Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LYNN C HARTMANN M.D.
NPI 1912986381
Internal Medicine - Medical Oncology in Rochester, MN

Active since January 12, 2006
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lynn C Hartmann M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LYNN C HARTMANN M.D. (NPI 1912986381) is an individual medical oncology provider in Rochester, Minnesota, licensed in Minnesota (30449) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1912986381
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameLYNN C HARTMANNCredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Enumeration DateJanuary 12, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1912986381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in MN · 30449
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
200 1ST ST SW, Rochester, MN 55905

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lynn Hartmann's NPI number?

The NPI number for Lynn Hartmann is 1912986381. It was assigned to this individual provider in the NPPES registry on January 12, 2006.

Where is Lynn Hartmann located?

Lynn Hartmann practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Lynn Hartmann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Lynn Hartmann was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.