Brock Karben, O.D.
Optometrist · Bend, OR
Brock Karben, O.D. is an optometrist with a practice address in Bend, Oregon, and NPI 1881841781, issued on Aug 21, 2008. Check the license (Oregon 3288ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brock Karben
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3288ATI OR
Self-reported in NPPES; status is on the state search - Practice location
- 901 NW Carlon Ave, Bend, OR 97703
- Phone
- (541) 382-3242
- Enumerated
- Aug 21, 2008
- Record last updated
- Jan 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 500606159 OR
- Medicare enrollment
- Enrolled (PECOS I20090226000094); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2008
- Entity
- Type 1 · individual
8 nearest optometrist records → All 944 in Oregon → Look up another NPI →
Also registered at 901 NW Carlon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel Elcik, DMDDentist1710449277
- Daniela Minnis, ODOptometrist1962787010
- Stephanie RettenmeierOptometrist1295197226
- Carl Ryan, O.D.Optometrist1154435162
- Katherine Stahrr, DDSGeneral Practice Dentistry1215355359
Verify Brock Karben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 3288ATICheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average optometrist in 2024
115 Medicare Part D claims for 39 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Rocklatan15 claims
- Cyclosporine14 claims
- Miebo14 claims
- Dorzolamide-Timolol12 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: $95.68
3 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.
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
- Lifetime Vision Care LLCBend, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brock Karben among 944 optometrist records in Oregon
Brock Karben, O.D. is one of 944 optometrist records with a practice address in Oregon. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2010 among the 552 with a school on file
- Record last updated2017 · 65% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Oregon
There are 944 optometrist records in Oregon.
All 944 in Oregon → Every provider in Bend → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Erin Follen, O.D.Bend, OR 977031255683595
- Ronald Guiley, O.D., M.P.H.Bend, OR 977031619913944
- Eric Hinds, ODBend, OR 977031093160269
- Wenshan Liu, ODBend, OR 977031295162642
- Daniela Minnis, ODBend, OR 977031962787010
- Stephanie RettenmeierBend, OR 977031295197226
- Megan Riha, ODBend, OR 977031043940273
- Carl Ryan, O.D.Bend, OR 977031154435162
Common questions
What is Brock Karben, O.D.'s NPI number?
Brock Karben, O.D.'s National Provider Identifier (NPI) is 1881841781, issued on Aug 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Brock Karben, O.D. located?
The NPPES record lists a practice address at 901 NW Carlon Ave, Bend, OR, 97703. Phone: (541) 382-3242. Providers update this record themselves, so call before visiting.
How can I verify Brock Karben, O.D.'s license?
NPPES lists Oregon license number 3288ATI, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Brock Karben, O.D. prescribe under Medicare Part D?
In 2024, Brock Karben, O.D. had 115 Medicare Part D claims for 39 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.