Dr. Jonathan Nguyen, MD
- Part D claims, 2024
- 3,949
- Hospital affiliations
- 1
- Industry payments
- $220
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 700 Lawrence Expressway, Santa Clara, CA 95051
- Practice phone
- Call (408) 236-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nguyen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan Nguyen is an internist in Santa Clara, California
Dr. Nguyen practices at Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente.
Dr. Nguyen's NPI, 1922549138, was assigned on March 20, 2017. Dr. Nguyen graduated from Drexel University College Of Medicine in 2017. Dr. Nguyen holds California license A158975.
- NPI
- 1922549138NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800135039
- NPI enumeration date
- March 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 236-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Nguyen practices at Santa Clara Medical Center in Santa Clara, California
Dr. Nguyen's primary practice is Santa Clara Medical Center, at 700 Lawrence Expressway, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 236-6400.
- Santa Clara Medical Center700 Lawrence Expressway, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 236-6400
Source: Dmand AI Affiliation Data
Dr. Jonathan Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Nguyen is one of 16,751 internists in California
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Nguyen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jonathan Nguyen's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 56, with 41% women.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Jonathan Nguyen wrote 3,949 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 3,949 Medicare Part D claims for 1,013 patients. 91% of them were for generic drugs. CMS names the drug for 3,365 of them, across 80 drugs with 11 or more claims each, at $133,998 in total drug cost. In 2023, CMS named 2,179 claims across 62 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic3,593 claims91%
- Brand-name341 claims9%
- Other15 claims0%
Dr. Nguyen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nguyen's Part D claims, 2024
- Opioids3%102 of 3,949 claims
- Antibiotics3%115 of 3,949 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,1792024: 3,36554%
Drugs named by CMS: 80 in 2024, 62 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Jonathan Nguyen offers telehealth to Medicare patients
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nguyen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan Nguyen received $220 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Nguyen from 4 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. TissueTech, Inc. paid the most, $120.
General payments to Dr. Nguyen by program year, 2019 to 2025
Companies that paid Dr. Nguyen the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Nguyen graduated from Drexel University College Of Medicine
Dr. Nguyen graduated from Drexel University College Of Medicine in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Jonathan Nguyen accepts plans from 2 insurance carriers
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jonathan Nguyen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Nguyen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jonathan Nguyen's NPI number?
Dr. Jonathan Nguyen's NPI number is 1922549138. It was assigned on March 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Nguyen?
Dr. Jonathan Nguyen is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan Nguyen practice?
Dr. Nguyen practices at 700 Lawrence Expressway, Santa Clara, CA 95051. Dr. Nguyen's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.
What is Dr. Jonathan Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (408) 236-6400.
What is Dr. Jonathan Nguyen's medical license number?
Dr. Nguyen holds California license A158975.
Which hospitals is Dr. Jonathan Nguyen affiliated with?
Dr. Nguyen practices at Santa Clara Medical Center in Santa Clara, California.
What medical group is Dr. Jonathan Nguyen part of?
Dr. Nguyen is linked to The Permanente Medical Group, Inc.
Does Dr. Jonathan Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Does Dr. Jonathan Nguyen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.
Is Dr. Jonathan Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
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Where did Dr. Jonathan Nguyen go to medical school?
Dr. Nguyen graduated from Drexel University College Of Medicine in 2017.
What drugs does Dr. Jonathan Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Jonathan Nguyen received payments from drug or device companies?
CMS Open Payments shows $220 in general payments to Dr. Nguyen from 4 companies from 2019 to 2025. The largest total came from TissueTech, Inc.
How long has Dr. Jonathan Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Jonathan Nguyen accept?
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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