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

Johanna Dreiling, MD

Individual provider Family Medicine Physician · NPI 1114174414

Johanna Dreiling, MD is a Family Practice in Hamilton, Montana. Graduated from Mayo Medical School in 2007, 19 years ago. Practices with Sapphire Community Health Inc, a 39-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
19
Trained at
Mayo Medical School
Licensed in
MT
In the registry since
2008
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

623 S 4th St
Hamilton, MT 59840-2740
Phone: (406) 544-0295
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 12495 (MT)

Record details

NPI number1114174414
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2008
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026
Mailing address623 S 4th St, Hamilton, MT 59840-2740

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMAYO MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Sapphire Community Health Inc — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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