YVONNE M TSAI, MD PLLC
NPI 1750423448
Ophthalmology in Hampstead, NH
About Yvonne M Tsai, Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YVONNE M TSAI, MD PLLC (NPI 1750423448) is a healthcare organization registered as an ophthalmology in Hampstead, New Hampshire and active in the NPI registry since February 2007. The organization maintains a secondary practice location in Derry and lists Yvonne M Tsai, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Yvonne M Tsai, Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Yvonne M Tsai, MD PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Yvonne M Tsai, MD PLLC's NPI number?
The NPI number for Yvonne M Tsai, MD PLLC is 1750423448. It was assigned to this organization in the NPPES registry on February 12, 2007.
Where is Yvonne M Tsai, MD PLLC located?
Yvonne M Tsai, MD PLLC is located at 472 State Route 111, Hampstead, NH 03841. The listed phone number is (603) 893-2508.
What is Yvonne M Tsai, MD PLLC's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Yvonne M Tsai, MD PLLC enrolled in Medicare?
Yes. Yvonne M Tsai, MD PLLC is registered in the Medicare PECOS enrollment system.
When is Yvonne M Tsai, MD PLLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Hampshire, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Yvonne M Tsai, MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Yvonne M Tsai, MD PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Yvonne M Tsai, MD PLLC accept?
Health plans from Ambetter from NH Healthy Families list Yvonne M Tsai, MD PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Yvonne M Tsai, MD PLLC was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Yvonne M Tsai, Md Pllc · NPI 1750423448
Ophthalmology organization in Hampstead, New Hampshire. Organization record, active in the CMS NPPES registry since February 12, 2007.
## Identity
- **NPI:** 1750423448 (Entity type: Organization)
- **Enumerated:** February 12, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Yvonne Tsai, OWNER
## Practice location
- **Address:** 472 STATE ROUTE 111, Hampstead, NH 03841-2371
- **Phone:** (603) 893-2508 · **Fax:** (603) 893-9508
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, New Hampshire, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Ophthalmology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2018
- **Other identifiers:** Medicaid 3076394 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1750423448) · Data from the CMS NPPES public registry.