Michael Hing-Wah Siu, M.D.
Family Medicine Physician · San Francisco, CA
Michael Hing-Wah Siu, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1528123247, issued on Dec 22, 2006. Check the license (California A040514, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Hing-Wah Siu
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A040514 CA
Self-reported in NPPES; status is on the state search - Practice location
- 380 W Portal Ave Ste E, San Francisco, CA 94127
- Phone
- (415) 753-1110
- Enumerated
- Dec 22, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (415) 753-1123
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Michael Hing-Wah Siu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A040514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average family medicine physician in 2024
1,052 Medicare Part D claims for 135 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium128 claims
- Amlodipine Besylate96 claims
- Losartan Potassium93 claims
- Rosuvastatin Calcium57 claims
- Levothyroxine Sodium48 claims
- Metformin Hcl48 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: $124.32
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
Michael Hing-Wah Siu among 17,133 family medicine physician records in California
Michael Hing-Wah Siu, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Victoria Lau, D.O.San Francisco, CA 941271336482298
- Marie Lewandowski, MDSan Francisco, CA 941271922182625
- James Park, MDSan Francisco, CA 941271669539375
- David Sly, DOSan Francisco, CA 941271255387148
- Dennis Korpman, MDSan Francisco, CA 941281053688531
- Arnold Traynis, MDSan Francisco, CA 941251962456749
- Robert Franklin, MDSan Francisco, CA 941241801975933
- Catherine Olson, MDSan Francisco, CA 941241982731972
Common questions
What is Michael Hing-Wah Siu, M.D.'s NPI number?
Michael Hing-Wah Siu, M.D.'s National Provider Identifier (NPI) is 1528123247, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Hing-Wah Siu, M.D. located?
The NPPES record lists a practice address at 380 W Portal Ave Ste E, San Francisco, CA, 94127. Phone: (415) 753-1110. Providers update this record themselves, so call before visiting.
How can I verify Michael Hing-Wah Siu, M.D.'s license?
NPPES lists California license number A040514, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Hing-Wah Siu, M.D. prescribe under Medicare Part D?
In 2024, Michael Hing-Wah Siu, M.D. had 1,052 Medicare Part D claims for 135 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.