Ervin Hanson, M.D.
NPI 1396906418 · Neurological Surgery Physician · Greenwich, CT
Ervin Hanson, M.D. is a Neurological Surgery Physician provider in Greenwich, CT (NPI 1396906418).
Provider details
- NPI number
- 1396906418
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 014872 (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
18 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
- 2008-06-20
- Last updated
- 2008-06-20
Frequently asked questions
- What is Ervin Hanson's NPI number?
- Ervin Hanson's National Provider Identifier (NPI) is 1396906418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ervin Hanson's specialty?
- Ervin Hanson is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ervin Hanson located?
- Ervin Hanson's practice location on file with NPPES is 7 Deer Park Ct, Greenwich, CT 06830-3803.
- What is Ervin Hanson's phone number?
- The practice phone number listed in the NPPES registry for Ervin Hanson is (203) 869-1244.
- Is Ervin Hanson's NPI active?
- Yes — Ervin Hanson's NPI (1396906418) is active in the NPPES registry as of the last update on 2008-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.