Caitlin Karplus, DO
General Practice Physician · Newberg, OR
Caitlin Karplus, DO is a general practice physician with a practice address in Newberg, Oregon, and NPI 1376884379, issued on Mar 15, 2013. Check the license (Oregon DO184519, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Caitlin Karplus
- Credential
- DO
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- DO184519 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2251 E Hancock St Ste 103, Newberg, OR 97132
- Phone
- (971) 281-3000
- Enumerated
- Mar 15, 2013
- Record last updated
- Sep 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (503) 357-4371
- Medicare enrollment
- Enrolled (PECOS I20171117001998); accepts Medicare assignment
- Medical or professional school
- At Still University, Arizona School Of Dentistry & Oral Hlth, 2014
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 95 in Oregon → Look up another NPI →
Also registered at 2251 E Hancock St Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha George, MD, DIPABLMFamily Medicine Physician1558949115
- Ashley Lafontaine, PCAMental Health Counselor1972235729
- Natalia Perry, PA-CFamily Medicine Physician1437957818
- Graham Starr, PA-CPhysician Assistant1063248979
- Katie Steele, CLINICAL PHARMACISTPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1992158976
- Ali Wadas, DMDDentist1760216089
Verify Caitlin Karplus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO184519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average general practice physician in 2024
3,645 Medicare Part D claims for 198 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 174 claims were for opioids.
Most prescribed
- Atorvastatin Calcium221 claims
- Lisinopril114 claims
- Omeprazole100 claims
- Albuterol Sulfate Hfa90 claims
- Hydrocodone-Acetaminophen84 claims
- Furosemide82 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.
Bills Medicare through one group practice
- Virginia Garcia Memorial Health CenterMcMinnville, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Karplus among 95 general practice physician records in Oregon
Caitlin Karplus, DO is one of 95 general practice physician records with a practice address in Oregon. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2014 · median 1993 among the 20 with a school on file
- Record last updated2017 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Oregon
There are 95 general practice physician records in Oregon.
All 95 in Oregon → Every provider in Newberg → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- James Matthews, M.D.Newberg, OR 971321437177839
- Andrew Miller, MDHillsboro, OR 971231861421117
- Paul Park, MDHillsboro, OR 971231174685796
- Jeffrey Luty, MDWheeler, OR 971471558442335
- Charles Linehan, M.D.Astoria, OR 971031356395412
- Mark Hosko, MDGresham, OR 970801043233570
- Charles Wong, MDGresham, OR 970801659394187
- Virgil Peters, MDWoodburn, OR 970711548482326
Common questions
What is Caitlin Karplus, DO's NPI number?
Caitlin Karplus, DO's National Provider Identifier (NPI) is 1376884379, issued on Mar 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Karplus, DO located?
The NPPES record lists a practice address at 2251 E Hancock St Ste 103, Newberg, OR, 97132. Phone: (971) 281-3000. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Karplus, DO's license?
NPPES lists Oregon license number DO184519, 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 Caitlin Karplus, DO prescribe under Medicare Part D?
In 2024, Caitlin Karplus, DO had 3,645 Medicare Part D claims for 198 beneficiaries; the average among general practice physician prescribers was 3,030. 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.