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

Dr. John B Chastain, MD

Individual provider Otolaryngology Physician · NPI 1801915715

Dr. John B Chastain, MD is an Otolaryngology in Tucson, Arizona. Graduated from Medical College of Georgia School of Medicine in 2002, 24 years ago. Practices with San Carlos Apache Healthcare Corporation, a 145-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
24
Trained at
Medical College of Georgia School of Medicine
Licensed in
AZ
In the registry since
2007
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

2121 N Craycroft Rd Bldg 5
Tucson, AZ 85712-2801
Phone: (520) 296-8500
Fax: (520) 733-2389
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1358 W. Orange Grove, Tucson, AZ 85704 — (520) 575-1272

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 51562 (AZ)

Record details

NPI number1801915715
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESAugust 12, 2019
Mailing address2121 N Craycroft Rd Bldg 5, Tucson, AZ 85712-2801

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice San Carlos Apache Healthcare Corporation — 145 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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