Michael Chew, MD, MS
Internal Medicine Physician · Portland, OR
Michael Chew, MD, MS is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1487912697, issued on Apr 25, 2012. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Chew
- Credential
- MD, MS
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 9701 SW Barnes RD Ste 300, Portland, OR 97225
- Phone
- (503) 297-8081
- Enumerated
- Apr 25, 2012
- Entity
- Type 1 · individual
Also registered at 9701 SW Barnes RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adnan Ahmad, PHYSICIAN ASSISTANTPhysician Assistant1417788183
- Deron Amador, M.D.Gastroenterology Physician1841653490
- Manisha Apte, M.D.Gastroenterology Physician1851745129
- Leslie Brenton, RD LDRegistered Dietitian1417730367
- Jennifer ChingRegistered Dietitian1003698192
- Monica Daugherty, PA-CPhysician Assistant1730495599
Verify Michael Chew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
521 Medicare Part D claims for 344 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Gavilyte-C233 claims
- Ondansetron Odt54 claims
- Pantoprazole Sodium51 claims
- Mesalamine44 claims
- Dicyclomine Hcl18 claims
- Lubiprostone16 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.
One hospital or facility affiliation
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,125 internal medicine physician records list a Portland practice address
They are 1,125 of the 42,088 NPPES records with a Portland practice address, and 2,511 internal medicine physician records in Oregon.
All 1,125 in Portland → All 2,511 in Oregon → Every provider in Portland →
Other internal medicine physician records in Oregon
- Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
- Soraya Abbassian, M.D.Portland, OR1225029184
- Nicholas Abbott, M.D.Tualatin, OR1124319330
- Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
- Rand AbedalweliPortland, OR1265019996
- Robert Abernathy, M.D.Bend, OR1063433449
- Hazel Jane Abool, M.D.Springfield, OR1346538360
- Mohamed Aboukhashan, MDMedford, OR1932350782
- Allison Abraham, D.O.Portland, OR1831488444
- Mary Abraham, MDCorvallis, OR1073876199
Common questions
What is Michael Chew, MD, MS's NPI number?
Michael Chew, MD, MS's National Provider Identifier (NPI) is 1487912697, issued on Apr 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Michael Chew, MD, MS located?
The NPPES record lists a practice address at 9701 SW Barnes RD Ste 300, Portland, OR, 97225. Phone: (503) 297-8081. Providers update this record themselves, so call before visiting.
How can I verify Michael Chew, MD, MS's license?
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 Michael Chew, MD, MS prescribe under Medicare Part D?
In 2024, Michael Chew, MD, MS had 521 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.