MS. HAIVY THAI NGUYEN MD
NPI 1700248879
Hospitalist in Glen Cove, NY
About Ms. Haivy Thai Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. HAIVY THAI NGUYEN MD (NPI 1700248879) is an individual hospitalist provider in Glen Cove, New York, licensed in New York (299516) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Haivy Thai Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Haivy Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11542 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLEN COVE, NY 11542
GLEN COVE, NY 11542
GLEN COVE, NY 11542
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 Haivy Nguyen's NPI number?
The NPI number for Haivy Nguyen is 1700248879. It was assigned to this individual provider in the NPPES registry on March 28, 2016.
Where is Haivy Nguyen located?
Haivy Nguyen practices at 101 Saint Andrews Ln, Glen Cove, NY 11542. The listed phone number is (516) 674-7300.
What is Haivy Nguyen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Haivy Nguyen enrolled in Medicare?
Yes. Haivy Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Haivy Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haivy Nguyen reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Healthcare Partners Affiliates Medical Group (Tustin, CA). Each 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 Haivy Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Haivy Nguyen was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ms. Haivy Thai Nguyen, MD · NPI 1700248879
Hospitalist physician in Glen Cove, New York. Individual provider, active in the CMS NPPES registry since March 28, 2016.
## Identity
- **NPI:** 1700248879 (Entity type: Individual)
- **Enumerated:** March 28, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 299516 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 SAINT ANDREWS LN, Glen Cove, NY 11542-2254
- **Phone:** (516) 674-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA); Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1700248879) · Data from the CMS NPPES public registry.