Active NPI 1811914484 Individual Practitioner Female Practitioner

Dr. Sun J Park , MD

Internal Medicine • Clackamas, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sun Park, MD is a certified Internal Medicine practicing in Clackamas, OR. With approximately 31 years of clinical experience since graduating from Rush Medical College Of Rush University in 1995, Dr. Park delivers high-quality medical care to the local community at 10180 SE SUNNYSIDE RD.

Dr. Park maintains professional affiliations with Kaiser Foundation Health Plan Of The Northwest, Legacy Clinics Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service);, 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

10180 Se Sunnyside Rd

Clackamas, OR 970158970

Telephone 8008132000

Associated Practice Facility / Clinic

🏢 Kaiser Foundation Health Plan Northwest Facility NPI 1528002474

Medicare Profile & Education

Medical School

Rush Medical College Of Rush University

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Clackamas, OR

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +10.8 yrs vs City Avg

City Avg: 20.2 Yrs

State Avg: 24.1 Yrs

Regional Practice Density

102 Specialists

Practicing in Clackamas, OR (2185 Statewide)

Telehealth Adoption Rate

9.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Park (31 Years) 31 Yrs

Clackamas Specialty Average (20.2 Years) 20.2 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	66	66	$471.65	$170.32
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th	60	25	$85.00	$30.31
99291 Critical care, first 30-74 minutes	16	15	$738.31	$209.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	72	71	$570.01	$176.28
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th	46	18	$85.00	$31.12
99291 Critical care, first 30-74 minutes	15	15	$721.73	$215.39
99497 Advance care planning, first 30 minutes	12	12	$219.33	$77.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	79	77	$756.17	$197.99
99220 Hospital observation care, typically 70 minutes	37	36	$660.46	$180.09
99497 Advance care planning, first 30 minutes	19	19	$303.58	$78.64
99291 Critical care, first 30-74 minutes	16	16	$859.50	$218.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	107	64	$325.06	$104.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	61	61	$873.20	$201.91
99239 Hospital discharge day management, more than 30 minutes	54	53	$337.93	$107.11
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	47	27	$221.36	$70.27
99220 Hospital observation care, typically 70 minutes	26	26	$761.28	$183.77
99217 Hospital observation care on day of discharge	15	14	$249.77	$71.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	144	71	$332.00	$108.52
99239 Hospital discharge day management, more than 30 minutes	63	63	$341.00	$111.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	21	$231.00	$75.21
99217 Hospital observation care on day of discharge	29	29	$232.00	$74.11
99220 Hospital observation care, typically 70 minutes	28	28	$590.00	$192.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	24	$645.00	$209.64
99226 Subsequent observation care, typically 35 minutes per day	18	16	$333.00	$109.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	120	71	$331.00	$106.63
99239 Hospital discharge day management, more than 30 minutes	73	70	$341.00	$110.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	45	$644.00	$205.55
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	32	21	$232.00	$74.59
99220 Hospital observation care, typically 70 minutes	25	25	$591.00	$190.34
99217 Hospital observation care on day of discharge	25	25	$233.00	$75.24
99226 Subsequent observation care, typically 35 minutes per day	18	15	$333.00	$107.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	123	70	$333.00	$105.20
99239 Hospital discharge day management, more than 30 minutes	76	72	$345.00	$108.96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	57	36	$233.00	$73.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	44	$649.00	$205.51
99217 Hospital observation care on day of discharge	34	33	$234.00	$74.43
99220 Hospital observation care, typically 70 minutes	21	21	$596.00	$188.81
99226 Subsequent observation care, typically 35 minutes per day	13	13	$336.00	$106.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	82	56	$333.00	$104.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	54	54	$647.00	$198.62
99239 Hospital discharge day management, more than 30 minutes	42	40	$344.00	$107.20
99220 Hospital observation care, typically 70 minutes	25	25	$593.00	$186.66
99217 Hospital observation care on day of discharge	23	22	$233.00	$73.59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	17	$231.00	$72.66

Medical Specialties & State Licenses

CMS Verified: 2025-09-12

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License OR MD24792

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.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License OR MD24792

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Rr Medicare

P00234134 (OR)

Hospital & Practice Group Affiliations

Legacy Clinics Llc

19300 Sw 65th Ave, Portland, OR 970627706

Phone: 5036921212

Kaiser Foundation Health Plan Of The Northwest

10180 Se Sunnyside Rd, Clackamas, OR 970158970

Phone: 8008132000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Nancy Waltz , MS CCC-SLP

Speech-Language Pathologist

NPI 1003054149

MSCCCSLP

Melissa Hill

Counselor - Addiction (Substance Use Disorder)

NPI 1003206236

Dr. Jarrod Larson , MD

Anesthesiology

NPI 1003251133

Doctor of Medicine (M.D.)

Rachael Scoones

Nurse Anesthetist, Certified Registered

NPI 1003524109

Danaya Hall , SWHNP

Nurse Practitioner

NPI 1003573825

Megan Martin , MA

Counselor - Addiction (Substance Use Disorder)

NPI 1003579194

Master of Arts

Career & Practice History Timeline

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

14 Historical Events

📍

Updated Practice Location September 12, 2025

Registered at 10180 SE SUNNYSIDE RD, CLACKAMAS, OR 970158970 (Tel: 8008132000)

📍

Updated Business Mailing Address September 12, 2025

Registered at 500 NE MULTNOMAH ST STE 100, PORTLAND, OR 972322031 (Tel: 8008132000)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 12, 2025

Hospitalist (License #MD24792 in OR)

✅

NPI Profile Active May 10, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location May 10, 2017

Registered at 1500 DIVISION ST, OREGON CITY, OR 970451527 (Tel: 5036506270)

📍

Updated Business Mailing Address May 10, 2017

Registered at PO BOX 3158, PORTLAND, OR 972083158

👤

Provider Name / Credentials Updated May 10, 2017

Recorded as SUN PARK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 10, 2017

Internal Medicine (License #MD24792 in OR)

✅

NPI Profile Active August 18, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 18, 2014

Registered at 1500 DIVISION ST, OREGON CITY, OR 970451527 (Tel: 5036506270)

📍

Updated Business Mailing Address August 18, 2014

Registered at PO BOX 3158, PORTLAND, OR 972083158

👤

Provider Name / Credentials Updated August 18, 2014

Recorded as SUNNY PARK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2014

Internal Medicine (License #MD24792 in OR)

🟢

Initial NPI Registration & Enumeration July 17, 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: 1811914484

Entity Type:

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

Enumeration Date: July 17, 2006

Last Update: September 12, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

500 Ne Multnomah St Ste 100

Portland, OR 972322031

Phone: 8008132000

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.