Jennifer L. Darnell
Addiction Medicine (Psychiatry & Neurology) Physician · Portland, OR
Jennifer L. Darnell is an addiction medicine (psychiatry & neurology) physician with a practice address in Portland, Oregon, and NPI 1407381254, issued on Apr 28, 2017. Check the license (Oregon DO214808, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer L. Darnell
- Primary taxonomy
- Addiction Medicine (Psychiatry & Neurology) Physician 2084A0401X
- License number
- DO214808 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1225 NE 2ND Ave, Portland, OR 97232
- Phone
- (503) 944-8000
- Enumerated
- Apr 28, 2017
- Record last updated
- Jan 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20230907000773); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1225 NE 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachariah Adham, MDPsychiatry Physician1588290431
- Jonathan Allen, MDPsychiatry Physician1215557830
- Laura Barket, DOPsychiatry Physician1659614469
- Jeanne BereiterChild & Adolescent Psychiatry Physician1124033675
- Franklin Black, MDOtology & Neurotology Physician1700916509
- Natalie Campen, MDPsychiatry Physician1588135263
Verify Jennifer L. Darnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO214808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average addiction medicine (psychiatry & neurology) physician in 2024
40 Medicare Part D claims, against an average of 870 among the 264 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Legacy Emanuel Hospital And Health CenterPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Addiction Medicine (Psychiatry & Neurology) Physician providers in Oregon
There are 6 addiction medicine (psychiatry & neurology) physician records in Oregon.
Other addiction medicine (psychiatry & neurology) physician records in Oregon
- Eve Klein, M.D.Portland, OR1982846234
- Joshua Leibovitz, MDPortland, OR1912929910
- Wendy Linker, M.D.Lake Oswego, OR1437388261
- Michael Resnick, MDPortland, OR1467545996
- Marvin Seppala, M.D.Newberg, OR1548329055
Common questions
What is Jennifer L. Darnell's NPI number?
Jennifer L. Darnell's National Provider Identifier (NPI) is 1407381254, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer L. Darnell located?
The NPPES record lists a practice address at 1225 NE 2ND Ave, Portland, OR, 97232. Phone: (503) 944-8000. Providers update this record themselves, so call before visiting.
How can I verify Jennifer L. Darnell's license?
NPPES lists Oregon license number DO214808, 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 Jennifer L. Darnell prescribe under Medicare Part D?
In 2024, Jennifer L. Darnell had 40 Medicare Part D claims; the average among addiction medicine (psychiatry & neurology) physician prescribers was 870. 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.