Melissa Mayberry Crowley, M.D.
NPI 1477572394ActiveIndividual· Ophthalmology· Montebello, CA
Ophthalmology (M.D.) in Montebello, California, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,689,865 for 6,679 claims, against $152,070 paid for services in 2024. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $419.57 in all, mostly food and beverage.
Overview
| NPI | 1477572394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Dec 10, 2025 |
| Certified by provider | Dec 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A71074 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 475 |
|---|---|
| Services billed | 2,589 across 30 procedure codes |
| Paid by Medicare | $152,070 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,679 · 9,228 30-day fills |
|---|---|
| Patients | 1,352 |
| Total drug cost | $1,689,865 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Ophthalmology |
Medical group
- H Shammas MD IncLynwood, CA · 7 clinicians
Industry payments (Open Payments)
- 2025$419.57 · 9 payments from 4 companies
- 2024$455.63 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $222.58 | 5 |
| New World Medical,inc. | $88.79 | 1 |
| Amgen Inc. | $68.29 | 1 |
| Bausch & Lomb Americas Inc. | $39.91 | 2 |
What the 2025 payments were for
- Food and Beverage$419.57 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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