Individual provider · Type 1 NPI

Daniel Joseph Herr, MD

Radiation Oncology Physician · Portland, ME

NPI number 1174083208 Active

Practice location

22 Bramhall St
Portland, ME 04102-3134

Call (207) 662-2526 Map

Mailing address

324 Gannett Dr Ste 200
South Portland, ME 04106-3266

Other practice locations

  • 11 Rock Row Ste 150, Westbrook, ME 04092-4877 · (207) 303-3300
  • 11 Rock Row Ste 320, Westbrook, ME 04092-4877 · (207) 303-3300
  • 11 Rock Row Ste 120, Westbrook, ME 04092-4877 · (207) 303-3300
  • 15 Rock Row Ste 110, Westbrook, ME 04092-4877 · (207) 303-3300

Specialties and licenses

TaxonomyCodeLicense
Radiation Oncology Physician 2085R0001X32004 (NH)
Radiation Oncology Physician Primary 2085R0001XMD28085 (ME)

Radiation Oncology Physician: A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1,721 other providers at this address

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About NPI 1174083208

Daniel Joseph Herr, MD's National Provider Identifier is 1174083208, issued on Mar 24, 2019. The primary taxonomy on file is Radiation Oncology Physician (2085R0001X), and the practice location is in Portland, ME. The record was last updated on Apr 21, 2026.