Margaret M. Ritterbusch, O.D.
NPI 1215934302ActiveIndividual· Optometrist· Princeton, NJ
Optometrist (O.D.) in Princeton, New Jersey, trained at New England College of Optometry (class of 1985). In 2024 Medicare paid $76,922 for 431 patients, and Part D covered 285 of their prescriptions, 46% of them generic. Sun Pharmaceutical Industries Inc. reported $19.17 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1215934302 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2005 |
| Last updated in NPPES | Sep 6, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 27TO00029000 | NJ |
| Optometrist | 152W00000X | 270A00463000 | NJ |
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 - Optometry (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 431 |
|---|---|
| Services billed | 1,080 across 17 procedure codes |
| Paid by Medicare | $76,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 285 · 463 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $90,661 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | New England College of Optometry |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Optometry |
Medical group
- Associated Retinal Consultants LLCFreehold, NJ · 117 clinicians
Industry payments (Open Payments)
- 2025$19.17 · 1 payment from 1 company
- 2024$160.17 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $19.17 | 1 |
What the 2025 payments were for
- Food and Beverage$19.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 optometrists in Princeton · All optometrists in New Jersey