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

Dr. Samuel Loeffelbein Martin, MD

Individual provider Internal Medicine Physician · NPI 1245882372

Dr. Samuel Loeffelbein Martin, MD is an Internal Medicine in Flagstaff, Arizona. Graduated from Creighton University School of Medicine in 2019, 7 years ago. Practices with Northern Arizona Healthcare Corporation, a 395-clinician group and accepts Medicare assignment. Licensed in Arizona and Nebraska.

Years since qualifying
7
Trained at
Creighton University School of Medicine
Licensed in
AZ, NE
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.

See every abbreviation used in this directory →

Practice location Address checks out

1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone: (928) 779-3366
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 69323 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 69323 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 8531 (NE)

Record details

NPI number1245882372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2019
Last updated in NPPESOctober 7, 2025
Certification dateOctober 7, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Northern Arizona Healthcare Corporation — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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