Active NPI 1942365705 Individual Practitioner Male Practitioner

Dr. Willam H Marks , MD

Transplant Surgery • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. Willam Marks, MD is a registered healthcare professional specializing in Transplant Surgery in Seattle, WA. Practice services are available at 1101 MADISON ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1101 Madison St
Ste 200

Seattle, WA 981041306

Telephone 2063863660

Fax 2063863644

Associated Practice Facility / Clinic

🏢 Seattle Obgyn Group Facility NPI 1336112713

Specialty Benchmarks & Practice Insights

Comparative analytics for Transplant Surgery in Seattle, WA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 20.8 Yrs

State Avg: 24.6 Yrs

Regional Practice Density

13 Specialists

Practicing in Seattle, WA (17 Statewide)

Telehealth Adoption Rate

7.7% 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

Transplant Surgery Primary Specialty

NUCC Taxonomy Code: 204F00000X

State License WA MD00031116

A surgeon who specializes in transplant surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8149320 (WA)

Practice Associates & Co-Workers

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

20 Associated Practitioners

Patricia Kemerley , ARNP

Nurse Practitioner

NPI 1003912411

Advanced Registered Nurse Practitioner

Margaret Siegfried , ARNP

Nurse Practitioner - Acute Care

NPI 1164752655

Advanced Registered Nurse Practitioner

Lauren Kenney-Crowell , ARNP

Nurse Practitioner

NPI 1225522626

Advanced Registered Nurse Practitioner

Angela Johnston , ARNP

Nurse Practitioner

NPI 1245582683

Advanced Registered Nurse Practitioner

Dr. Diana Perkinson , MD

Internal Medicine - Nephrology

NPI 1316933450

Doctor of Medicine (M.D.)

Dr. Glen Lutchman , MD, MHSC

Internal Medicine - Transplant Hepatology

NPI 1326208638

Doctor of Medicine (M.D.), MHSC

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1101 MADISON ST, STE 200, SEATTLE, WA 981041306 (Tel: 2063863660)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 84026, SEATTLE, WA 981248426 (Tel: 2063204476)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as WILLAM MARKS, MD

🎓

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

Transplant Surgery (License #MD00031116 in WA)

🟢

Initial NPI Registration & Enumeration December 22, 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: 1942365705

Entity Type:

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

Enumeration Date: December 22, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 84026

Seattle, WA 981248426

Phone: 2063204476

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.