IndividualActive
Isaac Gerhartz
NPI 1013711399 · Optician · Greenfield, WI
Isaac Gerhartz is a Optician provider in Greenfield, WI (NPI 1013711399).
Provider details
- NPI number
- 1013711399
- Entity type
- Individual
- Primary specialty
- OpticianEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- ABOC-264958 (WI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
10600 W Layton Ave
Greenfield, WI 53228-3258
Phone: (414) 209-0359
Fax: (414) 427-6168
Street-level locationGet directions
Mailing address
2562 S 85th St
West Allis, WI 53227-2720
Additional practice locations (2)
- 250 Wolf RunMukwonago, WI 53149-8470Phone: (262) 363-2895Fax: (262) 363-2902
- W159s6530 Moorland RdMuskego, WI 53150-7515Phone: (414) 209-0321Fax: (414) 422-9204
Registry dates
- Enumerated
- 2025-04-03
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Isaac Gerhartz's NPI number?
- Isaac Gerhartz's National Provider Identifier (NPI) is 1013711399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Gerhartz's specialty?
- Isaac Gerhartz is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).
- Where is Isaac Gerhartz located?
- Isaac Gerhartz's practice location on file with NPPES is 10600 W Layton Ave, Greenfield, WI 53228-3258.
- What is Isaac Gerhartz's phone number?
- The practice phone number listed in the NPPES registry for Isaac Gerhartz is (414) 209-0359.
- Is Isaac Gerhartz's NPI active?
- Yes — Isaac Gerhartz's NPI (1013711399) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.