NPPES file of Aug 9, 2026

Thomas A. Messinger, N.D.

Naturopath · Ashland, OR

Thomas A. Messinger, N.D. is a naturopath with a practice address in Ashland, Oregon, and NPI 1780993584, issued on Sep 28, 2010. Check the license (Oregon 1754, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780993584
Name
Thomas A. Messinger
Credential
N.D.
Primary taxonomy
Naturopath 175F00000X
License number
1754 OR
Self-reported in NPPES; status is on the state search
Practice location
635 Lit Way, Ashland, OR 97520
Phone
(541) 482-2267
Enumerated
Sep 28, 2010
Record last updated
Jan 10, 2023
Fax
(833) 551-4826
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 635 Lit Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Marinelli, LMTMassage Therapist1093172322
  2. Martha McCord, MFTMarriage & Family Therapist1649605940
  3. Leslie Nedrow Moyer, LACAcupuncturist1750671418

Verify Thomas A. Messinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 1754
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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23% more Medicare Part D claims than the average naturopath in 2024

134 Medicare Part D claims for 18 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Thomas Messinger134
  2. Specialty average109

Most prescribed

  1. Armour Thyroid19 claims
  2. Liothyronine Sodium17 claims
  3. Nystatin14 claims
  4. Progesterone13 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.

Thomas A. Messinger among 1,181 naturopath records in Oregon

Thomas A. Messinger, 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 2010, is newer than 38% of them.

  • NPI issued2010 · 38% of these records are older, 57% 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 updated2023 · 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).

15 naturopath records list a practice address in Ashland

They are 15 of the 949 NPPES records with a practice address in Ashland, and 1,181 naturopath records in Oregon.

The 8 naturopath records with the nearest ZIP codes

  1. Valeria Breiten, ND, RD, CCHAshland, OR 975201760507016
  2. J Chlebowski, N.D., D.C.Ashland, OR 975201902005770
  3. Aisling Crowe, NDAshland, OR 975201346544731
  4. Amanda Hochman, NDAshland, OR 975201184909921
  5. John Houghton, N.D.Ashland, OR 975201548481435
  6. Michael Hummel, NDAshland, OR 975201891165627
  7. Ian Luepker, NDAshland, OR 975201669605556
  8. Ajana Miki, N.D., L.AC.Ashland, OR 975201235365552

Common questions

What is Thomas A. Messinger, N.D.'s NPI number?

Thomas A. Messinger, N.D.'s National Provider Identifier (NPI) is 1780993584, issued on Sep 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Thomas A. Messinger, N.D. located?

The NPPES record lists a practice address at 635 Lit Way, Ashland, OR, 97520. Phone: (541) 482-2267. Providers update this record themselves, so call before visiting.

How can I verify Thomas A. Messinger, N.D.'s license?

NPPES lists Oregon license number 1754, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas A. Messinger, N.D. prescribe under Medicare Part D?

In 2024, Thomas A. Messinger, N.D. had 134 Medicare Part D claims for 18 beneficiaries; 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.