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Active NPI 1023169604 Individual Practitioner Male Practitioner

Dr. Joseph Primo Mazzoncini , MD

Emergency Medicine • Everett, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Joseph Mazzoncini, MD is a certified Emergency Medicine practicing in Everett, WA. With approximately 21 years of clinical experience since graduating from University Of Washington School Of Medicine in 2005, Dr. Mazzoncini delivers high-quality medical care to the local community at 1700 13TH ST.

Dr. Mazzoncini is affiliated with Evergreen Emergency Services Ps 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, emergency department visit with moderate level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1700 13th St

Everett, WA 982011689

Telephone 4252612000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Everett, WA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs +0.9 yrs vs City Avg
City Avg: 20.1 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
50 Specialists

Practicing in Everett, WA (1495 Statewide)

Telehealth Adoption Rate
2.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
83.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mazzoncini (21 Years) 21 Yrs
Everett Specialty Average (20.1 Years) 20.1 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
178 173 $1065.00 $179.15
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
116 105 $69.00 $8.46
99284 Emergency department visit with moderate level of medical decision making
40 39 $734.00 $121.98
99291 Critical care, first 30-74 minutes
26 25 $1381.00 $220.69

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License WA MD60248557

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

Evergreen Emergency Services Ps

12040 Ne 128th St, Kirkland, WA 980343013

Phone: 4258991000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Samuel Guyer , MD

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NPI 1003312992

Doctor of Medicine (M.D.)

NPI 1003513946
Dr. Lindsy Alanis , MD

Internal Medicine

NPI 1003826603

Doctor of Medicine (M.D.)

NPI 1003911744

Doctor of Medicine (M.D.)

NPI 1013943752

Doctor of Medicine (M.D.)

Dr. Daniel Zak , MD

Emergency Medicine

NPI 1013965490

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active May 09, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location May 09, 2014

Registered at 1700 13TH ST, EVERETT, WA 982011689 (Tel: 4252612000)

📍
Updated Business Mailing Address May 09, 2014

Registered at 1716 W MARINE VIEW DR STE C, EVERETT, WA 982012098

👤
Provider Name / Credentials Updated May 09, 2014

Recorded as JOSEPH MAZZONCINI, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2014

Emergency Medicine (License #MD60248557 in WA)

🟢
Initial NPI Registration & Enumeration January 12, 2007

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: 1023169604
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 12, 2007
Last Update: May 09, 2014
Sole Proprietor: No

Mailing Address

1716 W Marine View Dr Ste C

Everett, WA 982012098

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.