Grace Grabenstein, OD
NPI 1932087343 · Optometrist · Mitchell, SD
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Grabenstein, OD is a Optometrist provider in Mitchell, SD (NPI 1932087343).
Provider details
- NPI number
- 1932087343
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 837 (SD)
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
Under 1 yr in 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
- 2025-08-25
- Last updated
- 2025-08-25
- Certified
- 2025-08-24
Frequently asked questions
- What is Grace Grabenstein's NPI number?
- Grace Grabenstein's National Provider Identifier (NPI) is 1932087343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Grabenstein's specialty?
- Grace Grabenstein is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Grace Grabenstein located?
- Grace Grabenstein's practice location on file with NPPES is 1900 Grassland Dr, Mitchell, SD 57301-6335.
- What is Grace Grabenstein's phone number?
- The practice phone number listed in the NPPES registry for Grace Grabenstein is (605) 995-5640.
- Does Grace Grabenstein accept Medicare?
- Grace Grabenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Grabenstein's NPI active?
- Yes — Grace Grabenstein's NPI (1932087343) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.