Michelle Tsai, MD
Neurology Physician · Portland, OR
Michelle Tsai, MD is a neurology physician with a practice address in Portland, Oregon, and NPI 1497333140, issued on Apr 1, 2021. Check the license (Oregon MD223955, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michelle Tsai
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD223955 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3303 S Bond Ave, Portland, OR 97239
- Phone
- (503) 494-7772
- Enumerated
- Apr 1, 2021
- Record last updated
- Jun 23, 2025
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 287 in Oregon → Look up another NPI →
Also registered at 3303 S Bond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD223955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average neurology physician in 2024
178 Medicare Part D claims for 45 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate16 claims
- Atorvastatin Calcium15 claims
- Gabapentin14 claims
- Methocarbamol14 claims
- Baclofen13 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.
Michelle Tsai among 287 neurology physician records in Oregon
Michelle Tsai, MD is one of 287 neurology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Oregon
There are 287 neurology physician records in Oregon.
All 287 in Oregon → Every provider in Portland → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Jacqueline Bernard, M.D.Portland, OR 972391710924709
- Eilis Boudreau, MDPortland, OR 972391093737629
- Nizar Chahin, M.D.Portland, OR 972391225015761
- Edward Cupler, MDPortland, OR 972391225043722
- Deniz Erten-Lyons, MDPortland, OR 972391770598286
- Daniel Gibbs, MD, PHDPortland, OR 972391720080427
- Amie Hiller, M.D.Portland, OR 972391649205600
- Helmi Lutsep, MDPortland, OR 972391164437661
Common questions
What is Michelle Tsai, MD's NPI number?
Michelle Tsai, MD's National Provider Identifier (NPI) is 1497333140, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Tsai, MD located?
The NPPES record lists a practice address at 3303 S Bond Ave, Portland, OR, 97239. Phone: (503) 494-7772. Providers update this record themselves, so call before visiting.
How can I verify Michelle Tsai, MD's license?
NPPES lists Oregon license number MD223955, 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 Michelle Tsai, MD prescribe under Medicare Part D?
In 2024, Michelle Tsai, MD had 178 Medicare Part D claims for 45 beneficiaries; the average among neurology physician prescribers was 1,370. 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.