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

Dr. Clayton W Long, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1568027647

Dr. Clayton W Long, MD is a Hematology/Oncology in Phoenix, Arizona. Qualified in 2019, 7 years ago. Licensed in Arizona and Iowa.

Years since qualifying
7
Licensed in
AZ, IA
In the registry since
2019
Specialties on file
3
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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Phoenix, AZ

No coordinates on file. Search this address in Google Maps

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 67305 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (IA)
Pediatrics Physician Taxonomy 208000000X · Licence 67305 (AZ)

Record details

NPI number1568027647
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2019
Last updated in NPPESApril 30, 2026
Certification dateApril 30, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated

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