Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1245619154 Individual Practitioner Male Practitioner

Dr. Douglas James Cassidy , MD

Surgery • Saint Louis, MO

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Douglas Cassidy, MD is a certified Surgery practicing in Saint Louis, MO. With approximately 11 years of clinical experience since graduating from Tufts University School Of Medicine in 2015, Dr. Cassidy delivers high-quality medical care to the local community at 1 BARNES JEWISH HOSPITAL PLZ.

Dr. Cassidy is affiliated with University Medical Associates Of The Medical University Of South Carol and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, repair of groin hernia using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Barnes Jewish Hospital Plz
Div Surg Mis

Saint Louis, MO 631101003

Telephone 3144548877
Fax 8779914780
Associated Practice Facility / Clinic
🏢 Midwest Lithotripsy, Llc Facility NPI 1831198639

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Saint Louis, MO

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -7.3 yrs vs City Avg
City Avg: 18.3 Yrs
State Avg: 26.1 Yrs
Regional Practice Density
246 Specialists

Practicing in Saint Louis, MO (766 Statewide)

Telehealth Adoption Rate
9.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
87.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cassidy (11 Years) 11 Yrs
Saint Louis Specialty Average (18.3 Years) 18.3 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
48 48 $375.54 $125.32
99213 Established patient office or other outpatient visit, typically 15 minutes
38 27 $186.58 $62.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
28 27 $269.93 $89.22
49650 Repair of groin hernia using an endoscope
14 14 $4955.00 $434.68

Medical Specialties & State Licenses

CMS Verified: 2022-09-27
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MO 2022031556

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
200113287 (MO)

Hospital & Practice Group Affiliations

University Medical Associates Of The Medical University Of South Carol

171 Ashley Ave, Charleston, SC 294258908

Phone: 8437921414

Practice Associates & Co-Workers

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

20 Associated Practitioners
NPI 1083144158

Doctor of Medicine (M.D.)

Katherine Henslee , FNP

Nurse Practitioner - Adult Health

NPI 1124282819

Family Nurse Practitioner

NPI 1144514423

Doctor of Medicine (M.D.)

NPI 1164683025

Doctor of Medicine (M.D.)

NPI 1184367690

Doctor of Medicine (M.D.), Master of Public Health

Michelle Hedrick , AGNP

Nurse Practitioner - Gerontology

NPI 1194477406

Adult-Gerontology Nurse Practitioner

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location October 07, 2022

Registered at 1 BARNES JEWISH HOSPITAL PLZ, DIV SURG MIS, SAINT LOUIS, MO 631101003 (Tel: 3144548877)

📍
Updated Business Mailing Address October 07, 2022

Registered at 660 S EUCLID AVE, MSC 8109-37-920, SAINT LOUIS, MO 631101010 (Tel: 3144547224)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 07, 2022

Surgery (License #2022031556 in MO)

NPI Profile Active May 26, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location May 26, 2015

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, BOSTON, MA 02114 (Tel: 6177262800)

📍
Updated Business Mailing Address May 26, 2015

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, BOSTON, MA 02114 (Tel: 6177262800)

👤
Provider Name / Credentials Updated May 26, 2015

Recorded as DOUGLAS CASSIDY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 26, 2015

Surgery (License #L-262973 in MA)

🟢
Initial NPI Registration & Enumeration May 26, 2015

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. Douglas Cassidy. Be the first to share your experience!

Sign in to leave a review for Dr. Douglas Cassidy

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

NPI Administrative Meta

NPI Number: 1245619154
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 26, 2015
Last Update: October 07, 2022
Sole Proprietor: No

Mailing Address

660 S Euclid Ave, Msc 8109-37-920

Saint Louis, MO 631101010

Phone: 3144547224

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.