Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1841360294 Individual Practitioner Male Practitioner

Dr. Ashley B Johnson , MD

Emergency Medicine • Seattle, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ashley Johnson, MD is a certified Emergency Medicine practicing in Seattle, WA. With approximately 24 years of clinical experience since graduating from New York Medical College in 2002, Dr. Johnson delivers high-quality medical care to the local community at 201 16TH AVE E.

Dr. Johnson is affiliated with Kaiser Foundation Health Plan Of Washington and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, 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

201 16th Ave E

Seattle, WA 981125226

Telephone 2063263000
Fax 8775152975
Associated Practice Facility / Clinic
🏢 Central Hosp Group Hlth Facility NPI 1336251248

Medicare Profile & Education

Medical School

New York Medical College

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Seattle, WA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
24 Yrs +8.5 yrs vs City Avg
City Avg: 15.5 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
310 Specialists

Practicing in Seattle, WA (1495 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
87.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (24 Years) 24 Yrs
Seattle Specialty Average (15.5 Years) 15.5 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
99285 Emergency department visit for life threatening or functioning severity
110 110 $1274.95 $168.07
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
105 104 $52.11 $7.84
99291 Critical care, first 30-74 minutes
19 19 $1620.95 $206.30
99284 Emergency department visit with moderate level of medical decision making
16 16 $887.50 $117.25

Medical Specialties & State Licenses

CMS Verified: 2025-03-19
Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License WA MD60012956

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 NY 232511

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

Kaiser Foundation Health Plan Of Washington

201 16th Ave E, Seattle, WA 981125226

Phone: 2063263000

Secondary Practice Locations

1321 Colby Ave

Everett, WA 982011665

Phone: 4252612000

Nsuh-Dept Of Emergency Medicine, 300 Community Drive

Manhasset, NY 11030

Phone: 5165623090

Practice Associates & Co-Workers

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

40 Associated Practitioners
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Obstetrics & Gynecology - Obstetrics

NPI 1003013426

Doctor of Medicine (M.D.)

Dr. Vivian Yu , MD

Obstetrics & Gynecology

NPI 1003348723

Doctor of Medicine (M.D.)

Dr. Andrew Feld , MD

Internal Medicine - Gastroenterology

NPI 1003818709

Doctor of Medicine (M.D.)

Dr. Michael Nevins , MD

Internal Medicine - Pulmonary Disease

NPI 1003969270

Doctor of Medicine (M.D.)

Carolyn Berg , LW

Social Worker

NPI 1013042076
Dr. Michael Cho , MD

Internal Medicine - Rheumatology

NPI 1013116722

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events
📍
Updated Practice Location March 19, 2025

Registered at 201 16TH AVE E, SEATTLE, WA 981125226 (Tel: 2063263000)

📍
Updated Business Mailing Address March 19, 2025

Registered at 201 16TH AVE E, SEATTLE, WA 981125226 (Tel: 2063263000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 19, 2025

Emergency Medicine (License #MD60012956 in WA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2018

Emergency Medicine (License #232511 in NY)

NPI Profile Active December 19, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location December 19, 2017

Registered at 1321 COLBY AVE, EVERETT, WA 982011665 (Tel: 4252612000)

📍
Updated Business Mailing Address December 19, 2017

Registered at PO BOX 3360, PORTLAND, OR 972083360 (Tel: 8667472455)

👤
Provider Name / Credentials Updated December 19, 2017

Recorded as ASHLEY JOHNSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 19, 2017

Emergency Medicine (License #MD60012956 in WA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at NSUH-DEPT OF EMERGENCY MEDICINE, 300 COMMUNITY DRIVE, MANHASSET, NY 11030 (Tel: 5165623090)

📍
Updated Business Mailing Address July 08, 2007

Registered at NSUH-DEPT OF EMERGENCY MEDICINE, 300 COMMUNITY DRIVE, MANHASSET, NY 11030 (Tel: 5165623090)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as ASHLEY JOHNSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Emergency Medicine (License #232511 in NY)

🟢
Initial NPI Registration & Enumeration November 09, 2006

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: 1841360294
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 09, 2006
Last Update: March 19, 2025
Sole Proprietor: No

Mailing Address

201 16th Ave E

Seattle, WA 981125226

Phone: 2063263000

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.