Roy Daniel Ayalon, M.D.
NPI 1154599546ActiveIndividual· Obstetrics & Gynecology, Gynecology· Tarzana, CA
Obstetrics & Gynecology, Gynecology (M.D.) in Tarzana, California, trained at Icahn School of Medicine at Mount Sinai (class of 2004). 48 Medicare patients in 2024, $11,084 paid; nearly all of their 89 Part D prescriptions were generic (90%). Mimedx Group, Inc. was the largest of 2 companies reporting payments in 2025, $6,193 in all, mostly consulting fees.
Overview
| NPI | 1154599546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 19, 2008 |
| Last updated in NPPES | Mar 14, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecology Primary | 207VG0400X | A102319 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 142 across 13 procedure codes |
| Paid by Medicare | $11,084 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 135 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $3,179 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$6,193 · 16 payments from 2 companies
- 2024$3,338 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mimedx Group, Inc. | $6,000 | 12 |
| Hologic Sales and Service, LLC | $192.89 | 4 |
What the 2025 payments were for
- Consulting Fee$6,000 · 12 payments
- Food and Beverage$192.89 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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