Nathan Neuenfeldt
NPI 1689464471 · Optometrist · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Neuenfeldt is a Optometrist provider in Grand Blanc, MI (NPI 1689464471).
Provider details
- NPI number
- 1689464471
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 4901005909 (MI)
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
1 yr 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
- 2025-05-07
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Nathan Neuenfeldt's NPI number?
- Nathan Neuenfeldt's National Provider Identifier (NPI) is 1689464471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Neuenfeldt's specialty?
- Nathan Neuenfeldt is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nathan Neuenfeldt located?
- Nathan Neuenfeldt's practice location on file with NPPES is 12770 S Saginaw St, Grand Blanc, MI 48439-1831.
- What is Nathan Neuenfeldt's phone number?
- The practice phone number listed in the NPPES registry for Nathan Neuenfeldt is (810) 695-3500.
- Does Nathan Neuenfeldt accept Medicare?
- Nathan Neuenfeldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Neuenfeldt's NPI active?
- Yes — Nathan Neuenfeldt's NPI (1689464471) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.