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

Dr. John K Nagel, MD

Individual provider Psychiatry Physician · NPI 1720196884

Dr. John K Nagel, MD is a Psychiatry Physician in Flagstaff, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2187 N Vickey St
Flagstaff, AZ 86004-6121
Phone: (928) 714-5305
Fax: (928) 714-6480
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 47618 (AZ)

Record details

NPI number1720196884
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2006
Last updated in NPPESMarch 7, 2023

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