Doctor profile · Federal record

Dr. Michael Charles Tan, MD

Clinical Cardiac Electrophysiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Portland, OR

  • NPI 1265895940
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4400 Ne Halsey St Ste 102
Portland, OR 972131545
(503) 962-1000
Additional location
9427 Sw Barnes RD Ste 495
Portland, OR 972256612
(503) 216-0770
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
October 1, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State licenses (2)
Oregon #MD218431 · Texas #S1931

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265895940. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$9,893
Transactions
56
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 12 $5,566.38
Abbott Laboratories 19 $2,664.62
Medical Device Business Services, INC. 2 $841.38
Impulse Dynamics (USA) INC. 2 $252.74
Biosense Webster, INC. 7 $238.86
Boston Scientific Corporation 4 $108.44
Medtronic, INC. 4 $86.83
Cardiva Medical, INC. 1 $30.79
Novartis Pharmaceuticals Corporation 1 $29.11
Pfizer INC. 1 $20.93
Medline Industries Lp 1 $18.95
Amgen INC. 1 $18.38
Janssen Pharmaceuticals, INC 1 $15.51

By nature of payment

Travel and Lodging
$7,658
Food and Beverage
$2,235

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$104
Drug Type Claims Patients Total cost
Minocycline Hcl Generic 16 16 $104

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Charles Tan's medical specialty?
Dr. Michael Charles Tan practices Clinical Cardiac Electrophysiology Physician in Portland, OR.
Where does Dr. Michael Charles Tan practice?
Dr. Michael Charles Tan practices at 4400 Ne Halsey St Ste 102, Portland, OR 972131545. Office phone: 5039621000.
What is Dr. Michael Charles Tan's NPI?
Dr. Michael Charles Tan's National Provider Identifier (NPI) is 1265895940, issued by NPPES.
Does Dr. Michael Charles Tan accept Medicare assignment?
Yes. Dr. Michael Charles Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.