Marnie Loomis, N.D.
Naturopath · Portland, OR
Marnie Loomis, N.D. is a naturopath with a practice address in Portland, Oregon, and NPI 1760529564, issued on Jan 31, 2007. Check the license (Oregon 1100, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marnie Loomis
- Credential
- N.D.
- Primary taxonomy
- Naturopath 175F00000X
- License number
- 1100 OR
Self-reported in NPPES; status is on the state search - Practice location
- 111 SW Columbia St Ste 100, Portland, OR 97201
- Phone
- (503) 222-0551
- Enumerated
- Jan 31, 2007
- Record last updated
- Sep 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (503) 224-9619
- Entity
- Type 1 · individual
8 nearest naturopath records → All 1,181 in Oregon → Look up another NPI →
Verify Marnie Loomis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 1100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average naturopath in 2024
15 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.
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.
Marnie Loomis among 1,181 naturopath records in Oregon
Marnie Loomis, N.D. 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 2007, is newer than 11% of them.
- NPI issued2007 · 11% of these records are older, 74% 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 updated2019 · 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
- Caroline Baldwin-Sayre, N.D.Portland, OR 972011609815273
- Kelly Baltazar, N.D., D.C.Portland, OR 972011669670550
- Richard Barrett, NDPortland, OR 972011245368190
- Audrey Bergsma, N.D.Portland, OR 972011114066271
- Regina Dehen, ND, LACPortland, OR 972011023231222
- Mary Fry, N.D.Portland, OR 972011538284526
- Dohn Kruschwitz, MD, NDPortland, OR 972011972647428
- Marianne Marchese, N.D.Portland, OR 972011083826697
Common questions
What is Marnie Loomis, N.D.'s NPI number?
Marnie Loomis, N.D.'s National Provider Identifier (NPI) is 1760529564, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marnie Loomis, N.D. located?
The NPPES record lists a practice address at 111 SW Columbia St Ste 100, Portland, OR, 97201. Phone: (503) 222-0551. Providers update this record themselves, so call before visiting.
How can I verify Marnie Loomis, N.D.'s license?
NPPES lists Oregon license number 1100, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Marnie Loomis, N.D. prescribe under Medicare Part D?
In 2024, Marnie Loomis, N.D. had 15 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.