Doctor profile · Federal record

Dr. Nikolaus Matsler, M.D.

Medical Toxicology (Emergency Medicine) Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Portland, OR

  • NPI 1902338932
  • Accepts Medicare
  • MIPS 86.1 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-7551

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
August 15, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207PT0002X — NUCC code
State licenses (3)
Oregon #MD215512 · Colorado #DR.0066132 · Puerto Rico #MD215512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902338932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
4
Medicare allowed
$10,055
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 34 33 $168
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 28 25 $8
99284 Emergency department visit with moderate level of medical decision making 17 17 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $166

In context: peer comparison

Among 2 peers in this city , average services per provider: 26. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nikolaus Matsler's medical specialty?
Dr. Nikolaus Matsler practices Medical Toxicology (Emergency Medicine) Physician in Portland, OR.
Where does Dr. Nikolaus Matsler practice?
Dr. Nikolaus Matsler practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034947551.
What is Dr. Nikolaus Matsler's NPI?
Dr. Nikolaus Matsler's National Provider Identifier (NPI) is 1902338932, issued by NPPES.
Does Dr. Nikolaus Matsler accept Medicare assignment?
Yes. Dr. Nikolaus Matsler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikolaus Matsler commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.