (1891774550) is active in the NPPES registry as of the last update on 2023-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.