DR. EDWARD OMER OBERMARK O.D.
NPI 1720019375
Optometrist in Washington, MO
About Dr. Edward Omer Obermark O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EDWARD OMER OBERMARK O.D. (NPI 1720019375) is an individual optometrist in Washington, Missouri, licensed in Missouri (T03188) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri St Louis - School Of Optometry (1992).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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. Edward Omer Obermark 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 Reassignment
Medicare enrollment records show Edward Obermark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
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 6
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 63090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Edward Obermark's NPI number?
The NPI number for Edward Obermark is 1720019375. It was assigned to this individual provider in the NPPES registry on July 5, 2006. The provider is also known as Dr. Edward Omer Obermark O.D..
Where is Edward Obermark located?
Edward Obermark practices at 222 W Main St, Washington, MO 63090. The listed phone number is (636) 239-7144.
What is Edward Obermark's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Edward Obermark enrolled in Medicare?
Yes. Edward Obermark 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 organization bills Medicare for Edward Obermark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edward Obermark reassigns Medicare benefits to Obermark Optometry, Inc (Washington, MO). The 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 Edward Obermark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Edward Obermark accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 15 other insurers list Edward Obermark 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 Edward Obermark was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Edward Omer Obermark, O.D. · NPI 1720019375
Optometrist provider in Washington, Missouri. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1720019375 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** T03188 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 222 W MAIN ST, Washington, MO 63090-2123
- **Phone:** (636) 239-7144 · **Fax:** (636) 239-6266
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Obermark Optometry, Inc (NPI 1275710014, Washington, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri St Louis - School Of Optometry, class of 1992
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN U51729 (MO); Medicaid 317927903 (MO); Medicare ID-Type Unspecified 000008961 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1720019375) · Data from the CMS NPPES public registry.