NPPES file of Aug 9, 2026

Lucas Eberhardt De Master, PSY.D.

Clinical Psychologist · Portland, OR

Lucas Eberhardt De Master, PSY.D. is a clinical psychologist with a practice address in Portland, Oregon, and NPI 1356776447, issued on Sep 7, 2013. Check the license (Oregon 2589, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356776447
Name
Lucas Eberhardt De Master
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
2589 OR
Self-reported in NPPES; status is on the state search
Practice location
10201 SE Main St Ste 29, Portland, OR 97216
Phone
(503) 740-1971
Enumerated
Sep 7, 2013
Record last updated
Dec 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 771-2436
Medicare enrollment
Enrolled (PECOS I20251023003417); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10201 SE Main St Ste 29

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

  1. Theresa Buckley, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1831283597
  2. Stephanie Dewes, PA-CPhysician Assistant1033604715
  3. Chad Hagen, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1962627265
  4. Valerie Lanham, LICSWClinical Social Worker1003831801
  5. Chloe Manchester, D.O.Sleep Medicine (Internal Medicine) Physician1154716900
  6. David Merz, MD, PHDInfectious Disease Physician1598725640

Verify Lucas Eberhardt De Master 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 2589
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%74.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Lucas Eberhardt De Master among 1,143 clinical psychologist records in Oregon

Lucas Eberhardt De Master, PSY.D. is one of 1,143 clinical psychologist records with a practice address in Oregon. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 29% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated2014 · median 2008 among the 287 with a school on file
  • Record last updated2017 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

508 clinical psychologist records list a practice address in Portland

They are 508 of the 42,088 NPPES records with a practice address in Portland, and 1,143 clinical psychologist records in Oregon.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Abby Everaerts, PSYD, M.S.Portland, OR 972161821349556
  2. Eric Mueller, PH.D.Portland, OR 972161386644755
  3. Michael Atkinson, PSY.D.Portland, OR 972151417082314
  4. Vanessa Casillas, PSY.D.Portland, OR 972171235432287
  5. Amber Choruby Whiteley, PHDPortland, OR 972171952284713
  6. Camille Curry, PSY.D.Portland, OR 972151568719482
  7. Jane Heiy, PH.D.Portland, OR 972171033527973
  8. Hannah Hoeflich, PSY.D.Portland, OR 972171336457969

Common questions

What is Lucas Eberhardt De Master, PSY.D.'s NPI number?

Lucas Eberhardt De Master, PSY.D.'s National Provider Identifier (NPI) is 1356776447, issued on Sep 7, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Lucas Eberhardt De Master, PSY.D. located?

The NPPES record lists a practice address at 10201 SE Main St Ste 29, Portland, OR, 97216. Phone: (503) 740-1971. Providers update this record themselves, so call before visiting.

How can I verify Lucas Eberhardt De Master, PSY.D.'s license?

NPPES lists Oregon license number 2589, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

What is Lucas Eberhardt De Master, PSY.D.'s MIPS final score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.