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Deactivated NPI 1306815352 Deactivated / Inactive NPI Male Practitioner

Dr. David Youthy Liang , MD

Surgery • Monroeville, PA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. David Liang has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 14, 2006
NPI Deactivation Date September 25, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. David Liang, MD was a registered Surgery practicing in Monroeville, PA. Throughout an active medical career spanning 19 years, Dr. Liang provided care at the practice location at 4318 NORTHERN PIKE until profile deactivation on 2025-09-25.

Practice Location & Contact Primary Location

Practice Address

4318 Northern Pike
Suite 204a

Monroeville, PA 15146

Telephone 4128564114
Fax 4128564066
Associated Practice Facility / Clinic
🏢 Upmc Community Medicine Inc Facility NPI 1972630747

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Monroeville, PA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.8 Yrs
State Avg: 26.1 Yrs
Regional Practice Density
12 Specialists

Practicing in Monroeville, PA (1976 Statewide)

Telehealth Adoption Rate
8.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License PA MD034107L

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.

Practice Associates & Co-Workers

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

3 Associated Practitioners
NPI 1124260823

Registered Nurse, Certified Massage Therapist

Dr. Angelo Castiglione , MD

Internal Medicine - Cardiovascular Disease

NPI 1275696932

Doctor of Medicine (M.D.)

NPI 1972518363

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated September 25, 2025

Record deactivated on September 25, 2025

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 4318 NORTHERN PIKE, SUITE 204A, MONROEVILLE, PA 15146 (Tel: 4128564114)

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Updated Business Mailing Address July 08, 2007

Registered at 4318 NORTHERN PIKE, SUITE 204A, MONROEVILLE, PA 15146 (Tel: 4128564114)

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Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID LIANG, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #MD034107L in PA)

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Initial NPI Registration & Enumeration March 14, 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: 1306815352
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 14, 2006
Last Update: July 08, 2007
Deactivation Date: September 25, 2025

Mailing Address

4318 Northern Pike, Suite 204a

Monroeville, PA 15146

Phone: 4128564114

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.