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Active NPI 1639673544 Individual Practitioner Male Practitioner

Dr. Nicholas Christopher Markadakis , MD

Emergency Medicine • Auburn, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nicholas Markadakis, MD is a certified Emergency Medicine practicing in Auburn, WA. With approximately 8 years of clinical experience since graduating from University Of Washington School Of Medicine in 2018, Dr. Markadakis delivers high-quality medical care to the local community at 202 N DIVISION ST.

Dr. Markadakis is affiliated with Cascade Emergency Physicians Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, emergency department visit for life threatening or functioning severity, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

202 N Division St

Auburn, WA 980014939

Telephone 2538337711
Associated Practice Facility / Clinic
🏢 Multicare Health System Facility NPI 1255327201

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

2018

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Auburn, WA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
8 Yrs -4.0 yrs vs City Avg
City Avg: 12.0 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
18 Specialists

Practicing in Auburn, WA (1495 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
90.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Markadakis (8 Years) 8 Yrs
Auburn Specialty Average (12.0 Years) 12.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
150 136 $106.71 $8.23
99285 Emergency department visit for life threatening or functioning severity
129 127 $2342.68 $174.03
99291 Critical care, first 30-74 minutes
76 72 $2656.54 $216.26
93042 Interpretation and report of electrical activity of heart using 1-3 leads
54 54 $59.00 $6.90
99284 Emergency department visit with moderate level of medical decision making
27 27 $1456.78 $121.26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
20 20 $1358.00 $181.14
99238 Hospital discharge day management, 30 minutes or less
14 14 $606.00 $86.09

Medical Specialties & State Licenses

CMS Verified: 2026-05-26
Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License WA MD61224889

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License MD D92039

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License NV 29558

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Hospital & Practice Group Affiliations

Cascade Emergency Physicians Inc

202 N Division St, Auburn, WA 980014939

Phone: 2538337711

Secondary Practice Locations

1800 W Charleston Blvd

Las Vegas, NV 891022386

Phone: 7023832000

939 Caroline St

Port Angeles, WA 983623997

Phone: 3604177000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1023183522

Doctor of Medicine (M.D.)

Dr. Sidney Beers , MD

Emergency Medicine

NPI 1043277783

Doctor of Medicine (M.D.)

Dr. Richard Mcmonigal , MD

Emergency Medicine

NPI 1053378158

Doctor of Medicine (M.D.)

Dr. Marcellis Dodson , DNP, ARNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1053925834

Doctor of Nursing Practice, Advanced Registered Nurse Practitioner

Wilma Slone , RN

Registered Nurse - Psychiatric/Mental Health

NPI 1093588287

Registered Nurse

Ellen Ursino , PA-C

Physician Assistant - Medical

NPI 1104884634

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

16 Historical Events
📍
Updated Business Mailing Address May 26, 2026

Registered at 300 LENORA ST, SEATTLE, WA 981212411

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 26, 2026

Emergency Medicine (License #MD61224889 in WA)

📍
Updated Practice Location December 03, 2024

Registered at 202 N DIVISION ST, AUBURN, WA 980014939 (Tel: 2538337711)

📍
Updated Business Mailing Address December 03, 2024

Registered at 300 LENORA STREET PMB 6394, SEATTLE, WA 981212411

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 03, 2024

Emergency Medicine (License #D92039 in MD)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 08, 2023

Emergency Medicine (License #MD61224889 in WA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 02, 2022

Emergency Medicine (License #D92039 in MD)

📍
Updated Practice Location July 04, 2018

Registered at 1830 E MONUMENT ST STE 6-100, BALTIMORE, MD 21287 (Tel: 4109553380)

👤
Provider Name / Credentials Updated July 04, 2018

Recorded as NICHOLAS MARKADAKIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 04, 2018

Student in an Organized Health Care Education/Training Program

NPI Profile Active March 23, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location March 23, 2018

Registered at 1830 E MONUMENT ST STE 6-100, BALTIMORE, MD 212870020 (Tel: 4109553380)

📍
Updated Business Mailing Address March 23, 2018

Registered at 1830 E MONUMENT ST STE 6-100, BALTIMORE, MD 212870020 (Tel: 4109553380)

👤
Provider Name / Credentials Updated March 23, 2018

Recorded as NICHOLAS MARKADAKIS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2018

Emergency Medicine (License #390200000X in MD)

🟢
Initial NPI Registration & Enumeration March 23, 2018

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1639673544
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 23, 2018
Last Update: May 26, 2026
Sole Proprietor: No

Mailing Address

300 Lenora St

Seattle, WA 981212411

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.