NPPES file of Aug 9, 2026

Edward Omer Obermark, O.D.

Optometrist · Washington, MO

Edward Omer Obermark, O.D. is an optometrist with a practice address in Washington, Missouri, and NPI 1720019375, issued on Jul 5, 2006. Check the license (Missouri T03188, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720019375
Name
Edward Omer Obermark
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
T03188 MO
Self-reported in NPPES; status is on the state search
Practice location
222 W Main St, Washington, MO 63090
Phone
(636) 239-7144
Enumerated
Jul 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(636) 239-6266
Medicaid ID
317927903 MO
Medicare enrollment
Enrolled (PECOS I20110307000766); accepts Medicare assignment
Medical or professional school
University Of Missouri St Louis - School Of Optometry, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Edward Omer Obermark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license T03188
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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30% fewer Medicare Part D claims than the average optometrist in 2024

195 Medicare Part D claims for 54 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Edward Obermark195
  2. Specialty average277

Most prescribed

  1. Latanoprost100 claims
  2. Levobunolol Hcl13 claims
  3. Tobramycin-Dexamethasone12 claims
  4. Combigan11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $209.29

2 payments; by number, the most common kind was food and beverage; the largest payer was Lkc Technologies, Inc. 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.

  1. Edward Obermark$209.29
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Edward Omer Obermark among 1,242 optometrist records in Missouri

Edward Omer Obermark, O.D. is one of 1,242 optometrist records with a practice address in Missouri. 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1992 · median 2007 among the 768 with a school on file
  • Record last updated2007 · 67% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 optometrist records list a practice address in Washington

They are 7 of the 533 NPPES records with a practice address in Washington, and 1,242 optometrist records in Missouri.

The 8 optometrist records with the nearest ZIP codes

  1. Kevin Biermann, O.D.Washington, MO 630901851520175
  2. Amanda Bissell, O.D.Washington, MO 630901336145481
  3. Christopher Eisenbeis, ODWashington, MO 630901063289916
  4. Peter Gubany, O.D.Washington, MO 630901114061389
  5. Alexander McClure, ODWashington, MO 630901477083772
  6. Brian Sumner, OD.Washington, MO 630901588667992
  7. Stephen Haring, O.D.Manchester, MO 630881164575395
  8. John Crane, ODUnion, MO 630841144337437

Common questions

What is Edward Omer Obermark, O.D.'s NPI number?

Edward Omer Obermark, O.D.'s National Provider Identifier (NPI) is 1720019375, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edward Omer Obermark, O.D. located?

The NPPES record lists a practice address at 222 W Main St, Washington, MO, 63090. Phone: (636) 239-7144. Providers update this record themselves, so call before visiting.

How can I verify Edward Omer Obermark, O.D.'s license?

NPPES lists Missouri license number T03188, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Edward Omer Obermark, O.D. prescribe under Medicare Part D?

In 2024, Edward Omer Obermark, O.D. had 195 Medicare Part D claims for 54 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.