Dr. Jennifer T. Nguyen, MD
- Medicare services, 2017
- 36
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 524
- Hospital affiliations
- 1
- Industry payments
- $246
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- 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
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Dr. Jennifer T. Nguyen is an internist in Downey, California
Dr. Nguyen practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Dr. Nguyen's NPI, 1013065846, was assigned on January 8, 2007. Dr. Nguyen graduated from Medical College of Wisconsin in 1993. Dr. Nguyen holds California license G81442.
- NPI
- 1013065846NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991820177
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer T. Nguyen practices at Downey Medical Center in Downey, California
Dr. Nguyen's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Dr. Jennifer T. Nguyen is affiliated with 3 sites of care and 1 medical group
Dr. Nguyen's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Nguyen to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer T. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer T. 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 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. Jennifer T. Nguyen billed Medicare for 36 services in 2017
CMS data shows 36 Medicare services from Dr. Nguyen across 2 procedure codes in 2017, for 13 Medicare patients. Medicare paid $2,427 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 312017: 3616%
Dr. Nguyen compared with the California median for internists, 2017
- Dr. Nguyen
- California median
- Medicare services
- 36vs 36190% below
- Medicare patients
- 13vs 15191% below
- Part D claims
- 263vs 42138% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer T. Nguyen treated 13 Medicare patients in 2024, average age 67
CMS counts 13 Medicare patients who saw Dr. Nguyen in 2024. 75% of them have high blood pressure. Their average risk score is 4.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 70, with 56% women.
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
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 70
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer T. Nguyen wrote 524 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 524 Medicare Part D claims for 169 patients. 85% of them were for generic drugs. CMS names the drug for 263 of them, across 15 drugs with 11 or more claims each, at $18,218 in total drug cost. In 2023, CMS named 220 claims across 12 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic448 claims85%
- Brand-name and other76 claims15%
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
- Opioids2%13 of 524 claims
- Antibiotics10%55 of 524 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: 2202024: 26320%
Drugs named by CMS: 15 in 2024, 12 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
How Dr. Jennifer T. Nguyen takes part in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jennifer T. Nguyen received $246 in industry payments from 2019 to 2025
CMS Open Payments shows 2 general payments to Dr. Nguyen from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Ironwood Pharmaceuticals, Inc paid the most, $125.
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. Jennifer T. Nguyen graduated from Medical College of Wisconsin
Dr. Nguyen graduated from Medical College of Wisconsin in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jennifer T. 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 |
| 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. Jennifer T. 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. Jennifer T. Nguyen's NPI number?
Dr. Jennifer T. Nguyen's NPI number is 1013065846. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer T. Nguyen?
Dr. Jennifer T. Nguyen is an internist in Downey, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jennifer T. Nguyen practice?
Dr. Nguyen practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Nguyen's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Nguyen to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Jennifer T. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (562) 461-6007.
What is Dr. Jennifer T. Nguyen's medical license number?
Dr. Nguyen holds California license G81442.
Which hospitals is Dr. Jennifer T. Nguyen affiliated with?
Dr. Nguyen practices at Downey Medical Center in Downey, California.
What medical group is Dr. Jennifer T. Nguyen part of?
Dr. Nguyen is linked to Southern California Permanente Medical Group.
Does Dr. Jennifer T. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 36 services in 2017, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Jennifer T. Nguyen see?
CMS counts 13 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 67.
What services does Dr. Jennifer T. Nguyen bill to Medicare?
In 2017, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Jennifer T. Nguyen go to medical school?
Dr. Nguyen graduated from Medical College of Wisconsin in 1993.
What drugs does Dr. Jennifer T. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Lisinopril.
Has Dr. Jennifer T. Nguyen received payments from drug or device companies?
CMS Open Payments shows $246 in general payments to Dr. Nguyen from 2 companies from 2019 to 2025. The largest total came from Ironwood Pharmaceuticals, Inc.
How long has Dr. Jennifer T. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1993, 33 years ago.
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