NPPES file of Aug 9, 2026

Loris Hwang Spencer, M. D.

Pediatric Adolescent Medicine Physician · Portland, OR

Loris Hwang Spencer, M. D. is a pediatric adolescent medicine physician with a practice address in Portland, Oregon, and NPI 1851579981, issued on Jan 31, 2008. Check the license (Oregon MD221474, 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
1851579981
Name
Loris Hwang Spencer
Credential
M. D.
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License numbers
MD221474 OR
A60237 CA
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 418-5700
Enumerated
Jan 31, 2008
Record last updated
Sep 9, 2024
Fax
(503) 418-5704
Medicaid ID
8209710 WA
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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8 nearest pediatric adolescent medicine physician records → All 17 in Oregon → Look up another NPI →

Also registered at 3181 SW Sam Jackson Park RD

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

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Loris Hwang Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD221474    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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Loris Hwang Spencer among 17 pediatric adolescent medicine physician records in Oregon

Loris Hwang Spencer, M. D. is one of 17 pediatric adolescent medicine physician records with a practice address in Oregon. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 71% of them.

  • NPI issued2008 · 71% of these records are older, 18% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2024 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Adolescent Medicine Physician providers in Oregon

There are 17 pediatric adolescent medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17 in Oregon → Every provider in Portland → Pediatric Adolescent Medicine Physician nationwide →

The 8 pediatric adolescent medicine physician records with the nearest ZIP codes

  1. Hannah Canter, MDPortland, OR 972391538696786
  2. Megan Jacobs, M.D.Portland, OR 972391467795369
  3. May Lau, MDPortland, OR 972391881708915
  4. Clifford Sells, MDPortland, OR 972391669488268
  5. Julie O'Toole, M.D.Portland, OR 972271780760785
  6. Geraldine Kempler, M.D.Portland, OR 972251922036292
  7. Barbara Long, MD MPHPortland, OR 972091639100902
  8. Philip Miller, M.D.Hillsboro, OR 971241306873591

Common questions

What is Loris Hwang Spencer, M. D.'s NPI number?

Loris Hwang Spencer, M. D.'s National Provider Identifier (NPI) is 1851579981, issued on Jan 31, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Loris Hwang Spencer, M. D. located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 418-5700. Providers update this record themselves, so call before visiting.

How can I verify Loris Hwang Spencer, M. D.'s license?

NPPES lists Oregon license number MD221474, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.