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

Dr. James L Slack, MD

Individual provider Hematology & Oncology Physician · NPI 1841273588

Dr. James L Slack, MD is a Hematopoietic Cell Transplantation and Cellular Therapy in Phoenix, Arizona. Graduated from University of New Mexico School of Medicine in 1983, 43 years ago. Practices with Honorhealth, a 65-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
43
Trained at
University of New Mexico School of Medicine
Licensed in
AZ
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

5777 E Mayo Blvd
Phoenix, AZ 85054-4502
Phone: (480) 301-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 31866 (AZ)

Record details

NPI number1841273588
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2005
Last updated in NPPESOctober 19, 2021
Certification dateOctober 19, 2021
Mailing address5777 E Mayo Blvd, Phoenix, AZ 85054-4502

Medicare enrollment

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

Medicare specialtyHEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF NEW MEXICO SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Honorhealth — 65 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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