Zachary Oaks, MD
NPI 1457841157 · Radiation Oncology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Oaks, MD is a Radiation Oncology Physician provider in Indianapolis, IN (NPI 1457841157).
Provider details
- NPI number
- 1457841157
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,414 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 585 | $42 |
| Calculation of Radiation Therapy Dose77300 | 363 | $30 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 242 | $176 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 218 | $61 |
| Design and Construction of Complex Radiation Treatment Device77334 | 198 | $56 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 37 | 22 |
| Mupirocin | 23 | 22 |
| Levothyroxine Sodium | 20 | — |
| Lorazepam | 20 | 16 |
| Dexamethasone | 15 | 12 |
| Oxycodone Hcl | 15 | 11 |
| Ondansetronbrand: Ondansetron Odt | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$456 across 9 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
Additional practice locations (2)
- 101 Manning Drive Department of Radiation OncologyChapel Hill, NC 27599-1807Phone: (984) 974-8418
- 301 Prospect AveSyracuse, NY 13203-1807Phone: (315) 448-5536
Registry dates
- Enumerated
- 2018-05-17
- Last updated
- 2023-11-29
- Certified
- 2023-11-29
Frequently asked questions
- What is Zachary Oaks's NPI number?
- Zachary Oaks's National Provider Identifier (NPI) is 1457841157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Oaks's specialty?
- Zachary Oaks is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Oaks located?
- Zachary Oaks's practice location on file with NPPES is 6100 W 96th St Ste 125, Indianapolis, IN 46278-6006.
- What is Zachary Oaks's phone number?
- The practice phone number listed in the NPPES registry for Zachary Oaks is (317) 715-1800.
- Does Zachary Oaks accept Medicare?
- Zachary Oaks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Oaks's NPI active?
- Yes — Zachary Oaks's NPI (1457841157) is active in the NPPES registry as of the last update on 2023-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.