DANIEL JOSEPH HERR (MD) – Radiation Oncology Physician, NPI 1174083208

DANIEL JOSEPH HERR (MD) is a healthcare provider. based in Westbrook, Maine. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. 32004 (NH). The NPI Number for DANIEL JOSEPH HERR (MD) is 1174083208

Main info

Male
Sole Proprietor
7 Years Of Experience
Accepts Medicare Assignment
Name
DANIEL JOSEPH HERR (MD)
NPI
1174083208
Phone
(207) 303-3300
Address
11 Rock Row Ste 120
Enumeration Date
24 March 2019
Last Update Date
21 April 2026

Doctor Profile

Medical School Name
MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Secondary Phone
6035594188
Graduation Year
2019 (7 years ago)
PAC ID
1052647492
Group Practice PAC ID
7618871245
Professional Enrollment ID
I20240715001481
Address ID
NH038017128PO333XXAVEX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness85
Years active:7State licenses:2Digital endpointsOther names

22 RADIATION ONCOLOGY in ME

Provider Addresses for DANIEL JOSEPH HERR (MD)

  • 11 Rock Row Ste 120

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 11 Rock Row Ste 320

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 1012, West Washington Street, Old West Side, Ann Arbor, Washtenaw County, Michigan, 48103, United States

    ANN ARBOR, MI 481034242

    Phone: (303) 803-0433

    Type: Mailing

  • Mott Children's Hospital and Von Voigtlander Women's Hospital, 1500, East Medical Center Drive, Ann Arbor, Washtenaw County, Michigan, 48109, United States

    ANN ARBOR, MI 481095000

    Phone: (734) 936-4300

    Type: Location

  • 11 Rock Row Ste 150

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 15 Rock Row Ste 110

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 324 GANNETT DR STE 200

    SOUTH PORTLAND, ME 041063266

    Phone: (207) 482-7800

    Type: Mailing

  • 22 BRAMHALL ST

    PORTLAND, ME 041023134

    Phone: (207) 662-2526

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-07-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240712002725IRadiation OncologyMETBD
I20240715001481IRadiation OncologyNHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 04092)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7618871245View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm DANIEL JOSEPH HERR (MD)'s NPI?
Yes. DANIEL JOSEPH HERR (MD) is listed with NPI 1174083208 in the public NPI dataset.
Is DANIEL JOSEPH HERR (MD) still practicing?
DANIEL JOSEPH HERR (MD) is currently listed as active in the public NPI registry.
What taxonomy line describes DANIEL JOSEPH HERR (MD)?
For research purposes, treat DANIEL JOSEPH HERR (MD) as Radiation Oncology Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for DANIEL JOSEPH HERR (MD)?
DANIEL JOSEPH HERR (MD)'s geographic hint is Westbrook, Maine in our summary view.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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