DR. THOI HIEU NGO MD
NPI 1194139923
Surgery in Valhalla, NY
About Dr. Thoi Hieu Ngo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOI HIEU NGO MD (NPI 1194139923) is an individual surgery provider in Valhalla, New York, licensed in New York (341330) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of New York Medical College (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Thoi Hieu Ngo 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOChristian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOWestchester Medical Center
Acute Care Hospitals · Valhalla, NYHudson Valley Hospital Center
Acute Care Hospitals · Cortlandt Manor, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10595 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Thoi Ngo's NPI number?
The NPI number for Thoi Ngo is 1194139923. It was assigned to this individual provider in the NPPES registry on June 19, 2014.
Where is Thoi Ngo located?
Thoi Ngo practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 909-6416.
What is Thoi Ngo's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Thoi Ngo enrolled in Medicare?
Yes. Thoi Ngo 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.
What insurance does Thoi Ngo accept?
Health plans from Cox HealthPlans list Thoi Ngo 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.
Is Thoi Ngo affiliated with any hospitals?
According to CMS data, Thoi Ngo is affiliated with Barnes Jewish Hospital, Christian Hospital Northeast, Westchester Medical Center and Hudson Valley Hospital Center.
When was this NPI record last updated?
The NPPES record for Thoi Ngo was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Dr. Thoi Hieu Ngo, MD · NPI 1194139923
Surgery physician in Valhalla, New York. Individual provider, active in the CMS NPPES registry since June 19, 2014.
## Identity
- **NPI:** 1194139923 (Entity type: Individual)
- **Enumerated:** June 19, 2014
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 341330 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 WOODS RD, Valhalla, NY 10595-1530
- **Phone:** (914) 909-6416 · **Fax:** (914) 909-6417
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** New York Medical College, class of 2014
## Record status
- **NPPES last updated:** February 18, 2026
- **Other identifiers:** Medicaid 200075875 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1194139923) · Data from the CMS NPPES public registry.