Tiffany Onger, MD
NPI 1316333511 · Medical Oncology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Onger, MD is a Medical Oncology Physician provider in Cleveland, OH (NPI 1316333511).
Provider details
- NPI number
- 1316333511
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35.133553 (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 tenure25% of score
11 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
382 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 68 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $109 |
| 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 | 52 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $91 |
| 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 | 47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 131 | 53 |
| Letrozole | 36 | 13 |
| Palbociclibbrand: Ibrance | 25 | — |
| Prochlorperazine Maleate | 23 | 13 |
| Ondansetron Hcl | 22 | 13 |
| Exemestane | 21 | — |
| Capivasertibbrand: Truqap | 14 | — |
| Olanzapine | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$817 across 10 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
- 2015-04-14
- Last updated
- 2022-12-21
- Certified
- 2022-12-21
Frequently asked questions
- What is Tiffany Onger's NPI number?
- Tiffany Onger's National Provider Identifier (NPI) is 1316333511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Onger's specialty?
- Tiffany Onger is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Onger located?
- Tiffany Onger's practice location on file with NPPES is 11100 Euclid Ave, Cleveland, OH 44106.
- What is Tiffany Onger's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Onger is (216) 844-3833.
- Does Tiffany Onger accept Medicare?
- Tiffany Onger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Onger's NPI active?
- Yes — Tiffany Onger's NPI (1316333511) is active in the NPPES registry as of the last update on 2022-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.