Christine Eshak, OD
NPI 1356969224 · Optometrist · Merrillville, IN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Eshak, OD is a Optometrist provider in Merrillville, IN (NPI 1356969224).
Provider details
- NPI number
- 1356969224
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 18004231A (IN)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 18915 State Road 54Lutz, FL 33558-5268Phone: (813) 909-0554Fax: (813) 909-1557
Registry dates
- Enumerated
- 2020-07-08
- Last updated
- 2026-04-03
- Certified
- 2026-04-03
Frequently asked questions
- What is Christine Eshak's NPI number?
- Christine Eshak's National Provider Identifier (NPI) is 1356969224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Eshak's specialty?
- Christine Eshak is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Christine Eshak located?
- Christine Eshak's practice location on file with NPPES is 70 E 68th Pl, Merrillville, IN 46410-3506.
- What is Christine Eshak's phone number?
- The practice phone number listed in the NPPES registry for Christine Eshak is (219) 736-2020.
- Does Christine Eshak accept Medicare?
- Christine Eshak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Eshak's NPI active?
- Yes — Christine Eshak's NPI (1356969224) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.