Jaclyn Nguyen, MD
Neurology Physician · Palo Alto, CA
Jaclyn Nguyen, MD is a neurology physician with a practice address in Palo Alto, California, and NPI 1699312157, issued on Dec 4, 2019. Check the license (California A190405, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jaclyn Nguyen
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A190405 CA
Self-reported in NPPES; status is on the state search - Practice location
- 453 Quarry RD, Palo Alto, CA 94304
- Phone
- (650) 723-5948
- Enumerated
- Dec 4, 2019
- Record last updated
- Dec 11, 2023
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 453 Quarry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Bederson, MDStudent in an Organized Health Care Education/Training Program1699563106
- Shaira BediPediatric Nephrology Physician1295468353
- Brandon Bergsneider, MDStudent in an Organized Health Care Education/Training Program1538097753
- Megan CornStudent in an Organized Health Care Education/Training Program1114772944
Verify Jaclyn Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A190405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average neurology physician in 2024
62 Medicare Part D claims for 21 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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.
Jaclyn Nguyen among 2,339 neurology physician records in California
Jaclyn Nguyen, MD is one of 2,339 neurology 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 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Palo Alto → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Bruce Adornato, M.D.Palo Alto, CA 943041366514341
- Mohammed Alhaidar, MBBSPalo Alto, CA 943041811420276
- Peter Cassini, M.D.Palo Alto, CA 943041326088501
- Peter Heublein, M.D.Palo Alto, CA 943041619088085
- Shannon Kilgore, M.D.Palo Alto, CA 943041366485849
- Leland Lim, MD, PHDPalo Alto, CA 943041932215761
- Kendra PetersonPalo Alto, CA 943041801980545
- Thomas Rando, M.D., PH.DPalo Alto, CA 943041255448171
Common questions
What is Jaclyn Nguyen, MD's NPI number?
Jaclyn Nguyen, MD's National Provider Identifier (NPI) is 1699312157, issued on Dec 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jaclyn Nguyen, MD located?
The NPPES record lists a practice address at 453 Quarry RD, Palo Alto, CA, 94304. Phone: (650) 723-5948. Providers update this record themselves, so call before visiting.
How can I verify Jaclyn Nguyen, MD's license?
NPPES lists California license number A190405, 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 Jaclyn Nguyen, MD prescribe under Medicare Part D?
In 2024, Jaclyn Nguyen, MD had 62 Medicare Part D claims for 21 beneficiaries; the average among neurology physician prescribers was 1,370. 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.