Katherine Mayers, NP
Family Nurse Practitioner · Portland, OR
Katherine Mayers, NP is a family nurse practitioner with a practice address in Portland, Oregon, and NPI 1821584889, issued on Jul 2, 2018. Check the license (Oregon 201904558NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Mayers
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 201904558NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 6350 NE Halsey St, Portland, OR 97213
- Phone
- (503) 215-2669
- Enumerated
- Jul 2, 2018
- Record last updated
- Oct 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190715001059); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,384 in Oregon → Look up another NPI →
Also registered at 6350 NE Halsey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Canepa, LCSWClinical Social Worker1225388804
- Rebecca DavisClinical Social Worker1730585191
- Rhonda Fisher, LCSWClinical Social Worker1417312927
- Patricia Fogarty, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1801180260
- Lena Hillenburg, MDHospice and Palliative Medicine (Internal Medicine) Physician1710042502
- Juan Iregui, MDHospice and Palliative Medicine (Internal Medicine) Physician1336191618
Verify Katherine Mayers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 201904558NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Providence Health And Services OregonPortland, OR
- 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).
Katherine Mayers among 2,384 family nurse practitioner records in Oregon
Katherine Mayers, NP 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 2018, is newer than 63% of them.
- NPI issued2018 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2017 among the 1,390 with a school on file
- Record last updated2021 · 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 Katherine Mayers, NP's NPI number?
Katherine Mayers, NP's National Provider Identifier (NPI) is 1821584889, issued on Jul 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mayers, NP located?
The NPPES record lists a practice address at 6350 NE Halsey St, Portland, OR, 97213. Phone: (503) 215-2669. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mayers, NP's license?
NPPES lists Oregon license number 201904558NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
What is Katherine Mayers, NP's MIPS final score?
The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.