Timothy Gilligan, M.D.
NPI 1912998113 · Medical Oncology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Gilligan, M.D. is a Medical Oncology Physician provider in Cleveland, OH (NPI 1912998113).
Provider details
- NPI number
- 1912998113
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.086452 (OH)
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 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
450 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 228 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $84 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 46 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 266 | 66 |
| Abiraterone Acetate | 249 | 40 |
| Relugolixbrand: Orgovyx | 90 | 18 |
| Bicalutamide | 85 | 31 |
| Enzalutamidebrand: Xtandi | 82 | 14 |
| Levothyroxine Sodium | 42 | 11 |
| Apalutamidebrand: Erleada | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-04
- Last updated
- 2011-07-27
Frequently asked questions
- What is Timothy Gilligan's NPI number?
- Timothy Gilligan's National Provider Identifier (NPI) is 1912998113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Gilligan's specialty?
- Timothy Gilligan is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Gilligan located?
- Timothy Gilligan's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Timothy Gilligan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Gilligan is (216) 444-0391.
- Does Timothy Gilligan accept Medicare?
- Timothy Gilligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Gilligan's NPI active?
- Yes — Timothy Gilligan's NPI (1912998113) is active in the NPPES registry as of the last update on 2011-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.