Melissa Margaret Trimberger, FNP-BC
Family Nurse Practitioner · Portland, OR
Melissa Margaret Trimberger, FNP-BC is a family nurse practitioner with a practice address in Portland, Oregon, and NPI 1851082945, issued on May 18, 2023. Check the license (Oregon 10008125, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Margaret Trimberger
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 10008125 OR
Self-reported in NPPES; status is on the state search - Practice location
- 315 NE 62ND Ave, Portland, OR 97213
- Phone
- (585) 755-4375
- Enumerated
- May 18, 2023
- Record last updated
- May 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20250206003280); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,384 in Oregon → Look up another NPI →
Verify Melissa Margaret Trimberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 10008125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family nurse practitioner in 2024
327 Medicare Part D claims for 204 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 27 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa26 claims
- Prednisone17 claims
- Alvesco16 claims
- Cefadroxil14 claims
- Gabapentin14 claims
- Oxycodone Hcl13 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
- Kaiser Foundation Health Plan OF The NorthwestVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Margaret Trimberger among 2,384 family nurse practitioner records in Oregon
Melissa Margaret Trimberger, FNP-BC is one of 2,384 family nurse practitioner 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 2023, is newer than 87% of them.
- NPI issued2023 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
591 family nurse practitioner records list a practice address in Portland
They are 591 of the 42,088 NPPES records with a practice address in Portland, and 2,384 family nurse practitioner records in Oregon.
All 2,384 in Oregon → Every provider in Portland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Liana Corliss, N.P.Portland, OR 972131952376451
- Lyn Dobrunick, FNPPortland, OR 972131013909142
- Melissa Federspiel, FNPPortland, OR 972131881676641
- Dennis Grey, F.N.P.Portland, OR 972131851303291
- Roxanne Griswold, FNPPortland, OR 972131205828936
- Caryl Kenworth, M.S.N., F.N.P.Portland, OR 972131396757662
- Melissa Kilian, FNPPortland, OR 972131821054024
- Daniel Leone, NP-CPortland, OR 972131962559112
Common questions
What is Melissa Margaret Trimberger, FNP-BC's NPI number?
Melissa Margaret Trimberger, FNP-BC's National Provider Identifier (NPI) is 1851082945, issued on May 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Margaret Trimberger, FNP-BC located?
The NPPES record lists a practice address at 315 NE 62ND Ave, Portland, OR, 97213. Phone: (585) 755-4375. Providers update this record themselves, so call before visiting.
How can I verify Melissa Margaret Trimberger, FNP-BC's license?
NPPES lists Oregon license number 10008125, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Margaret Trimberger, FNP-BC prescribe under Medicare Part D?
In 2024, Melissa Margaret Trimberger, FNP-BC had 327 Medicare Part D claims for 204 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.