Andrew Chang, DO
Family Medicine Physician · Portland, OR
Andrew Chang, DO is a family medicine physician with a practice address in Portland, Oregon, and NPI 1518451970, issued on Jun 19, 2018. Check the license (Oregon DO207327, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Chang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO207327 OR
Self-reported in NPPES; status is on the state search - Practice location
- 415 N Killingsworth St Ste 103, Portland, OR 97217
- Phone
- (971) 299-7548
- Enumerated
- Jun 19, 2018
- Record last updated
- Mar 3, 2025
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Verify Andrew Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO207327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
52 Medicare Part D claims for 26 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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.
Industry payments in 2024: $23.65
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Chang among 2,847 family medicine physician records in Oregon
Andrew Chang, DO is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Breeze, MDPortland, OR 972171083655609
- Simon Chan, DOPortland, OR 972171841242195
- Diego Diaz, MDPortland, OR 972171407019532
- Shauna Ensminger, MDPortland, OR 972171619960002
- Gregory Freed, M.D.Portland, OR 972171346433042
- Monique Gedenk, MDPortland, OR 972171740226745
- Janel Guyette, M.D.Portland, OR 972171205990660
- Mary Frances Lowdermilk, M.D.Portland, OR 972171245453315
Common questions
What is Andrew Chang, DO's NPI number?
Andrew Chang, DO's National Provider Identifier (NPI) is 1518451970, issued on Jun 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Chang, DO located?
The NPPES record lists a practice address at 415 N Killingsworth St Ste 103, Portland, OR, 97217. Phone: (971) 299-7548. Providers update this record themselves, so call before visiting.
How can I verify Andrew Chang, DO's license?
NPPES lists Oregon license number DO207327, 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.
How much does Andrew Chang, DO prescribe under Medicare Part D?
In 2024, Andrew Chang, DO had 52 Medicare Part D claims for 26 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.