Timothy Donelan, MD
NPI 1730189325 · Family Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Donelan, MD is a Family Medicine Physician provider in Sioux Falls, SD (NPI 1730189325).
Provider details
- NPI number
- 1730189325
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3836 (SD)
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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 26 |
| Levothyroxine Sodium | 24 |
| Bupropion Hclbrand: Bupropion Xl | 16 |
| Fenofibrate | 13 |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 12 |
| Hydroxychloroquine Sulfate | 12 |
| Losartan Potassium | 12 |
| Memantine Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-26
- Last updated
- 2022-03-25
- Certified
- 2022-03-25
Frequently asked questions
- What is Timothy Donelan's NPI number?
- Timothy Donelan's National Provider Identifier (NPI) is 1730189325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Donelan's specialty?
- Timothy Donelan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Donelan located?
- Timothy Donelan's practice location on file with NPPES is 6110 S Minnesota Ave, Sioux Falls, SD 57108-2549.
- What is Timothy Donelan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Donelan is (605) 332-2883.
- Does Timothy Donelan accept Medicare?
- Timothy Donelan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Donelan's NPI active?
- Yes — Timothy Donelan's NPI (1730189325) is active in the NPPES registry as of the last update on 2022-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.