Active NPI 1396087227 Individual Practitioner Male Practitioner

Dr. James Byron Darnton , MD

Internal Medicine • Seattle, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. James Darnton, MD is a certified Internal Medicine practicing in Seattle, WA. With approximately 13 years of clinical experience since graduating from Perelman School Of Med At The University Of Pennsylvania in 2013, Dr. Darnton delivers high-quality medical care to the local community at 325 9TH AVE.

Dr. Darnton is affiliated with The Association Of University Physicians and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

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, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

325 9th Ave
Box 359892

Seattle, WA 981042420

Telephone 2067449700

Fax 2067448516

Associated Practice Facility / Clinic

🏢 Harborview Medical Center Facility NPI 1053359729

Medicare Profile & Education

Medical School

Perelman School Of Med At The University Of Pennsylvania

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Seattle, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

13 Yrs -7.3 yrs vs City Avg

City Avg: 20.3 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

839 Specialists

Practicing in Seattle, WA (3169 Statewide)

Telehealth Adoption Rate

26.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

64.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Darnton (13 Years) 13 Yrs

Seattle Specialty Average (20.3 Years) 20.3 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	42	29	$51.11	$18.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	24	$300.94	$104.85
99213 Established patient office or other outpatient visit, typically 15 minutes	26	25	$203.35	$72.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	45	$247.41	$104.73
99213 Established patient office or other outpatient visit, typically 15 minutes	29	27	$174.74	$70.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	50	$219.28	$104.57
99213 Established patient office or other outpatient visit, typically 15 minutes	36	32	$141.62	$71.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	104	68	$214.10	$107.13
99213 Established patient office or other outpatient visit, typically 15 minutes	36	32	$139.20	$72.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	41	$188.73	$85.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	49	12	$179.56	$78.63
99213 Established patient office or other outpatient visit, typically 15 minutes	43	40	$124.06	$55.86
99443 Telephone medical discussion with physician, 21-30 minutes	23	22	$161.23	$85.45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	11	$242.25	$112.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	111	67	$170.90	$84.39
99213 Established patient office or other outpatient visit, typically 15 minutes	97	85	$111.44	$54.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	142	114	$111.13	$53.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	44	$170.90	$83.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	100	83	$110.90	$53.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	41	$170.54	$82.21

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA ML 60358691

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

The Association Of University Physicians

325 9th Ave, Seattle, WA 981042420

Phone: 2067313000

The Association Of University Physicians

1701 Columbia Rd, Seattle, WA 981950001

Phone: 2065983100

The Association Of University Physicians

1959 Ne Pacific St, Seattle, WA 981950001

Phone: 2065984333

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Lauren Lin , MD

Hospitalist

NPI 1336881853

Doctor of Medicine (M.D.)

Dr. Jared Klein , MD

Internal Medicine

NPI 1457589012

Doctor of Medicine (M.D.)

Dr. Mengru Wang , MD

Internal Medicine - Geriatric Medicine

NPI 1629486089

Doctor of Medicine (M.D.)

Dr. Michelle Sabo , MD, PhD

Internal Medicine - Infectious Disease

NPI 1669714614

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 19, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 19, 2013

Registered at 325 9TH AVE, BOX 359892, SEATTLE, WA 981042420 (Tel: 2067449700)

📍

Updated Business Mailing Address July 19, 2013

Registered at 325 9TH AVE, BOX 359892, SEATTLE, WA 981042420 (Tel: 2067449700)

👤

Provider Name / Credentials Updated July 19, 2013

Recorded as JAMES DARNTON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 19, 2013

Internal Medicine (License #ML 60358691 in WA)

🟢

Initial NPI Registration & Enumeration March 18, 2013

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: 1396087227

Entity Type:

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

Enumeration Date: March 18, 2013

Last Update: July 19, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

325 9th Ave, Box 359892

Seattle, WA 981042420

Phone: 2067449700

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.