Gregory Hansen, O.D.
NPI 1487616736 · Optometrist · Dubuque, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Hansen, O.D. is a Optometrist provider in Dubuque, IA (NPI 1487616736).
Provider details
- NPI number
- 1487616736
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- License
- 1941 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
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
- 2006-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Hansen's NPI number?
- Gregory Hansen's National Provider Identifier (NPI) is 1487616736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hansen's specialty?
- Gregory Hansen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Gregory Hansen located?
- Gregory Hansen's practice location on file with NPPES is 4200 Dodge St, Dubuque, IA 52003-2624.
- What is Gregory Hansen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hansen is (563) 582-3458.
- Does Gregory Hansen accept Medicare?
- Gregory Hansen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Hansen's NPI active?
- Yes — Gregory Hansen's NPI (1487616736) 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.