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Dr. Thoi Hieu Ngo, MD
NPI1194139923PAC ID9830515311
- Medicare services, 2024
- 136
- Medicare patients, 2024
- 125
- Publications
- 2
- MIPS score, 2024
- 84
- Hospital affiliations
- 5
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ngo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thoi Hieu Ngo is a general surgeon in Valhalla, New York
Dr. Ngo practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Ngo's NPI, 1194139923, was assigned on June 19, 2014. Dr. Ngo graduated from New York Medical College in 2014. Dr. Ngo holds Missouri license 2019034037.
NPI and contact details
- NPI
- 1194139923NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830515311
- NPI enumeration date
- June 19, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thoi Hieu Ngo practices at Westchester Medical Center in Valhalla, New York
Dr. Ngo's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Thoi Hieu Ngo is affiliated with 5 sites of care and 2 medical groups
Dr. Ngo's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dr. Ngo is also affiliated with Barnes-Jewish Hospital. The medical group on file is Westchester Medical Center Advanced Physician Services. Dmand AI also links Dr. Ngo to 3 more hospitals and 1 medical group, each named with a free account.
Barnes-Jewish HospitalWestchester Medical Center Advanced Physician Services3 hospitalsNames with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. NgoSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thoi Hieu Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngo practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Thoi Hieu Ngo is one of 1,604 general surgeons in New York
Surgery is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ngo is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Ngo
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,604general surgeons in New York20general surgeons in Valhalla15general surgeons at Westchester Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thoi Hieu Ngo billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. Ngo across 3 procedure codes in 2024, for 125 Medicare patients. Medicare paid $19,328 for them.
Medicare services, 2024136
Medicare patients125
Paid by Medicare$19,328
Procedure codes3
Dr. Ngo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1782024: 13624%
Where Dr. Ngo's Medicare services took place, 2024
- In an office5238%
- In a facility8462%
Dr. Ngo compared with the New York median for general surgeons, 2024
- Dr. Ngo
- New York median
- Medicare services
- 136vs 15412% below
- Medicare patients
- 125vs 10915% above
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Ngo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ngo and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thoi Hieu Ngo treated 125 Medicare patients in 2024, average age 71
CMS counts 125 Medicare patients who saw Dr. Ngo in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 3.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 63, with 47% women.
Medicare patients, 2024125
Average age71
Average risk score3.00
Also on Medicaid35%
Dr. Ngo's Medicare patients by age, 2024
Dr. Ngo's Medicare patients by sex, 2024
- Women5544%
- Men7056%
Chronic conditions among Dr. Ngo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes58%
- Heart failure58%
- Chronic kidney disease52%
- Ischemic heart disease50%
- Anxiety46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thoi Hieu Ngo scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Ngo for performance year 2024, reported as part of a group. Dr. Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ngo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ngo's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thoi Hieu Ngo has 2 publications on record
Dmand AI links 2 papers to Dr. Ngo, published from 2012 to 2024. Dr. Ngo's most frequent co-authors are John Patrick Kirby, MD and Lindsay Morgan Kranker, MD.
Papers2
Years published2012 to 2024
Dr. Ngo's most frequent co-authors
Recent publications by Dr. Ngo
See who Dr. Ngo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ngo works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thoi Hieu Ngo received $649 in industry payments from 2017 to 2024
CMS Open Payments shows 11 general payments to Dr. Ngo from 9 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Hydrofera LLC paid the most, $150.
General payments to Dr. Ngo by program year, 2017 to 2024
Companies that paid Dr. Ngo the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thoi Hieu Ngo graduated from New York Medical College
Dr. Ngo graduated from New York Medical College in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thoi Hieu Ngo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thoi Hieu Ngo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thoi Hieu Ngo's NPI number?
Dr. Thoi Hieu Ngo's NPI number is 1194139923. It was assigned on June 19, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Thoi Hieu Ngo?
Dr. Thoi Hieu Ngo is a general surgeon in Valhalla, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thoi Hieu Ngo practice?
Dr. Ngo practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Ngo's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Ngo to 3 hospitals and 1 medical group.
What is Dr. Thoi Hieu Ngo's office phone number?
The practice phone on file for Dr. Ngo is (914) 493-7000.
What is Dr. Thoi Hieu Ngo's medical license number?
Dr. Ngo holds Missouri license 2019034037.
Which hospitals is Dr. Thoi Hieu Ngo affiliated with?
Dr. Ngo practices at Westchester Medical Center in Valhalla, New York. Dr. Ngo is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Ngo to 3 more hospitals.
What medical group is Dr. Thoi Hieu Ngo part of?
Dr. Ngo is linked to Westchester Medical Center Advanced Physician Services. Dmand AI links Dr. Ngo to 1 more medical group.
Does Dr. Thoi Hieu Ngo accept Medicare?
Yes. CMS data shows Dr. Ngo billed Medicare for 136 services in 2024, and Dr. Ngo accepts Medicare assignment.
Does Dr. Thoi Hieu Ngo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ngo as offering telehealth services.
What is Dr. Thoi Hieu Ngo's MIPS score?
Dr. Ngo's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Thoi Hieu Ngo see?
CMS counts 125 Medicare patients who saw Dr. Ngo in 2024, with an average age of 71.
What services does Dr. Thoi Hieu Ngo bill to Medicare?
In 2024, Dr. Ngo's most billed Medicare services were critical care (99291), hospital inpatient care (99231) and hospital inpatient care (99222).
Where did Dr. Thoi Hieu Ngo go to medical school?
Dr. Ngo graduated from New York Medical College in 2014.
Has Dr. Thoi Hieu Ngo received payments from drug or device companies?
CMS Open Payments shows $649 in general payments to Dr. Ngo from 9 companies from 2017 to 2024. The largest total came from Hydrofera LLC.
How long has Dr. Thoi Hieu Ngo been practicing?
Dr. Ngo graduated from medical school in 2014, 12 years ago.
Does Dr. Thoi Hieu Ngo do research?
Dmand AI links 2 publications to Dr. Ngo, published from 2012 to 2024.
Who does Dr. Thoi Hieu Ngo publish with?
Dr. Ngo's most frequent co-authors are John Patrick Kirby, MD (1 shared paper) and Lindsay Morgan Kranker, MD (1 shared paper).
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