NPPES file of Aug 9, 2026

Hillary Elizabeth Rachel Lowenstein, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician · Clackamas, OR

Hillary Elizabeth Rachel Lowenstein, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Clackamas, Oregon, and NPI 1356548903, issued on Jun 28, 2007. Check the license (Oregon MD161803, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1356548903
Name
Hillary Elizabeth Rachel Lowenstein
Credential
M.D.
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
MD161803 OR
Self-reported in NPPES; status is on the state search
Practice location
9280 SE Sunnybrook Blvd, Clackamas, OR 97015
Phone
(503) 233-5548
Enumerated
Jun 28, 2007
Record last updated
Mar 18, 2015 (not updated in 11 years: call before relying on the address or phone)
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 9280 SE Sunnybrook Blvd

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

  1. Robert Roberts, D.O.Otolaryngology/Facial Plastic Surgery Physician1649280371

Verify Hillary Elizabeth Rachel Lowenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD161803
    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
Open the Oregon license search

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Sleep Medicine (Psychiatry & Neurology) Physician providers in Oregon

There are 13 sleep medicine (psychiatry & neurology) physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other sleep medicine (psychiatry & neurology) physician records in Oregon

  1. Theresa Buckley, M.D.Portland, OR1831283597
  2. Gregory Clark, M.D.Portland, OR1225141823
  3. Kaanchan Gangal, MDPortland, OR1306041777
  4. Chad Hagen, M.D.Portland, OR1962627265
  5. William Haynal, MDMedford, OR1114218120
  6. Olukayode Ogunrinde, M.DSalem, OR1124213251
  7. Christine Quinto, M.D.La Grande, OR1174667406
  8. Sherrie Rawlins, M.D.Eugene, OR1487846556
  9. Gerald Rich, MDPortland, OR1548360829
  10. Thye Schuyler, MDSalem, OR1104025634

Common questions

What is Hillary Elizabeth Rachel Lowenstein, M.D.'s NPI number?

Hillary Elizabeth Rachel Lowenstein, M.D.'s National Provider Identifier (NPI) is 1356548903, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hillary Elizabeth Rachel Lowenstein, M.D. located?

The NPPES record lists a practice address at 9280 SE Sunnybrook Blvd, Clackamas, OR, 97015. Phone: (503) 233-5548. Providers update this record themselves, so call before visiting.

How can I verify Hillary Elizabeth Rachel Lowenstein, M.D.'s license?

NPPES lists Oregon license number MD161803, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.