NPPES file of Aug 9, 2026

Samuel Oltman, N.D.

Naturopath · Portland, OR

Samuel Oltman, N.D. is a naturopath with a practice address in Portland, Oregon, and NPI 1811368384, issued on Oct 9, 2015. Check the license (Oregon 3009, 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
1811368384
Name
Samuel Oltman
Credential
N.D.
Primary taxonomy
Naturopath 175F00000X
License number
3009 OR
Self-reported in NPPES; status is on the state search
Practice location
6420 S Macadam Ave Ste 208, Portland, OR 97239
Phone
(503) 841-5292
Enumerated
Oct 9, 2015
Record last updated
May 25, 2023
Fax
(971) 358-8095
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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Verify Samuel Oltman 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 3009
    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
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59% fewer Medicare Part D claims than the average naturopath in 2024

45 Medicare Part D claims for 12 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Samuel Oltman45
  2. Specialty average109

Most prescribed

  1. Levothyroxine Sodium11 claims
  2. Liothyronine Sodium11 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.

Samuel Oltman among 1,181 naturopath records in Oregon

Samuel Oltman, 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 2015, is newer than 60% of them.

  • NPI issued2015 · 60% of these records are older, 35% 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).

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.

The 8 naturopath records with the nearest ZIP codes

  1. Gene Bowman, N.D., M.P.H.Portland, OR 972391649308438
  2. Samantha Brody, ND LACPortland, OR 972391104991678
  3. Elaine Gillaspie, N.D.Portland, OR 972391114970019
  4. Teresa Gryder, N.D.Portland, OR 972391982031035
  5. Jeffrey Kiker, N.D., BS, AS, LMTPortland, OR 972391093862112
  6. Katherine Lewis, N.D.Portland, OR 972391295138170
  7. Alison McAllister, NDPortland, OR 972391386729135
  8. Sarah McAllister, N.D.Portland, OR 972391356418776

Common questions

What is Samuel Oltman, N.D.'s NPI number?

Samuel Oltman, N.D.'s National Provider Identifier (NPI) is 1811368384, issued on Oct 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Oltman, N.D. located?

The NPPES record lists a practice address at 6420 S Macadam Ave Ste 208, Portland, OR, 97239. Phone: (503) 841-5292. Providers update this record themselves, so call before visiting.

How can I verify Samuel Oltman, N.D.'s license?

NPPES lists Oregon license number 3009, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Samuel Oltman, N.D. prescribe under Medicare Part D?

In 2024, Samuel Oltman, N.D. had 45 Medicare Part D claims for 12 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.