Joanna Koerper May, ND
Naturopath · Portland, OR
Joanna Koerper May, ND is a naturopath with a practice address in Portland, Oregon, and NPI 1679825962, issued on Oct 10, 2012. Check the license (Oregon 1922, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Koerper May
- Credential
- ND
- Primary taxonomy
- Naturopath 175F00000X
- License number
- 1922 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2100 NE Broadway St Ste 225, Portland, OR 97232
- Phone
- (503) 719-5000
- Enumerated
- Oct 10, 2012
- Record last updated
- Feb 6, 2024
- Fax
- (971) 255-1754
- Medicaid ID
- 500675634 OR
- Entity
- Type 1 · individual
8 nearest naturopath records → All 1,181 in Oregon → Look up another NPI →
Also registered at 2100 NE Broadway St Ste 225
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanna Koerper May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 1922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average naturopath in 2024
190 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Bupropion Xl16 claims
- Gabapentin15 claims
- Alprazolam14 claims
- Chlordiazepoxide Hcl12 claims
- Dextroamphetamine-Amphet Er11 claims
- Ondansetron Odt11 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.
Joanna Koerper May among 1,181 naturopath records in Oregon
Joanna Koerper May, ND is one of 1,181 naturopath records with a practice address in Oregon. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 47% of them.
- NPI issued2012 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
687 naturopath records list a practice address in Portland
They are 687 of the 42,088 NPPES records with a practice address in Portland, and 1,181 naturopath records in Oregon.
All 1,181 in Oregon → Every provider in Portland → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Susan Allen, MDPortland, OR 972321639230014
- Holly Beckwith, N.D.Portland, OR 972321447301403
- Andrew Bonner, NDPortland, OR 972321841441201
- Elizabeth Collins, ND, LMPortland, OR 972321982685806
- John Collins, N.D.Portland, OR 972321568660843
- Sherylyn Estlund, NDPortland, OR 972321639112782
- Lindsay Fontenot, N.D., L.ACPortland, OR 972321083749709
- Mary Grabowska, ND, LM, LACPortland, OR 972321578597829
Common questions
What is Joanna Koerper May, ND's NPI number?
Joanna Koerper May, ND's National Provider Identifier (NPI) is 1679825962, issued on Oct 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Koerper May, ND located?
The NPPES record lists a practice address at 2100 NE Broadway St Ste 225, Portland, OR, 97232. Phone: (503) 719-5000. Providers update this record themselves, so call before visiting.
How can I verify Joanna Koerper May, ND's license?
NPPES lists Oregon license number 1922, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Joanna Koerper May, ND prescribe under Medicare Part D?
In 2024, Joanna Koerper May, ND had 190 Medicare Part D claims; the average among naturopath prescribers was 109. 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.