Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1619057734 Individual Practitioner Male Practitioner

Dr. Marcus R Williams , MD

Internal Medicine • Exton, PA

Professional Overview & Biography Verified Profile Summary

Dr. Marcus Williams, MD is a registered healthcare professional specializing in Internal Medicine in Exton, PA. Practice services are available at 80 W WELSH POOL RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

80 W Welsh Pool Rd
Suite 101s

Exton, PA 193411233

Telephone 4844832745
Fax 4848794098
Associated Practice Facility / Clinic
🏢 Jonathan K Hetzel, Md Facility NPI 1194893313

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Exton, PA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.4 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
14 Specialists

Practicing in Exton, PA (7609 Statewide)

Telehealth Adoption Rate
14.3% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License PA MD428872

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
30206557 (NH)

Practice Associates & Co-Workers

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

9 Associated Practitioners
NPI 1104114297

Doctor of Audiology

NPI 1215101795

Master of Science, Certificate of Clinical Competence, A, FAAA

NPI 1306862362

Doctor of Audiology, Certificate of Clinical Competence, A

NPI 1366502692

Doctor of Optometry

Dr. Guillermo Juncos , MD

Allergy & Immunology

NPI 1386752590

Doctor of Medicine (M.D.)

Dr. Barry Weinsten , DDS

Dentist - Periodontics

NPI 1407988066

Doctor of Dental Surgery

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active February 04, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location February 04, 2014

Registered at 80 W WELSH POOL RD, SUITE 101S, EXTON, PA 193411233 (Tel: 4844832745)

📍
Updated Business Mailing Address February 04, 2014

Registered at 80 W WELSH POOL RD, SUITE 101S, EXTON, PA 193411233 (Tel: 4844832745)

👤
Provider Name / Credentials Updated February 04, 2014

Recorded as MARCUS WILLIAMS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 04, 2014

Internal Medicine (License #MD428872 in PA)

🟢
Initial NPI Registration & Enumeration October 16, 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: 1619057734
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 16, 2006
Last Update: February 04, 2014
Sole Proprietor: No

Mailing Address

80 W Welsh Pool Rd, Suite 101s

Exton, PA 193411233

Phone: 4844832745

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.