NPPES file of Aug 9, 2026

Christopher Chang, M.D.

Critical Care Medicine (Internal Medicine) Physician · Portland, OR

Christopher Chang, M.D. is a critical care medicine (internal medicine) physician with a practice address in Portland, Oregon, and NPI 1174941298, issued on Apr 4, 2014. Check the license (Oregon MD188733, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1174941298
Name
Christopher Chang
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
MD188733 OR
A137820 CA
T3931 TX
Self-reported in NPPES; status is on the state search
Practice location
3710 SW US Veterans Hospital RD, Portland, OR 97239
Phone
(503) 220-8262
Enumerated
Apr 4, 2014
Record last updated
Dec 20, 2024
Medicare enrollment
Enrolled (PECOS I20241124000089); accepts Medicare assignment
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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8 nearest critical care medicine (internal medicine) physician records → All 75 in Oregon → Look up another NPI →

Also registered at 3710 SW US Veterans Hospital RD

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

  1. Wendy AbramClinical Social Worker1386254597
  2. Kayleen AdamsLicensed Vocational Nurse1548905565
  3. Zeenat Ahmed, M.DAnesthesiology Physician1679687974
  4. Alan Albright, PA-CPhysician Assistant1669578845
  5. Lakshi Aldredge, NPAdult Health Nurse Practitioner1003920109
  6. Claude Aldridge (jr.), LMSW#Clinical Social Worker1528176328

Verify Christopher Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD188733    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

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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Bills Medicare through one group practice

  1. Good Samaritan Hospital CorvallisCorvallis, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Chang among 75 critical care medicine (internal medicine) physician records in Oregon

Christopher Chang, M.D. is one of 75 critical care medicine (internal medicine) physician records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 23% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2014 · median 2009 among the 58 with a school on file
  • Record last updated2024 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Oregon

There are 75 critical care medicine (internal medicine) physician records in Oregon.

All 75 in Oregon → Every provider in Portland → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Jeffrey Gold, MDPortland, OR 972391427145473
  2. Aluko HopePortland, OR 972391982862876
  3. Catherine HoughPortland, OR 972391952481921
  4. Miranda Merrill, M.D.Portland, OR 972391073946851
  5. Srini Mukundan, M.D.Portland, OR 972391033476650
  6. Dane Nichols, MDPortland, OR 972391801993621
  7. Matthew Noland, M.D.Portland, OR 972391770872426
  8. Molly Osborne, MDPortland, OR 972391356448120

Common questions

What is Christopher Chang, M.D.'s NPI number?

Christopher Chang, M.D.'s National Provider Identifier (NPI) is 1174941298, issued on Apr 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Chang, M.D. located?

The NPPES record lists a practice address at 3710 SW US Veterans Hospital RD, Portland, OR, 97239. Phone: (503) 220-8262. Providers update this record themselves, so call before visiting.

How can I verify Christopher Chang, M.D.'s license?

NPPES lists Oregon license number MD188733, 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. Medicare files from data.cms.gov. 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.