Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. William Lewis Marr IV, PA-C

Individual provider Physician Assistant · NPI 1992801179

Mr. William Lewis Marr IV, PA-C is a Physician Assistant in Durango, Colorado. Qualified in 1996, 30 years ago. Works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Texas.

Years since qualifying
30
Licensed in
CO, TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

810 E 3rd St Unit 201
Durango, CO 81301-5759
Phone: (970) 764-1790
Fax: (970) 375-7927
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1209 Highway 35 N, Rockport, TX 78382-4808 — (361) 729-9811

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA.0008209 (CO)
Physician Assistant Taxonomy 363A00000X · Licence PA01678 (TX)

Record details

NPI number1992801179
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 15, 2006
Last updated in NPPESMarch 4, 2025
Certification dateMarch 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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