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Darwin Ristow, O.D.
NPI 1134230543 · Optometrist · Alpena, MI
Darwin Ristow, O.D. is a Optometrist provider in Alpena, MI (NPI 1134230543).
Provider details
- NPI number
- 1134230543
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4901002206 (MI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2578 US Highway 23 S
Alpena, MI 49707-4618
Phone: (989) 354-8552
Approximate (ZIP-level) locationGet directions
Mailing address
1273 Partridge Point Rd
Alpena, MI 49707-5106
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-09
Frequently asked questions
- What is Darwin Ristow's NPI number?
- Darwin Ristow's National Provider Identifier (NPI) is 1134230543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darwin Ristow's specialty?
- Darwin Ristow is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Darwin Ristow located?
- Darwin Ristow's practice location on file with NPPES is 2578 US Highway 23 S, Alpena, MI 49707-4618.
- What is Darwin Ristow's phone number?
- The practice phone number listed in the NPPES registry for Darwin Ristow is (989) 354-8552.
- Is Darwin Ristow's NPI active?
- Yes — Darwin Ristow's NPI (1134230543) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.