Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1346326162 Individual Practitioner Male Practitioner

Dr. Marshall P Welch , MD

Dermatology • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. Marshall Welch, MD is a registered healthcare professional specializing in Dermatology in Seattle, WA. Practice services are available at 325 9TH AVE under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

325 9th Ave

Seattle, WA 981042499

Telephone 2067443000
Associated Practice Facility / Clinic
🏢 Harborview Medical Center Facility NPI 1053359729

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Seattle, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.7 Yrs
State Avg: 19.7 Yrs
Regional Practice Density
126 Specialists

Practicing in Seattle, WA (397 Statewide)

Telehealth Adoption Rate
27.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2018)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
21 11 $198.25 $78.38

Medical Specialties & State Licenses

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License WA MD00026572

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
8139354 (WA)
Commercial Insurance / Payer ID Railroad Medicare
070007013 (WA)
Commercial Insurance / Payer ID Internal Id-Motor Vehicle Id
8463

Practice Associates & Co-Workers

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

40 Associated Practitioners
Diane Wheeler , MS, PA-C

Physician Assistant - Medical

NPI 1003045543

Master of Science, Physician Assistant (Certified)

Leslie Enzian

Internal Medicine

NPI 1003992892
NPI 1013014174
Gabriela Heras , MSW

Social Worker - Clinical

NPI 1013755644

Master of Social Work

Alan Diaz Montoya

Social Worker

NPI 1013773951
Dr. Brandon Golden , MD

Emergency Medicine

NPI 1023631348

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
📍
Updated Business Mailing Address August 22, 2019

Registered at 1730 MINOR AVE, STE 1000, SEATTLE, WA 981011464

NPI Profile Active January 05, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location January 05, 2012

Registered at 325 9TH AVE, SEATTLE, WA 981042499 (Tel: 2067443000)

📍
Updated Business Mailing Address January 05, 2012

Registered at PO BOX 50095, SEATTLE, WA 981455095

👤
Provider Name / Credentials Updated January 05, 2012

Recorded as MARSHALL WELCH, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 05, 2012

Dermatology (License #MD00026572 in WA)

🟢
Initial NPI Registration & Enumeration October 27, 2006

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. Marshall Welch. Be the first to share your experience!

Sign in to leave a review for Dr. Marshall Welch

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

NPI Administrative Meta

NPI Number: 1346326162
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 27, 2006
Last Update: August 22, 2019
Sole Proprietor: No

Mailing Address

1730 Minor Ave, Ste 1000

Seattle, WA 981011464

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.