IndividualActive
Merle Baker, O.D.
NPI 1639210347 · Optometrist · Estherville, IA
Merle Baker, O.D. is a Optometrist provider in Estherville, IA (NPI 1639210347).
Provider details
- NPI number
- 1639210347
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1731 (IA)
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
121 Central Ave
Estherville, IA 51334-2138
Phone: (712) 362-3560
Fax: (712) 362-3155
Street-level locationGet directions
Mailing address
Po Box 57
Estherville, IA 51334-0057
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2008-03-07
Frequently asked questions
- What is Merle Baker's NPI number?
- Merle Baker's National Provider Identifier (NPI) is 1639210347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merle Baker's specialty?
- Merle Baker is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Merle Baker located?
- Merle Baker's practice location on file with NPPES is 121 Central Ave, Estherville, IA 51334-2138.
- What is Merle Baker's phone number?
- The practice phone number listed in the NPPES registry for Merle Baker is (712) 362-3560.
- Is Merle Baker's NPI active?
- Yes — Merle Baker's NPI (1639210347) is active in the NPPES registry as of the last update on 2008-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.