Michelle Crosby, M.D., PH.D.
NPI 1558549303ActiveIndividual· Ophthalmology· Encinitas, CA
Ophthalmology (M.D., PH.D.) in Encinitas, California, trained at Medical University of South Carolina College of Medicine (class of 2005). In 2024 Medicare paid $298,560 for 1,028 patients, and Part D covered 919 of their prescriptions, 61% of them generic. Sight Sciences, Inc. was the largest of 8 companies reporting payments in 2025, $658.45 in all, mostly food and beverage.
Overview
| NPI | 1558549303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Feb 4, 2008 |
| Last updated in NPPES | Jul 28, 2021 |
| Certified by provider | Jul 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A108687 | CA |
| Ophthalmology | 207W00000X | 058458 | GA |
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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,028 |
|---|---|
| Services billed | 4,199 across 36 procedure codes |
| Paid by Medicare | $298,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 919 · 1,313 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $126,913 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Ophthalmology |
Medical group
- Grossmont Dermatology Medical ClinicLa Mesa, CA · 10 clinicians
Industry payments (Open Payments)
- 2025$658.45 · 12 payments from 8 companies
- 2024$800.73 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sight Sciences, Inc. | $267.80 | 3 |
| Glaukos Corporation | $200.42 | 1 |
| Tarsus Pharmaceuticals, Inc. | $57.42 | 2 |
| Ocular Therapeutix, Inc. | $38.88 | 2 |
| Harrow Eye, LLC | $31.52 | 1 |
What the 2025 payments were for
- Food and Beverage$658.45 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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