Timothy Lonesky, D.O.
NPI 1447478029 · Rheumatology Physician · Somerset, KY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Lonesky, D.O. is a Rheumatology Physician provider in Somerset, KY (NPI 1447478029).
Provider details
- NPI number
- 1447478029
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 03160 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,267 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Measurement of Antibody for Assessment of Autoimmune Disorder, Any Method86235 | 1,485 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 528 | $120 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 368 | $13 |
| Analysis of Substance Using Immunoassay Technique, Multiple Step Method83516 | 295 | $11 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 274 | $56 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 234 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 323 | 163 |
| Methotrexate Sodiumbrand: Methotrexate | 299 | 133 |
| Prednisone | 289 | 159 |
| Abataceptbrand: Orencia Clickject | 178 | 33 |
| Upadacitinibbrand: Rinvoq | 175 | 29 |
| Etanerceptbrand: Enbrel Sureclick | 136 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,893 across 190 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-21
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is Timothy Lonesky's NPI number?
- Timothy Lonesky's National Provider Identifier (NPI) is 1447478029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Lonesky's specialty?
- Timothy Lonesky is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Lonesky located?
- Timothy Lonesky's practice location on file with NPPES is 26 Oxford Way, Somerset, KY 42503-2813.
- What is Timothy Lonesky's phone number?
- The practice phone number listed in the NPPES registry for Timothy Lonesky is (606) 802-2300.
- Does Timothy Lonesky accept Medicare?
- Timothy Lonesky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Lonesky's NPI active?
- Yes — Timothy Lonesky's NPI (1447478029) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.