Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Casey Lenox Jr., MD

Individual provider Anesthesiology Physician · NPI 1144200577

William Casey Lenox Jr., MD is an Anesthesiology in Phoenix, Arizona. Graduated from University of Missouri, Columbia School of Medicine in 1983, 43 years ago. Practices with Phoenix Children's Hospital, a 430-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
43
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
AZ
In the registry since
2006
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

1850 N Central Ave Ste 1600
Phoenix, AZ 85004-4633
Phone: (602) 744-4765
Fax: (602) 744-4799
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 24506 (AZ)

Record details

NPI number1144200577
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2006
Last updated in NPPESOctober 27, 2010

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Phoenix Children'S Hospital — 430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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