Derrick Weison Su, MD
Specialist · Fountain Valley, CA
Derrick Weison Su, MD is a specialist with a practice address in Fountain Valley, California, and NPI 1740569789, issued on Aug 9, 2011. Check the license (California A125217, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derrick Weison Su
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- A125217 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11180 Warner Ave Ste 351, Fountain Valley, CA 92708
- Phone
- (714) 698-0300
- Enumerated
- Aug 9, 2011
- Record last updated
- May 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (714) 698-0313
- Medicare enrollment
- Enrolled (PECOS I20170728002125); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 11180 Warner Ave Ste 351
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin DoHematology & Oncology Physician1811384001
- Jenny JooAdult Health Nurse Practitioner1821411570
- Eric Lee, M.D., PH.D.Hematology & Oncology Physician1609211838
- Hannah Manning, PA-CMedical Physician Assistant1780378521
- Janet Pan, M.D.Specialist1801056676
- Pete Pow-AnpongkulHematology & Oncology Physician1831586387
Verify Derrick Weison Su in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A125217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average specialist in 2024
1,594 Medicare Part D claims for 270 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 30 claims were for opioids.
Most prescribed
- Tagrisso97 claims
- Eliquis77 claims
- Hydroxyurea72 claims
- Anastrozole70 claims
- Procrit47 claims
- Letrozole41 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: $9,717.40
398 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- Los Angeles Hematology-Oncology Medical GroupFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick Weison Su among 5,749 specialist records in California
Derrick Weison Su, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 34% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2011 · median 1989 among the 1,075 with a school on file
- Record last updated2019 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 specialist records list a practice address in Fountain Valley
They are 34 of the 2,190 NPPES records with a practice address in Fountain Valley, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Fountain Valley → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Mir Ali, MDFountain Valley, CA 927081184689663
- Viet Be, M.D.Fountain Valley, CA 927081437118650
- Philip Chin, M.D.Fountain Valley, CA 927081548224629
- Himmet Dajee, MDFountain Valley, CA 927081124082730
- Kelly Francis, M.D.Fountain Valley, CA 927081497719504
- Haresh Jhangiani, M.D.Fountain Valley, CA 927081578566998
- Jane Kakkis, M.D.Fountain Valley, CA 927081598715427
- Peter Leport, M.D.Fountain Valley, CA 927081932163532
Common questions
What is Derrick Weison Su, MD's NPI number?
Derrick Weison Su, MD's National Provider Identifier (NPI) is 1740569789, issued on Aug 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Derrick Weison Su, MD located?
The NPPES record lists a practice address at 11180 Warner Ave Ste 351, Fountain Valley, CA, 92708. Phone: (714) 698-0300. Providers update this record themselves, so call before visiting.
How can I verify Derrick Weison Su, MD's license?
NPPES lists California license number A125217, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Derrick Weison Su, MD prescribe under Medicare Part D?
In 2024, Derrick Weison Su, MD had 1,594 Medicare Part D claims for 270 beneficiaries; the average among specialist prescribers was 1,380. 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.