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

Nathan Rex Duffin, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1497016190

Nathan Rex Duffin, DO is an Internal Medicine in Mesa, Arizona. Qualified in 2006, 20 years ago. Practices with Pulmonary Consultants PC, a 32-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
20
Licensed in
AZ
In the registry since
2012
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

1301 S Crismon Rd
Mesa, AZ 85209-3767
Phone: (602) 708-2599
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 006636 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1497016190
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 30, 2012
Last updated in NPPESFebruary 24, 2015
Mailing address1301 S Crismon Rd, Mesa, AZ 85209-3767

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Pulmonary Consultants P.C. — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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