Klarissa Beller, M.D.
Internal Medicine Physician · Eugene, OR
Klarissa Beller, M.D. is an internal medicine physician with a practice address in Eugene, Oregon, and NPI 1104898956, issued on Feb 6, 2006. Check the license (Oregon MD23800, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Klarissa Beller
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD23800 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Hilyard St Ste 520A, Eugene, OR 97401
- Phone
- (541) 687-6041
- Enumerated
- Feb 6, 2006
- Entity
- Type 1 · individual
Also registered at 1200 Hilyard St Ste 520A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geoffrey Simmons, M.D.Internal Medicine Physician1295703825
Verify Klarissa Beller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD23800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,095 Medicare Part D claims for 169 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Levothyroxine Sodium58 claims
- Furosemide37 claims
- Xarelto37 claims
- Lisinopril36 claims
- Oxycodone Hcl32 claims
- Sertraline Hcl28 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.
One hospital or facility affiliation
- Marcus Daly Memorial Hospital CorporationHamilton, MT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Internal Medicine Physician providers in Oregon
There are 2,511 internal medicine physician records in Oregon.
Other internal medicine physician records in Oregon
- Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
- Soraya Abbassian, M.D.Portland, OR1225029184
- Nicholas Abbott, M.D.Tualatin, OR1124319330
- Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
- Rand AbedalweliPortland, OR1265019996
- Robert Abernathy, M.D.Bend, OR1063433449
- Hazel Jane Abool, M.D.Springfield, OR1346538360
- Mohamed Aboukhashan, MDMedford, OR1932350782
- Allison Abraham, D.O.Portland, OR1831488444
- Mary Abraham, MDCorvallis, OR1073876199
Common questions
What is Klarissa Beller, M.D.'s NPI number?
Klarissa Beller, M.D.'s National Provider Identifier (NPI) is 1104898956, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Klarissa Beller, M.D. located?
The NPPES record lists a practice address at 1200 Hilyard St Ste 520A, Eugene, OR, 97401. Phone: (541) 687-6041. Providers update this record themselves, so call before visiting.
How can I verify Klarissa Beller, M.D.'s license?
NPPES lists Oregon license number MD23800, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Klarissa Beller, M.D. prescribe under Medicare Part D?
In 2024, Klarissa Beller, M.D. had 1,095 Medicare Part D claims for 169 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.