Martha Ferne Hartz, M.D.
Pediatric Allergy/Immunology Physician · Rochester, MN
Martha Ferne Hartz, M.D. is a pediatric allergy/immunology physician with a practice address in Rochester, Minnesota, and NPI 1679550206, issued on Dec 23, 2005. Check the license (Minnesota 32524, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Martha Ferne Hartz
- Credential
- M.D.
- Primary taxonomy
- Pediatric Allergy/Immunology Physician 2080P0201X
- License numbers
- 32524 MN
75087 WI
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Dec 23, 2005
- Record last updated
- May 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050722000792); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
- Christopher Aakre, MDInternal Medicine Physician1508151663
- Kathryn Aaro, P.T.Physical Therapist1619360666
- Danielle Aase, MDReproductive Endocrinology Physician1316524135
- Uzoamaka Abajue, PHARMDPharmacist1982335295
- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify Martha Ferne Hartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 32524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Allergy/Immunology Physician providers in Minnesota
There are 7 pediatric allergy/immunology physician records in Minnesota.
Other pediatric allergy/immunology physician records in Minnesota
- Avni Joshi, MBBS, MDRochester, MN1932286556
- Jenny Montejo, MDRochester, MN1053358655
- Anupama Ravi, M.D.Rochester, MN1619102068
- Gloria Sheng, MDMinneapolis, MN1225560295
- Richard SveumMinneapolis, MN1013994052
- Richard WyattSt Louis Park, MN1235117177
Common questions
What is Martha Ferne Hartz, M.D.'s NPI number?
Martha Ferne Hartz, M.D.'s National Provider Identifier (NPI) is 1679550206, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martha Ferne Hartz, M.D. located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify Martha Ferne Hartz, M.D.'s license?
NPPES lists Minnesota license number 32524, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.