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Active NPI 1497018774 Individual Practitioner Male Practitioner

Dr. David Yuan-Sou Chen , MD

Dermatology • Saint Louis, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Chen, MD is a certified Dermatology practicing in Saint Louis, MO. With approximately 14 years of clinical experience since graduating from Washington University School Of Medicine in 2012, Dr. Chen delivers high-quality medical care to the local community at 4500 FOREST PARK AVE.

Dr. Chen is affiliated with Washington University and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, administration of chemotherapy into growth, 1-7, destruction of precancer skin growth, 2-14 growths. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4500 Forest Park Ave
Div Im Dermatology, 6th Fl

Saint Louis, MO 631082114

Telephone 3142733376
Fax 8886658309
Associated Practice Facility / Clinic
🏢 Barnes Jewish Hospital Facility NPI 1245081058

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Saint Louis, MO

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
14 Yrs -4.1 yrs vs City Avg
City Avg: 18.1 Yrs
State Avg: 22.2 Yrs
Regional Practice Density
103 Specialists

Practicing in Saint Louis, MO (287 Statewide)

Telehealth Adoption Rate
3.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (14 Years) 14 Yrs
Saint Louis Specialty Average (18.1 Years) 18.1 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
81 42 $247.06 $123.33
96405 Administration of chemotherapy into growth, 1-7
58 12 $315.00 $77.89
99213 Established patient office or other outpatient visit, typically 15 minutes
53 39 $156.74 $87.29
17003 Destruction of precancer skin growth, 2-14 growths
46 11 $92.00 $6.28
17000 Destruction of skin growth
29 20 $213.72 $53.37
11102 Tangential biopsy of single skin lesion
16 14 $343.00 $92.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
11 11 $402.45 $160.60

Medical Specialties & State Licenses

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License MO 2016011492

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
200032619 (MO)

Hospital & Practice Group Affiliations

Washington University

4901 Forest Park Ave, Saint Louis, MO 631081495

Phone: 3143625060

Washington University

4500 Forest Park Ave, Saint Louis, MO 631082114

Practice Associates & Co-Workers

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

29 Associated Practitioners
NPI 1013934579

Doctor of Medicine (M.D.)

NPI 1073660957

Doctor of Medicine (M.D.)

NPI 1194105981

Doctor of Medicine (M.D.)

NPI 1225056732

Doctor of Medicine (M.D.)

NPI 1235633652

MDPHD

NPI 1265812184

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

17 Historical Events
📍
Updated Practice Location April 15, 2025

Registered at 4500 FOREST PARK AVE, DIV IM DERMATOLOGY, 6TH FL, SAINT LOUIS, MO 631082114 (Tel: 3142733376)

📍
Updated Business Mailing Address April 15, 2025

Registered at PO BOX 7412011, CHICAGO, IL 606742011 (Tel: 3142733376)

📍
Updated Business Mailing Address April 25, 2024

Registered at PO BOX 60352, SAINT LOUIS, MO 631600352 (Tel: 3142733376)

📍
Updated Business Mailing Address July 24, 2023

Registered at 660 S EUCLID AVE, MSC 8123-29-10014, SAINT LOUIS, MO 631101010 (Tel: 3142733376)

📍
Updated Practice Location November 15, 2021

Registered at 4901 FOREST PARK AVE, DIV IM DERMATOLOGY, STE 502, SAINT LOUIS, MO 631081495 (Tel: 3142733376)

📍
Updated Business Mailing Address November 15, 2021

Registered at 660 S EUCLID AVE, CB 8123, SAINT LOUIS, MO 631101010 (Tel: 3142733376)

NPI Profile Active January 24, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location January 24, 2018

Registered at 4921 PARKVIEW PL STE 5B, STE 5B, SAINT LOUIS, MO 631101032 (Tel: 3143622643)

📍
Updated Business Mailing Address January 24, 2018

Registered at 660 S EUCLID AVE, C B 8123, SAINT LOUIS, MO 631101010 (Tel: 3143622643)

👤
Provider Name / Credentials Updated January 24, 2018

Recorded as DAVID CHEN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2018

Dermatology (License #2016011492 in MO)

NPI Profile Active September 09, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location September 09, 2016

Registered at 4921 PARKVIEW PL, STE 5B, SAINT LOUIS, MO 631101032 (Tel: 3143622643)

📍
Updated Business Mailing Address September 09, 2016

Registered at 660 S EUCLID AVE, C B 8123, SAINT LOUIS, MO 631101010 (Tel: 3143622643)

👤
Provider Name / Credentials Updated September 09, 2016

Recorded as DAVID CHEN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 09, 2016

Dermatology (License #2016011492 in MO)

🟢
Initial NPI Registration & Enumeration June 20, 2012

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: 1497018774
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 20, 2012
Last Update: April 15, 2025
Sole Proprietor: No

Mailing Address

Po Box 7412011

Chicago, IL 606742011

Phone: 3142733376

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.