Alexandra I. Duque Silva, M.D.
Pediatric Infectious Diseases Physician · Brentwood, CA
Alexandra I. Duque Silva, M.D. is a pediatric infectious diseases physician with a practice address in Brentwood, California, and NPI 1174758585, issued on May 29, 2009. Check the license (California A116268, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexandra I. Duque Silva
- Credential
- M.D.
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License number
- A116268 CA
Self-reported in NPPES; status is on the state search - Practice location
- 171 Sand Creek RD, Brentwood, CA 94513
- Phone
- (925) 757-5496
- Enumerated
- May 29, 2009
- Record last updated
- Dec 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260423002679); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 161 in California → Look up another NPI →
Also registered at 171 Sand Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deidra Francis, FNPFamily Nurse Practitioner1770998965
- Michelle HolmesFamily Medicine Physician1720145626
- Monica Wooldridge, FNPFamily Nurse Practitioner1578898383
Verify Alexandra I. Duque Silva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average pediatric infectious diseases physician in 2024
26 Medicare Part D claims, against an average of 165 among the 111 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clindamycin Phosphate13 claims
- Vienva13 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.
Alexandra I. Duque Silva among 161 pediatric infectious diseases physician records in California
Alexandra I. Duque Silva, M.D. is one of 161 pediatric infectious diseases physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2006 · median 2002 among the 49 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in California
There are 161 pediatric infectious diseases physician records in California.
All 161 in California → Every provider in Brentwood → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Garwin Soe, MDAntioch, CA 945091891845616
- Megan Connick, M.D.Fairfield, CA 945341104841576
- Arnd Herz, M.D.Hayward, CA 945451790835510
- Randy Bergen, MDWalnut Creek, CA 945961316025497
- Dan Granoff, M.D.Oakland, CA 946091609131697
- Charlotte Hsieh, M.D.Oakland, CA 946091093745630
- Brian Lee, M.D.Oakland, CA 946091417987033
- Ann Petru, M.D.Oakland, CA 946091568490878
Common questions
What is Alexandra I. Duque Silva, M.D.'s NPI number?
Alexandra I. Duque Silva, M.D.'s National Provider Identifier (NPI) is 1174758585, issued on May 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra I. Duque Silva, M.D. located?
The NPPES record lists a practice address at 171 Sand Creek RD, Brentwood, CA, 94513. Phone: (925) 757-5496. Providers update this record themselves, so call before visiting.
How can I verify Alexandra I. Duque Silva, M.D.'s license?
NPPES lists California license number A116268, 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 Alexandra I. Duque Silva, M.D. prescribe under Medicare Part D?
In 2024, Alexandra I. Duque Silva, M.D. had 26 Medicare Part D claims; the average among pediatric infectious diseases physician prescribers was 165. 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.