Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William James Lewis, MD

Individual provider Infectious Disease Physician · NPI 1063496859

Dr. William James Lewis, MD is an Infectious Disease in Tulsa, Oklahoma. Graduated from University of Texas Medical Branch at Galveston in 1990, 36 years ago. Practices with Warren Clinic Inc, a 772-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
36
Trained at
University of Texas Medical Branch at Galveston
Licensed in
OK
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6565 S Yale Ave Ste 812
Tulsa, OK 74136-8354
Phone: (918) 494-9486
Fax: (918) 494-9480
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 19697 (OK)

Record details

NPI number1063496859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 5, 2005
Last updated in NPPESJuly 23, 2025
Certification dateJuly 23, 2025

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1990 (36 years in practice)
Group practice Warren Clinic Inc — 772 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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