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DR. NICHOLAS CHRISTOPHER MARKADAKIS MD
NPI 1639673544
Emergency Medicine in Auburn, WA

Active since March 23, 2018PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
202 N DIVISION ST, AUBURN, WA 98001(253) 833-7711 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 26, 2026, Dec 3, 2024, Aug 8, 2023 and 2 more (5 updates tracked since 2018).

About Dr. Nicholas Christopher Markadakis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NICHOLAS CHRISTOPHER MARKADAKIS MD (NPI 1639673544) is an individual emergency medicine provider in Auburn, Washington, licensed in Washington (MD61224889) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Multicare Auburn Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639673544
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NICHOLAS CHRISTOPHER MARKADAKISCredential: MD
Location Address202 N DIVISION STAuburn, WA 98001-4939
Mailing Address300 Lenora StSeattle, WA 98121-2411
Phone(253) 833-7711
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2018
Enumeration DateMarch 23, 2018
Last NPPES UpdateMay 26, 20265 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1639673544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in WA · MD61224889✔ Licensed in MD · D92039✔ Licensed in NV · 29558
Definition
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.
202 N DIVISION ST, Auburn, WA 98001
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11800 W Charleston BlvdLas Vegas, NV 89102-2386 · Phone (702) 383-2000
Location 2939 Caroline StPort Angeles, WA 98362-3997 · Phone (360) 417-7000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicholas Christopher Markadakis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274881255
PECOS Enrollment IDI20220816001535
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
150 services136 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
129 services127 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
76 services72 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
54 services54 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
27 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services20 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Multicare Auburn Medical Center

Acute Care Hospitals · Auburn, WA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500015
Location202 North Division Street Plaza OneAuburn, WA 98001 · King County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality99.77
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PROVASCULAR DIAGNOSTIC AND IMAGING PLLC
Radiology (Vascular & Interventional Radiology)
202 N DIVISION ST, SUITE 200
AUBURN, WA 98001
King County (253) 735-4341
EDUARDO GIL DE RUBIO MD
Internal Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711
MR. THOMAS BEGLEY RN
Registered Nurse (Psychiatric/Mental Health)
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 545-2050
DR. ROBERT TODD MIDDLETON M.D.
Internal Medicine (Cardiovascular Disease)
202 N DIVISION ST, STE 201
AUBURN, WA 98001
King County (253) 939-1230
JUNKO YASUDA-FREE D.O.
Psychiatry & Neurology (Psychiatry)
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 697-8400
SIDNEY BEERS MD
Emergency Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711
WASHINGTON NUCLEAR MEDICINE LLC
Nuclear Medicine (Nuclear Imaging & Therapy)
202 N DIVISION ST, PLAZA ONE
AUBURN, WA 98001
King County (253) 333-2574
RICHARD MCMONIGAL MD
Emergency Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Markadakis's NPI number?

The NPI number for Nicholas Markadakis is 1639673544. It was assigned to this individual provider in the NPPES registry on March 23, 2018.

Where is Nicholas Markadakis located?

Nicholas Markadakis practices at 202 N Division St, Auburn, WA 98001. The listed phone number is (253) 833-7711.

What is Nicholas Markadakis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nicholas Markadakis enrolled in Medicare?

Yes. Nicholas Markadakis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Nicholas Markadakis affiliated with any hospitals?

According to CMS data, Nicholas Markadakis is affiliated with Multicare Auburn Medical Center and Olympic Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Markadakis was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.