Quick answers
- Which hospitals does Daniel J. Herr work at?
- Medicare's official clinician data lists Daniel J. Herr at 5 hospitals: MaineHealth Maine Medical Center, Northern Light Mercy Hospital, Portsmouth Regional Hospital, The Memorial Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel J. Herr see patients?
- Medicare's clinician data lists 3 practice locations, including Portland, ME, Sanford, ME and Portsmouth, NH. Call before your visit to confirm the address.
- What is Daniel J. Herr's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Daniel J. Herr accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel J. Herr accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Daniel J. Herr?
- (207) 871-2571, as listed in official Medicare / NPI Registry data.
- What is Daniel J. Herr's NPI number?
- 1174083208. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel J. Herr works
Medicare's Facility Affiliation Data lists Daniel J. Herr at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · CCN 200008
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · CCN 300029
- The Memorial HospitalNorth Conway, NH · Critical Access Hospital · CCN 301307
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Daniel J. Herr is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Bramhall StPortland, ME 04102 (207) 871‑2571
- 27 Industrial AveSanford, ME 04073 (207) 459‑1600
- 333 Borthwick AvePortsmouth, NH 03801 (603) 559‑4188
Group practices
Medicare enrollment lists Daniel J. Herr as a member of this group (CMS data updated 2026-10-02).
- Spectrum Healthcare Partners PA308 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174083208 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians