Doctor profile · Federal record

Dr. Michael Mendelson, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Port Jefferson Station, NY

  • NPI 1043323835
  • Accepts Medicare
  • 61 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5360 Nesconset Hghy, Suite B
Port Jefferson Station, NY 117762018
(631) 331-3200
fax (631) 331-3694

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 24, 2021
Year of graduation
1965 — 61 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #110115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043323835. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,343
Distinct HCPCS
1
Medicare allowed
$12,316
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,343 1,046 $9

In context: peer comparison

Among 8 peers in Port Jefferson Station Internal Medicine Physician, average services per provider: 183. This provider delivers 7.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Mendelson's medical specialty?
Dr. Michael Mendelson practices Internal Medicine Physician in Port Jefferson Station, NY.
Where does Dr. Michael Mendelson practice?
Dr. Michael Mendelson practices at 5360 Nesconset Hghy, Port Jefferson Station, NY 117762018. Office phone: 6313313200.
What is Dr. Michael Mendelson's NPI?
Dr. Michael Mendelson's National Provider Identifier (NPI) is 1043323835, issued by NPPES.
Does Dr. Michael Mendelson accept Medicare assignment?
Yes. Dr. Michael Mendelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Mendelson commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.