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

Individual provider Allergy & Immunology Physician · NPI 1679550206

Martha Ferne Hartz, MD is a Pediatric Medicine in Rochester, Minnesota. Qualified in 1988, 38 years ago. Practices with Mayo Clinic, a 4,796-clinician group and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
38
Licensed in
MN, WI
In the registry since
2005
Specialties on file
3
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

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence 32524 (MN)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 32524 (MN)
Pediatric Allergy/Immunology Physician Taxonomy 2080P0201X · Licence 75087 (WI)

Record details

NPI number1679550206
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 23, 2005
Last updated in NPPESMay 7, 2021
Certification dateMay 7, 2021

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesALLERGY/IMMUNOLOGY
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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