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

Dr. John Clinton Griffin, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1235628033

Dr. John Clinton Griffin, DO is an Internal Medicine in Mesa, Arizona. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2018, 8 years ago. Practices with Aia Hospitalists LLC, a 52-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
8
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
AZ
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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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.

Mesa, AZ

No coordinates on file. Search this address in Google Maps

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 009394 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (AZ)

Record details

NPI number1235628033
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 7, 2018
Last updated in NPPESFebruary 18, 2022
Certification dateFebruary 18, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2018 (8 years in practice)
Group practice Aia Hospitalists Llc — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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