Doctor profile · Federal record

Dr. Troy Markus, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Mount Vernon, WA

  • NPI 1588862007
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1415 E. Kincaid Street
Mount Vernon, WA 982744126
(360) 424-4111

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #OP60067007

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588862007. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
692
Distinct HCPCS
5
Medicare allowed
$83,058
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 279 274 $172
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 189 177 $8
99284 Emergency department visit with moderate level of medical decision making 121 121 $118
99291 Critical care, first 30-74 minutes 88 85 $209
99283 Emergency department visit with low level of medical decision making 15 15 $70

In context: peer comparison

Among 7 peers in Mount Vernon Emergency Medicine Physician, average services per provider: 87. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
174
Patients
170
Total drug cost
$1,068
Drug Type Claims Patients Total cost
Azithromycin Generic 29 29 $155
Cephalexin Generic 29 28 $218
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 27 $107
Ondansetron Odt (Ondansetron) Brand 28 28 $276
Prednisone Generic 23 22 $48
Oxycodone Hcl Generic 14 14 $43
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 11 $112
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 11 11 $108

Frequently asked questions

Auto-generated from federal data
What is Dr. Troy Markus's medical specialty?
Dr. Troy Markus practices Emergency Medicine Physician in Mount Vernon, WA.
Where does Dr. Troy Markus practice?
Dr. Troy Markus practices at 1415 E. Kincaid Street, Mount Vernon, WA 982744126. Office phone: 3604244111.
What is Dr. Troy Markus's NPI?
Dr. Troy Markus's National Provider Identifier (NPI) is 1588862007, issued by NPPES.
Does Dr. Troy Markus accept Medicare assignment?
Yes. Dr. Troy Markus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Troy Markus 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.