Barbara Esselink
Internal Medicine Physician · Portland, OR
Barbara Esselink is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1548451479, issued on Aug 6, 2007. Check the license (Oregon MD29358, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Barbara Esselink
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD29358 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1321 NE 99TH Ave, Portland, OR 97220
- Phone
- (503) 215-4050
- Enumerated
- Aug 6, 2007
- Record last updated
- Mar 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 215-4055
- Medicare enrollment
- Enrolled (PECOS I20091106000286); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 1321 NE 99TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amarprit Bains, MDHospitalist Physician1295939395
- John Barton, M.D.Family Medicine Physician1427263151
- James Bartruff, MDInternal Medicine Physician1790793230
Verify Barbara Esselink in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD29358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average internal medicine physician in 2024
6,143 Medicare Part D claims for 415 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 478 claims were for opioids.
Most prescribed
- Atorvastatin Calcium251 claims
- Levothyroxine Sodium234 claims
- Hydrocodone-Acetaminophen191 claims
- Lisinopril182 claims
- Amlodipine Besylate164 claims
- Losartan Potassium140 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
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Esselink among 2,116 internal medicine physician records in Oregon
Barbara Esselink is one of 2,116 internal medicine physician records with a practice address in Oregon. 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2008 among the 1,232 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Soraya Abbassian, M.D.Portland, OR 972201225029184
- Mahnaz Ahmad, M.D.Portland, OR 972201124046727
- Michael Bower, MDPortland, OR 972201700814936
- Kay Gates, MDPortland, OR 972201437194891
- Richard Gicking, MDPortland, OR 972201477524338
- Richard Hsu, MDPortland, OR 972201174552491
- Linda Hungerford, MDPortland, OR 972201902832363
- Jennifer Lin, MDPortland, OR 972201114996485
Common questions
What is Barbara Esselink's NPI number?
Barbara Esselink's National Provider Identifier (NPI) is 1548451479, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Esselink located?
The NPPES record lists a practice address at 1321 NE 99TH Ave, Portland, OR, 97220. Phone: (503) 215-4050. Providers update this record themselves, so call before visiting.
How can I verify Barbara Esselink's license?
NPPES lists Oregon license number MD29358, 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 Barbara Esselink prescribe under Medicare Part D?
In 2024, Barbara Esselink had 6,143 Medicare Part D claims for 415 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.