Yvonne Tsai, M.D.
NPI 1518947969 · Ophthalmology Physician · Hampstead, NH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne Tsai, M.D. is a Ophthalmology Physician provider in Hampstead, NH (NPI 1518947969).
Provider details
- NPI number
- 1518947969
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 7637 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,549 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 587 | $132 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 328 | $59 |
| Imaging of Optic Nerve92133 | 203 | $38 |
| Imaging of Retina92134 | 184 | $42 |
| Exam of Visual Field With Extended Testing92083 | 139 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $131 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 250 | 76 |
| Timolol Maleate | 162 | 50 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 66 | 17 |
| Bimatoprostbrand: Lumigan | 36 | 12 |
| Dorzolamide Hcl | 34 | 11 |
| Cyclosporinebrand: Restasis | 31 | 11 |
| Ketorolac Tromethamine | 22 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-20
- Last updated
- 2018-01-16
Frequently asked questions
- What is Yvonne Tsai's NPI number?
- Yvonne Tsai's National Provider Identifier (NPI) is 1518947969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Tsai's specialty?
- Yvonne Tsai is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Yvonne Tsai located?
- Yvonne Tsai's practice location on file with NPPES is 472 State Route 111, Hampstead, NH 03841-2371.
- What is Yvonne Tsai's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Tsai is (603) 893-2508.
- Does Yvonne Tsai accept Medicare?
- Yvonne Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvonne Tsai's NPI active?
- Yes — Yvonne Tsai's NPI (1518947969) is active in the NPPES registry as of the last update on 2018-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.