Christine Eshak, OD
Optometrist · Merrillville, IN
Christine Eshak, OD is an optometrist with a practice address in Merrillville, Indiana, and NPI 1356969224, issued on Jul 8, 2020. Check the license (Indiana 18004231A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christine Eshak
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 18004231A IN
OPC6184 FL
Self-reported in NPPES; status is on the state search - Practice location
- 70 E 68TH PL, Merrillville, IN 46410
- Phone
- (219) 736-2020
- Enumerated
- Jul 8, 2020
- Record last updated
- Apr 3, 2026
- Fax
- (219) 769-3884
- Medicare enrollment
- Enrolled (PECOS I20240924002477); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2020
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,578 in Indiana → Look up another NPI →
Also registered at 70 E 68TH PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francia Baez, ODOptometrist1750121430
- Virginia Bonilla, O.D.Optometrist1891038063
- Sara Cubenas, O.D.Optometrist1902004989
- Angela Fauth, ODOptometrist1306302831
- Alyssa Grkinich, ODOptometrist1396227575
- Jennifer Kohn, O.D.Optometrist1457512782
Verify Christine Eshak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18004231ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $131.84
5 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Eye Doctors Optical Outlets PATampa, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Eshak among 1,578 optometrist records in Indiana
Christine Eshak, OD is one of 1,578 optometrist records with a practice address in Indiana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2008 among the 1,014 with a school on file
- Record last updated2026 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 optometrist records list a practice address in Merrillville
They are 30 of the 1,972 NPPES records with a practice address in Merrillville, and 1,578 optometrist records in Indiana.
All 1,578 in Indiana → Every provider in Merrillville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Mark Allmaras, O.D.Merrillville, IN 464101609842558
- Miklos Balogh, O.D.Merrillville, IN 464101245300060
- Alison Byrne, O.D.Merrillville, IN 464101275650608
- Sara Cubenas, O.D.Merrillville, IN 464101902004989
- Dennis Jahovic, O.D.Merrillville, IN 464101184731812
- Michael Kelley, O.D.Merrillville, IN 464101558324368
- Timothy McGillen, O.D.Merrillville, IN 464101285769133
- Robert Moses, O.D.Merrillville, IN 464101417938010
Common questions
What is Christine Eshak, OD's NPI number?
Christine Eshak, OD's National Provider Identifier (NPI) is 1356969224, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Christine Eshak, OD located?
The NPPES record lists a practice address at 70 E 68TH PL, Merrillville, IN, 46410. Phone: (219) 736-2020. Providers update this record themselves, so call before visiting.
How can I verify Christine Eshak, OD's license?
NPPES lists Indiana license number 18004231A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.