Doctor profile · Federal record

Dr. Kathy Tan, M.D.

Internal Medicine Physician · Brooklyn, NY

  • NPI 1477521409
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5324 7Th Ave
Brooklyn, NY 112203121
(718) 686-6888
fax (718) 686-6887

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #233820
Medicaid
NY #02590807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477521409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
216
Distinct HCPCS
4
Medicare allowed
$21,123
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 159 51 $105
99214 Established patient office or other outpatient visit, 30-39 minutes 21 18 $149
G0008 Administration of influenza virus vaccine 21 20 $36
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 15 15 $33

In context: peer comparison

Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,075
Transactions
134
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 27 $1,862.41
Boehringer Ingelheim Pharmaceuticals, INC. 17 $1,285.21
AstraZeneca Pharmaceuticals Lp 23 $861.81
Gilead Sciences, INC. 9 $617.14
Amgen INC. 10 $511.14
Abbvie INC. 11 $504.34
Phathom Pharmaceuticals, INC. 3 $273.85
Bayer Healthcare Pharmaceuticals INC. 8 $208.14
Novo Nordisk INC 7 $204.82
AngioDynamics, INC. 1 $125.00
Astellas Pharma US INC 1 $122.44
Ardelyx, INC. 5 $121.40
Merck Sharp & Dohme LLC 6 $108.24
Lilly USA, LLC 3 $77.22
Pfizer INC. 3 $66.19

By nature of payment

Food and Beverage
$7,075

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,558
Patients
1,843
Total drug cost
$755,417
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 778 202 $13,164
Losartan Potassium Generic 694 184 $14,708
Amlodipine Besylate Generic 542 135 $6,119
Metoprolol Succinate Generic 521 138 $13,554
Meloxicam Generic 334 150 $2,162
Fluticasone Propionate Generic 319 88 $4,988
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 296 296 $86,103
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 280 70 $9,123
Omeprazole Generic 280 122 $4,011
Vascepa (Icosapent Ethyl) Brand 275 39 $136,583

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathy Tan's medical specialty?
Dr. Kathy Tan practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Kathy Tan practice?
Dr. Kathy Tan practices at 5324 7Th Ave, Brooklyn, NY 112203121. Office phone: 7186866888.
What is Dr. Kathy Tan's NPI?
Dr. Kathy Tan's National Provider Identifier (NPI) is 1477521409, issued by NPPES.
What procedures does Dr. Kathy Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.