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

Mr. Warren C Johnson, MD, PHD

Individual provider Family Medicine Physician · NPI 1134168925

Mr. Warren C Johnson, MD, PHD is a Family Practice in Phoenix, Arizona. Graduated from University of Arizona College of Medicine in 1994, 32 years ago. Practices with Paradise Valley Family Medicine, PC, a 2-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
32
Trained at
University of Arizona College 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.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

11209 N Tatum Blvd Ste 180
Phoenix, AZ 85028-3091
Phone: (602) 494-5155
Fax: (602) 494-5115
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 23569 (AZ)

Record details

NPI number1134168925
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Paradise Valley Family Medicine, Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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