Doctor profile · Federal record

Dr. Mengkao Tseng, M.D.

Specialist (CMS: Gastroenterology) · New York, NY

  • NPI 1912927443
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
345 E 37Th St Rm 310
New York, NY 100163256
(212) 682-3753
fax (212) 687-4934

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 2, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
New York #198024
Medicaid
NY #01659952

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912927443. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
721
Distinct HCPCS
10
Medicare allowed
$83,999
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 199 52 $40
99214 Established patient office or other outpatient visit, 30-39 minutes 145 92 $144
99213 Established patient office or other outpatient visit, 20-29 minutes 121 83 $88
88313 Special stained specimen slides to examine tissue including interpretation and report 106 21 $13
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $190
45380 Biopsy of large bowel using a flexible endoscope 31 31 $330
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 23 23 $444
36415 Insertion of needle into vein for collection of blood sample 20 16 $8
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 16 16 $531
45378 Diagnostic exam of large bowel using a flexible endoscope 13 13 $399

In context: peer comparison

Among 124 peers in New York Specialist, average services per provider: 223. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,167
Transactions
53
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 35 $517.97
Gilead Sciences, INC. 7 $205.27
Madrigal Pharmaceuticals 2 $170.55
Phathom Pharmaceuticals, INC. 1 $125.42
Abbvie INC. 5 $77.78
Ironwood Pharmaceuticals, INC 2 $45.50
Regeneron Healthcare Solutions, INC. 1 $24.06

By nature of payment

Food and Beverage
$1,167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
374
Patients
100
Total drug cost
$184,031
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 79 26 $734
Famotidine Generic 50 22 $763
Omeprazole Generic 49 21 $680
Vemlidy (Tenofovir Alafenamide) Brand 40 0 $69,414
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 32 31 $2,436
Creon (Lipase/Protease/Amylase) Brand 26 0 $76,789
Entecavir Generic 26 0 $13,283
Ursodiol Generic 18 0 $2,841
Linzess (Linaclotide) Brand 17 0 $11,529
Esomeprazole Magnesium Generic 14 0 $522

Frequently asked questions

Auto-generated from federal data
What is Dr. Mengkao Tseng's medical specialty?
Dr. Mengkao Tseng practices Specialist in New York, NY.
Where does Dr. Mengkao Tseng practice?
Dr. Mengkao Tseng practices at 345 E 37Th St Rm 310, New York, NY 100163256. Office phone: 2126823753.
What is Dr. Mengkao Tseng's NPI?
Dr. Mengkao Tseng's National Provider Identifier (NPI) is 1912927443, issued by NPPES.
Does Dr. Mengkao Tseng accept Medicare assignment?
Yes. Dr. Mengkao Tseng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mengkao Tseng commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.