Mable Tsui, DO
Family Medicine Physician · Smyrna, DE
Mable Tsui, DO is a family medicine physician with a practice address in Smyrna, Delaware, and NPI 1831578517, issued on May 27, 2015. Check the license (Delaware C2-0013385, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mable Tsui
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C2-0013385 DE
Self-reported in NPPES; status is on the state search - Practice location
- 401 N Carter RD Ste 201, Smyrna, DE 19977
- Phone
- (302) 514-3371
- Enumerated
- May 27, 2015
- Record last updated
- Jan 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (302) 653-3876
- Medicare enrollment
- Enrolled (PECOS I20200106000128); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 401 N Carter RD Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Markia Carolina, APRNNurse Practitioner1801228374
- Alexys Daut, M.D.Family Medicine Physician1982994216
- Bo Fu, DOInternal Medicine Physician1871172296
- Laurianne Haynes, MDFamily Medicine Physician1184101115
- Fiza Khan, MDPsychiatry Physician1346674801
- Marsha Nau, FNP-CNurse Practitioner1790227676
Verify Mable Tsui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0013385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family medicine physician in 2024
3,750 Medicare Part D claims for 366 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium361 claims
- Lisinopril232 claims
- Levothyroxine Sodium198 claims
- Amlodipine Besylate178 claims
- Omeprazole133 claims
- Rosuvastatin Calcium128 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
- Bayhealth Medical Center, IncSmyrna, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mable Tsui among 518 family medicine physician records in Delaware
Mable Tsui, DO is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2002 among the 323 with a school on file
- Record last updated2020 · 53% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Smyrna
They are 10 of the 349 NPPES records with a practice address in Smyrna, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Smyrna → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Olivia Castro, D.OSmyrna, DE 199771285094532
- A Chervenak, D.O.Smyrna, DE 199771356491484
- Alexys Daut, M.D.Smyrna, DE 199771982994216
- Priyanka Dixit-Patel, MDSmyrna, DE 199771760536262
- Shirin Felizadeh, M.D.Smyrna, DE 199771306533021
- Laurianne Haynes, MDSmyrna, DE 199771184101115
- Deborah Kirk, M.D.Smyrna, DE 199771427069475
- Vicenta Marquez, M.D.Smyrna, DE 199771063478386
Common questions
What is Mable Tsui, DO's NPI number?
Mable Tsui, DO's National Provider Identifier (NPI) is 1831578517, issued on May 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mable Tsui, DO located?
The NPPES record lists a practice address at 401 N Carter RD Ste 201, Smyrna, DE, 19977. Phone: (302) 514-3371. Providers update this record themselves, so call before visiting.
How can I verify Mable Tsui, DO's license?
NPPES lists Delaware license number C2-0013385, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mable Tsui, DO prescribe under Medicare Part D?
In 2024, Mable Tsui, DO had 3,750 Medicare Part D claims for 366 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.