Active NPI 1912967274 Individual Practitioner Female Practitioner

Dr. Lily C Chang , MD

Surgery • Seattle, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Lily Chang, MD is a certified Surgery practicing in Seattle, WA. With approximately 30 years of clinical experience since graduating from Tufts University School Of Medicine in 1996, Dr. Chang delivers high-quality medical care to the local community at 1959 NE PACIFIC ST.

Dr. Chang is affiliated with The Association Of University Physicians and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, established patient outpatient office visit, new 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

1959 Ne Pacific St

Seattle, WA 981950001

Telephone 2065205000

Associated Practice Facility / Clinic

🏢 University Of Washington Facility NPI 1326002049

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Seattle, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +9.4 yrs vs City Avg

City Avg: 20.6 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

222 Specialists

Practicing in Seattle, WA (818 Statewide)

Telehealth Adoption Rate

18.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (30 Years) 30 Yrs

Seattle Specialty Average (20.6 Years) 20.6 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
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$363.00	$137.05
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$96.87	$69.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$194.00	$62.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$141.00	$86.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$182.00	$102.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$280.00	$139.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$87.00	$71.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$280.00	$143.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$182.00	$105.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	35	28	$86.26	$64.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	31	26	$74.03	$63.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$309.33	$142.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$148.00	$90.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	29	27	$68.83	$55.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$311.67	$126.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$157.77	$82.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	67	56	$65.00	$54.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$302.89	$138.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$355.00	$146.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$149.00	$84.37
36415 Insertion of needle into vein for collection of blood sample	13	11	$16.00	$2.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	87	67	$64.00	$54.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$271.51	$133.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	24	$126.00	$83.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$364.00	$144.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$127.00	$80.96
36415 Insertion of needle into vein for collection of blood sample	14	11	$16.00	$2.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	77	56	$85.00	$53.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$284.00	$135.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$157.70	$78.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$198.00	$82.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	11	$391.00	$135.35

Medical Specialties & State Licenses

CMS Verified: 2025-08-11

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WA MD00036409

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

The Association Of University Physicians

1959 Ne Pacific St, Seattle, WA 981950001

Phone: 2065984333

Secondary Practice Locations

1550 N 115th St

Seattle, WA 981338401

Phone: 2065205000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Sandhya Panch , MD

Internal Medicine - Hematology

NPI 1003043415

Doctor of Medicine (M.D.)

Hilary King , MA, RC

Counselor - Mental Health

NPI 1003068735

Master of Arts, RC

Dr. Afshin Shameli , MD, PhD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003104357

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

Dr. Timothy Menza , MD, PhD

Internal Medicine - Infectious Disease

NPI 1003105891

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

Dr. Maria Corcorran , MD

Internal Medicine

NPI 1003159013

Doctor of Medicine (M.D.)

Dr. Justin Miller , PhD

Psychologist - Clinical

NPI 1003162314

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 11, 2025

Registered at 1959 NE PACIFIC ST, SEATTLE, WA 981950001 (Tel: 2065205000)

📍

Updated Business Mailing Address August 11, 2025

Registered at PO BOX 50095, SEATTLE, WA 981455095

✅

NPI Profile Active February 22, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location February 22, 2013

Registered at 1100 9TH AVE, C6-GS, SEATTLE, WA 981012756 (Tel: 2063411994)

📍

Updated Business Mailing Address February 22, 2013

Registered at 1100 9TH AVE, C6-GS, SEATTLE, WA 981012756 (Tel: 2063411994)

👤

Provider Name / Credentials Updated February 22, 2013

Recorded as LILY CHANG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2013

Surgery (License #MD00036409 in WA)

🟢

Initial NPI Registration & Enumeration March 23, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Lily Chang. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1912967274

Entity Type:

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

Enumeration Date: March 23, 2006

Last Update: August 11, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 50095

Seattle, WA 981455095

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.