Krystal Tan Vanichsarn, O.D.
NPI 1962886283ActiveIndividual· Optometrist· Escondido, CA
Optometrist (O.D.) with Sharp Rees-Stealy Medical Group Inc, practicing in Escondido, California. Their prescriptions cost Medicare Part D more than their services did: $25,185 for 89 claims, against $11,248 paid for services in 2024. Johnson & Johnson Vision Care, Inc. was the largest of 5 companies reporting payments in 2025, $735.25 in all, mostly food and beverage.
Overview
| NPI | 1962886283 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 16, 2015 |
| Last updated in NPPES | Jun 9, 2022 |
| Certified by provider | Jun 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 15449 | CA |
| Optometrist | 152W00000X | OEG003091 | PA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 175 across 15 procedure codes |
| Paid by Medicare | $11,248 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 147 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $25,185 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
Industry payments (Open Payments)
- 2025$735.25 · 7 payments from 5 companies
- 2024$402.12 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $397.31 | 3 |
| Bausch & Lomb Americas Inc. | $115.56 | 1 |
| Optos, Inc. | $100.00 | 1 |
| Mallinckrodt Hospital Products Inc. | $91.62 | 1 |
| Abbvie Inc. | $30.76 | 1 |
What the 2025 payments were for
- Food and Beverage$635.25 · 6 payments
- Entertainment$100.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 optometrists in Escondido · All optometrists in California