Active NPI 1295106540 Individual Practitioner Male Practitioner

Trenton L Baker , PA-C

Physician Assistant • Everett, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Trenton Baker, PA-C is a certified Physician Assistant practicing in Everett, WA. With approximately 11 years of clinical experience since completing medical education in 2015, Trenton Baker delivers high-quality medical care to the local community at 4225 HOYT AVE STE A.

Trenton Baker is affiliated with Western Washington Medical Group Inc Ps and accepts Medicare assignment.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4225 Hoyt Ave Ste A

Everett, WA 982032351

Telephone 4252593122

Fax 4252529860

Associated Practice Facility / Clinic

🏢 Western Washington Medical Group, Inc Ps Facility NPI 1831238443

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Everett, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs -2.2 yrs vs City Avg

City Avg: 13.2 Yrs

State Avg: 12.1 Yrs

Regional Practice Density

145 Specialists

Practicing in Everett, WA (3774 Statewide)

Telehealth Adoption Rate

15.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Baker (11 Years) 11 Yrs

Everett Specialty Average (13.2 Years) 13.2 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
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	181	161	$25.00	$13.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	141	141	$533.00	$136.52
99213 Established patient office or other outpatient visit, typically 15 minutes	82	72	$252.00	$75.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	35	$357.00	$98.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$517.86	$137.01
99213 Established patient office or other outpatient visit, typically 15 minutes	58	52	$248.90	$72.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	46	$343.73	$101.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$351.92	$94.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	61	56	$375.00	$111.36
81002 Urinalysis, manual test	53	52	$7.00	$3.44
80047 Blood test, basic group of blood chemicals (calcium, ionized)	48	44	$27.00	$13.57
99343 New patient home visit, typically 45 minutes	48	48	$375.00	$107.58
85014 Red blood cell concentration measurement	48	44	$6.00	$2.34
36415 Insertion of needle into vein for collection of blood sample	42	39	$6.00	$2.96
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	20	20	$375.00	$70.70
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	19	19	$82.76	$40.90
99326 New patient assisted living visit, typically 45 minutes	18	18	$375.00	$114.54
99344 New patient home visit, typically 1 hour	15	15	$375.00	$158.13
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	14	14	$42.00	$12.75
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes	13	12	$375.00	$48.35
P9612 Catheterization for collection of specimen, single patient, all places of service	13	13	$6.00	$2.97
99342 Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes	11	11	$375.00	$66.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	43	39	$375.00	$113.15
81002 Urinalysis, manual test	30	27	$7.00	$3.48
99343 New patient home visit, typically 45 minutes	30	30	$375.00	$111.14
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	22	22	$375.00	$72.12
80047 Blood test, basic group of blood chemicals (calcium, ionized)	21	20	$27.00	$13.73
85014 Red blood cell concentration measurement	21	20	$6.00	$2.37
36415 Insertion of needle into vein for collection of blood sample	19	18	$6.00	$3.00
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	11	11	$82.76	$41.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	195	26	$219.27	$58.69
20553 Injection of trigger points, 3 or more muscles	128	15	$208.44	$51.42
20551 Injection into tendon at attachment to bone or muscle	124	15	$184.23	$24.57
J1885 Injection, ketorolac tromethamine, per 15 mg	113	13	$9.54	$0.56
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	47	14	$516.77	$48.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$497.28	$132.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	167	29	$219.27	$59.92
J2001 Injection, lidocaine hcl for intravenous infusion, 10 mg	112	16	$8.53	$0.02
20553 Injection of trigger points, 3 or more muscles	83	12	$208.44	$52.50
20551 Injection into tendon at attachment to bone or muscle	78	11	$184.23	$25.91
J1885 Injection, ketorolac tromethamine, per 15 mg	72	14	$9.45	$0.62
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	42	15	$516.77	$49.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	12	$132.06	$35.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$497.28	$134.70

Medical Specialties & State Licenses

CMS Verified: 2026-01-27

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WA PA61120227

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Western Washington Medical Group Inc Ps

4225 Hoyt Ave, Everett, WA 982032351

Practice Associates & Co-Workers

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

12 Associated Practitioners

Dr. Sujoy Ghorai , MD

Internal Medicine - Gastroenterology

NPI 1386680445

Doctor of Medicine (M.D.)

Dr. Ignatius Marsidi , MD

Internal Medicine - Gastroenterology

NPI 1396792149

Doctor of Medicine (M.D.)

Sarah Gattis , ARNP

Nurse Practitioner - Family

NPI 1497472815

Advanced Registered Nurse Practitioner

Kristian Dela Cruz

Nurse Practitioner

NPI 1629885801

Dr. Jerome Waldbaum , MD

Internal Medicine - Gastroenterology

NPI 1689610602

Doctor of Medicine (M.D.)

Dr. Elizabeth Lantry , DNP

Nurse Practitioner

NPI 1710591763

Doctor of Nursing Practice

Career & Practice History Timeline

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

14 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 27, 2026

Physician Assistant (License #PA61120227 in WA)

📍

Updated Practice Location April 10, 2024

Registered at 4225 HOYT AVE STE A, EVERETT, WA 982032351 (Tel: 4252593122)

📍

Updated Business Mailing Address April 10, 2024

Registered at 4225 HOYT AVE STE A, EVERETT, WA 982032351 (Tel: 4252593122)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2024

Physician Assistant (License #6242 in AZ)

📍

Updated Practice Location June 30, 2021

Registered at 6912 220TH ST SW STE 113, MOUNTLAKE TERRACE, WA 980432174 (Tel: 4255530937)

📍

Updated Business Mailing Address June 30, 2021

Registered at 2415 103RD DR SE, LAKE STEVENS, WA 982585190 (Tel: 9282761499)

👤

Provider Name / Credentials Updated June 30, 2021

Recorded as TRENTON BAKER, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2021

Physician Assistant (License #PA61120227 in WA)

✅

NPI Profile Active October 13, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location October 13, 2015

Registered at 20325 N 51ST AVE BLDG 8, SUITE 160, GLENDALE, AZ 853085674 (Tel: 6234666350)

📍

Updated Business Mailing Address October 13, 2015

Registered at 8115 N 18TH ST APT 243, PHOENIX, AZ 850206901 (Tel: 5204403057)

👤

Provider Name / Credentials Updated October 13, 2015

Recorded as TRENTON BAKER, MPAS

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 13, 2015

Physician Assistant (License #6242 in AZ)

🟢

Initial NPI Registration & Enumeration October 13, 2015

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: 1295106540

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 13, 2015

Last Update: January 27, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4225 Hoyt Ave Ste A

Everett, WA 982032351

Phone: 4252593122

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.