Holly Seddon, M.D.
NPI 1598707044 · Addiction Medicine (Psychiatry & Neurology) Physician · Danbury, CT
Holly Seddon, M.D. is a Addiction Medicine (Psychiatry & Neurology) Physician provider in Danbury, CT (NPI 1598707044).
Provider details
- NPI number
- 1598707044
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 043673 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Holly Seddon's NPI number?
- Holly Seddon's National Provider Identifier (NPI) is 1598707044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Seddon's specialty?
- Holly Seddon is listed in the NPPES registry with a primary specialty of Addiction Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Seddon located?
- Holly Seddon's practice location on file with NPPES is 24 Hospital Ave, Danbury, CT 06810-6099.
- What is Holly Seddon's phone number?
- The practice phone number listed in the NPPES registry for Holly Seddon is (203) 797-7443.
- Is Holly Seddon's NPI active?
- Yes — Holly Seddon's NPI (1598707044) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.