Charlotte Leslie Tsai, MD
Dermatology Physician · Portland, OR
Charlotte Leslie Tsai, MD is a dermatology physician with a practice address in Portland, Oregon, and NPI 1427271170, issued on Apr 11, 2007. Check the license (Oregon 152175, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charlotte Leslie Tsai
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 152175 OR
A104070 CA
44854 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 N Interstate Ave, Portland, OR 97227
- Phone
- (503) 331-3060
- Enumerated
- Apr 11, 2007
- Record last updated
- Aug 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101111000165); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2001
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 209 in Oregon → Look up another NPI →
Also registered at 3600 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rulla AlsaediPharmacist1942907266
- Jennifer AndersonOncology Registered Nurse1942139019
- Shareen BakerOptician1851488373
- Christine Barnett, M.D.Hematology & Oncology Physician1679772743
- Lane Barton, MDPhysical Medicine & Rehabilitation Physician1114036746
Verify Charlotte Leslie Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 152175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average dermatology physician in 2024
1,401 Medicare Part D claims for 460 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Clobetasol Propionate188 claims
- Fluorouracil127 claims
- Triamcinolone Acetonide108 claims
- Methotrexate90 claims
- Doxycycline Monohydrate80 claims
- Ketoconazole73 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charlotte Leslie Tsai among 209 dermatology physician records in Oregon
Charlotte Leslie Tsai, MD is one of 209 dermatology physician records with a practice address in Oregon. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2001 · median 2008 among the 143 with a school on file
- Record last updated2010 · 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 207N00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Oregon
There are 209 dermatology physician records in Oregon.
All 209 in Oregon → Every provider in Portland → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Mariah Mason, MDPortland, OR 972271558629188
- Constance Shadwick, MDPortland, OR 972271649385295
- Clark Sisk, M.D.Portland, OR 972271154436830
- Michelle Bonta, MDPortland, OR 972251265468615
- Amy Frankel, M.D.Portland, OR 972251427293208
- Emma Hill, MDPortland, OR 972251326540063
- Reza Kafi, MDPortland, OR 972251891737201
- Stacy Reed, MDPortland, OR 972291285891168
Common questions
What is Charlotte Leslie Tsai, MD's NPI number?
Charlotte Leslie Tsai, MD's National Provider Identifier (NPI) is 1427271170, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Leslie Tsai, MD located?
The NPPES record lists a practice address at 3600 N Interstate Ave, Portland, OR, 97227. Phone: (503) 331-3060. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Leslie Tsai, MD's license?
NPPES lists Oregon license number 152175, 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 Charlotte Leslie Tsai, MD prescribe under Medicare Part D?
In 2024, Charlotte Leslie Tsai, MD had 1,401 Medicare Part D claims for 460 beneficiaries; the average among dermatology physician prescribers was 797. 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.