Doctor profile · Federal record

Dr. Long Nguyen, M.D.

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Flushing, NY

  • NPI 1851558779
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5645 Main St
Flushing, NY 113555045
(917) 303-3725
fax (718) 661-8777
Mailing address
11205 Queens Blvd
Forest Hills, NY 113758311

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
March 27, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
New York #264684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851558779. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
3
Medicare allowed
$16,060
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 65 45 $210
36415 Insertion of needle into vein for collection of blood sample 19 17 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $150

In context: peer comparison

Among 1 peers in Flushing Gynecologic Oncology Physician, average services per provider: 33. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$206
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $61.19
Applied Medical Resources Corporation 1 $45.08
Genmab U.S., INC. 1 $31.94
AstraZeneca Pharmaceuticals Lp 1 $25.44
GlaxoSmithKline, LLC. 1 $24.55
Organon LLC 2 $18.12

By nature of payment

Food and Beverage
$206

Frequently asked questions

Auto-generated from federal data
What is Dr. Long Nguyen's medical specialty?
Dr. Long Nguyen practices Gynecologic Oncology Physician in Flushing, NY.
Where does Dr. Long Nguyen practice?
Dr. Long Nguyen practices at 5645 Main St, Flushing, NY 113555045. Office phone: 9173033725.
What is Dr. Long Nguyen's NPI?
Dr. Long Nguyen's National Provider Identifier (NPI) is 1851558779, issued by NPPES.
Does Dr. Long Nguyen accept Medicare assignment?
Yes. Dr. Long Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Long Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.