DR. ELIOT G MASEK O.D.
NPI 1134432149
Optometrist in Farmington, MO
About Dr. Eliot G Masek O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIOT G MASEK O.D. (NPI 1134432149) is an individual optometrist in Farmington, Missouri, licensed in Missouri (2011037694) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri St Louis - School Of Optometry (2010).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Eliot G Masek O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Eliot Masek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valley Park, MO 63088
- Reassigned Medicare billing, Missouri enrollment
- 124 clinicians in this Medicare group
Columbia, MO 65201
- Reassigned Medicare billing, Missouri enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63640 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Eliot Masek's NPI number?
The NPI number for Eliot Masek is 1134432149. It was assigned to this individual provider in the NPPES registry on July 19, 2010.
Where is Eliot Masek located?
Eliot Masek practices at 537 W Karsch Blvd, Farmington, MO 63640. The listed phone number is (573) 747-4133.
What is Eliot Masek's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Eliot Masek enrolled in Medicare?
Yes. Eliot Masek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Eliot Masek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eliot Masek reassigns Medicare benefits to 2 organizations: Clarkson Optometry Inc (Valley Park, MO) and Columbia Eye Consultants Optometry (Columbia, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eliot Masek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eliot Masek accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Oscar Health and 7 other insurers list Eliot Masek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Eliot Masek was last updated on October 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Eliot G Masek, O.D. · NPI 1134432149
Optometrist provider in Farmington, Missouri. Individual provider, active in the CMS NPPES registry since July 19, 2010.
## Identity
- **NPI:** 1134432149 (Entity type: Individual)
- **Enumerated:** July 19, 2010
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 2011037694 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 537 W KARSCH BLVD, Farmington, MO 63640-3312
- **Phone:** (573) 747-4133 · **Fax:** (573) 747-4533
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Clarkson Optometry Inc (NPI 1518895945, Valley Park, MO); Columbia Eye Consultants Optometry (NPI 1346396033, Columbia, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri St Louis - School Of Optometry, class of 2010
## Record status
- **NPPES last updated:** October 2, 2014
- **Other identifiers:** Medicare PIN 502720031 (IL); Medicaid 046010396 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1134432149) · Data from the CMS NPPES public registry.