Roya Zarraby, M.D.
NPI 1689660698 · Internal Medicine Physician · Westerville, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1689660698
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 35-07-1175 (OH)
Specialties & taxonomies
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
4,689 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 409 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 369 | $8 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 369 | $8 |
| Liver Function Blood Test Panel80076 | 362 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 315 | $16 |
| Hemoglobin A1c Level83036 | 299 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 529 | 154 |
| Levothyroxine Sodium | 398 | 109 |
| Omeprazole | 277 | 85 |
| Amlodipine Besylate | 260 | 73 |
| Lisinopril | 246 | 70 |
| Losartan Potassium | 245 | 68 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2018-10-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.