Jacqueline C. Alba-Nguyen, MD, MPH
Internal Medicine Physician · San Jose, CA
Jacqueline C. Alba-Nguyen, MD, MPH is an internal medicine physician with a practice address in San Jose, California, and NPI 1144545302, issued on Mar 31, 2010. Check the license (California A119961, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacqueline C. Alba-Nguyen
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A119961 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Alexian Dr Ste D, San Jose, CA 95116
- Phone
- (408) 272-6050
- Enumerated
- Mar 31, 2010
- Record last updated
- Jul 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20131118000904); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2101 Alexian Dr Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jacqueline C. Alba-Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,177 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Tamsulosin Hcl75 claims
- Atorvastatin Calcium59 claims
- Omeprazole44 claims
- Amlodipine Besylate38 claims
- Gabapentin33 claims
- Albuterol Sulfate Hfa32 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
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacqueline C. Alba-Nguyen among 17,696 internal medicine physician records in California
Jacqueline C. Alba-Nguyen, MD, MPH is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 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 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Komal Bhatt, MDSan Jose, CA 951161003824699
- Richard Cathey, M.D.San Jose, CA 951161750343323
- Dinh Dam, M.D.San Jose, CA 951161518936616
- Jaco Fishenfeld, MDSan Jose, CA 951161689639577
- Jose Maria Guanzon, MDSan Jose, CA 951161134150881
- Teresita Guanzon, MDSan Jose, CA 951161306877055
- Dwight Lim, MDSan Jose, CA 951161124084561
- Syed Majid, MD, FRCP, FASAMSan Jose, CA 951161225009533
Common questions
What is Jacqueline C. Alba-Nguyen, MD, MPH's NPI number?
Jacqueline C. Alba-Nguyen, MD, MPH's National Provider Identifier (NPI) is 1144545302, issued on Mar 31, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jacqueline C. Alba-Nguyen, MD, MPH located?
The NPPES record lists a practice address at 2101 Alexian Dr Ste D, San Jose, CA, 95116. Phone: (408) 272-6050. Providers update this record themselves, so call before visiting.
How can I verify Jacqueline C. Alba-Nguyen, MD, MPH's license?
NPPES lists California license number A119961, 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 Jacqueline C. Alba-Nguyen, MD, MPH prescribe under Medicare Part D?
In 2024, Jacqueline C. Alba-Nguyen, MD, MPH had 1,177 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.