Silbey S. Mui, MD
Geriatric Medicine (Internal Medicine) Physician · South San Francisco, CA
Silbey S. Mui, MD is a geriatric medicine (internal medicine) physician with a practice address in South San Francisco, California, and NPI 1346390143, issued on Jan 12, 2007. Check the license (California A70237, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Silbey S. Mui
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A70237 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-2000
- Enumerated
- Jan 12, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A702370 CA
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristine Aguirre, RRTRegistered Respiratory Therapist1528539996
- Lena AlazzehPhysical Therapist1629739859
- Kate AlbeePhysical Therapist1053464495
- Jason Anderson, MDHospitalist Physician1831277466
- Karl Anderson, MDUrology Physician1700964301
Verify Silbey S. Mui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,681 Medicare Part D claims for 100 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 82 claims were for opioids.
Most prescribed
- Atorvastatin Calcium228 claims
- Gabapentin189 claims
- Warfarin Sodium178 claims
- Levothyroxine Sodium141 claims
- Amlodipine Besylate131 claims
- Furosemide91 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.
Silbey S. Mui among 532 geriatric medicine (internal medicine) physician records in California
Silbey S. Mui, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in South San Francisco → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Maung Tin, MDSouth San Francisco, CA 940801003015215
- Qingping Wang, M.D., PH.D.South San Francisco, CA 940801104818590
- Megha Pokhriyal, DOSunnyvale, CA 940851639708670
- Woody ChangSunnyvale, CA 940861295153187
- Sangeeta Kopardekar, MDSunnyvale, CA 940861568561157
- Haini Liao, M.D.Sunnyvale, CA 940861235490988
- Pooja MathewSunnyvale, CA 940861811579279
- Jessica Phan, MDSunnyvale, CA 940861902484280
Common questions
What is Silbey S. Mui, MD's NPI number?
Silbey S. Mui, MD's National Provider Identifier (NPI) is 1346390143, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Silbey S. Mui, MD located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2000. Providers update this record themselves, so call before visiting.
How can I verify Silbey S. Mui, MD's license?
NPPES lists California license number A70237, 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 Silbey S. Mui, MD prescribe under Medicare Part D?
In 2024, Silbey S. Mui, MD had 3,681 Medicare Part D claims for 100 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.