Yvonne M Tsai, MD PLLC
NPI 1750423448 · Ophthalmology Physician · Hampstead, NH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne M Tsai, MD PLLC is a Ophthalmology Physician organization in Hampstead, NH (NPI 1750423448).
Provider details
- NPI number
- 1750423448
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yvonne Tsai, Owner(603) 893-2508
- 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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 methodology.
Practice location
Mailing address
Additional practice locations (1)
- 16 Route 111Derry, NH 03038-4142Phone: (603) 893-2508Fax: (603) 893-9508
Registry dates
- Enumerated
- 2007-02-12
- Last updated
- 2018-03-17
Frequently asked questions
- What is Yvonne M Tsai, MD PLLC's NPI number?
- Yvonne M Tsai, MD PLLC's National Provider Identifier (NPI) is 1750423448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Yvonne M Tsai, MD PLLC?
- Yvonne M Tsai, MD PLLC is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Yvonne M Tsai, MD PLLC located?
- Yvonne M Tsai, MD PLLC's practice location on file with NPPES is 472 State Route 111, Hampstead, NH 03841-2371.
- What is Yvonne M Tsai, MD PLLC's phone number?
- The practice phone number listed in the NPPES registry for Yvonne M Tsai, MD PLLC is (603) 893-2508.
- Does Yvonne M Tsai, MD PLLC accept Medicare?
- Yvonne M Tsai, MD PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Yvonne M Tsai, MD PLLC?
- The authorized official listed on Yvonne M Tsai, MD PLLC's NPPES record is Yvonne Tsai, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Yvonne M Tsai, MD PLLC's NPI active?
- Yes — Yvonne M Tsai, MD PLLC's NPI (1750423448) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.