Siu Hang Ngan, D.D.S., M.D.
Oral & Maxillofacial Surgery (D.M.D.) · Flushing, NY
Siu Hang Ngan, D.D.S., M.D. is an oral & maxillofacial surgery (d.m.d.) with a practice address in Flushing, New York, and NPI 1821385006, issued on Jul 7, 2011. Check the license (New York 056311, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siu Hang Ngan
- Credential
- D.D.S., M.D.
- Primary taxonomy
- Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
- License number
- 056311 NY
Self-reported in NPPES; status is on the state search - Practice location
- Flushing Oral & Maxillofacial Surgery, Flushing, NY 11354
- Phone
- (718) 888-9866
- Enumerated
- Jul 7, 2011
- Record last updated
- Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest oral & maxillofacial surgery (d.m.d.) records → All 92 in New York → Look up another NPI →
Verify Siu Hang Ngan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 056311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024
48 Medicare Part D claims for 29 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $75.00
1 payment: education; the largest payer was Zimvie Inc. The 800 providers of this specialty with any payment received $1,463.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Siu Hang Ngan among 92 oral & maxillofacial surgery (d.m.d.) records in New York
Siu Hang Ngan, D.D.S., M.D. is one of 92 oral & maxillofacial surgery (d.m.d.) records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2018 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204E00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral & Maxillofacial Surgery (D.M.D.) providers in New York
There are 92 oral & maxillofacial surgery (d.m.d.) records in New York.
All 92 in New York → Every provider in Flushing → Oral & Maxillofacial Surgery (D.M.D.) nationwide →
The 8 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes
- Linda Huang, MDFlushing, NY 113541962423517
- Feliciano Espaillat, DDSCorona, NY 113681659547701
- Stephen Gelfman, D.D.S, MDElmhurst, NY 113731760590467
- William Kopp, D.D.S.Elmhurst, NY 113731518994268
- Arman Yazdan, DDSJamaica, NY 114321225413867
- Rudiney Jeferson Daruge, MDBrooklyn, NY 112261982416848
- Joshua Segal, DDS, MDBrooklyn, NY 112121154595734
- Eric Silver, DMD, MDBrooklyn, NY 112031134587934
Common questions
What is Siu Hang Ngan, D.D.S., M.D.'s NPI number?
Siu Hang Ngan, D.D.S., M.D.'s National Provider Identifier (NPI) is 1821385006, issued on Jul 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Siu Hang Ngan, D.D.S., M.D. located?
The NPPES record lists a practice address at Flushing Oral & Maxillofacial Surgery, Flushing, NY, 11354. Phone: (718) 888-9866. Providers update this record themselves, so call before visiting.
How can I verify Siu Hang Ngan, D.D.S., M.D.'s license?
NPPES lists New York license number 056311, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Siu Hang Ngan, D.D.S., M.D. prescribe under Medicare Part D?
In 2024, Siu Hang Ngan, D.D.S., M.D. had 48 Medicare Part D claims for 29 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.