Dr. Hung-Anh Ba Nguyen, MD
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 5,625
- Industry payments
- $1,376
- Affiliated sites
- 2
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
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. Hung-Anh Ba Nguyen is an internist in Stockton, California
Dr. Nguyen practices at Permanente Medical Group Inc in Stockton, California.
Dr. Nguyen's NPI, 1871594036, was assigned on August 9, 2005. Dr. Nguyen graduated from St. George's University School of Medicine in 1998. Dr. Nguyen holds California license A96119.
- NPI
- 1871594036NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406831585
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hung-Anh Ba Nguyen practices at Permanente Medical Group Inc in Stockton, California
Dr. Nguyen's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hung-Anh Ba Nguyen is affiliated with 3 sites of care and 2 medical groups
Dr. Nguyen's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nguyen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Hung-Anh Ba 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 |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hung-Anh Ba 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. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Maryland license
Clinical focus
Dmand AI lists acute skin infection, chronic diabetes, chronic hypertension, contact dermatitis and diabetic emergency among the conditions Dr. Nguyen treats.
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. Hung-Anh Ba Nguyen billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Nguyen across 1 procedure code in 2024, all of them office visits, for 12 Medicare patients. Medicare paid $425 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 1448%
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 14vs 36196% below
- Medicare patients
- 12vs 15192% below
- Part D claims
- 4,979vs 42111.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2024
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hung-Anh Ba Nguyen treated 12 Medicare patients in 2024, average age 64
CMS counts 12 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 53, with 50% women.
Dr. Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
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 53
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hung-Anh Ba Nguyen wrote 5,625 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 5,625 Medicare Part D claims for 574 patients. 89% of them were for generic drugs. CMS names the drug for 4,979 of them, across 99 drugs with 11 or more claims each, at $216,392 in total drug cost. In 2023, CMS named 4,426 claims across 97 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic4,992 claims89%
- Brand-name589 claims10%
- Other44 claims1%
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
- Opioids4%205 of 5,625 claims
- Antibiotics2%138 of 5,625 claims
- Antipsychotics, patients 65 and over0%25 of 5,625 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: 4,4262024: 4,97912%
Drugs named by CMS: 99 in 2024, 97 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. Hung-Anh Ba 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. Hung-Anh Ba Nguyen received $1,376 in industry payments from 2016 to 2024
CMS Open Payments shows 68 general payments to Dr. Nguyen from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 97% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $246.
General payments to Dr. Nguyen by program year, 2016 to 2024
General payments to Dr. Nguyen by kind, 2016 to 2024
- Food and beverage$1,34197%
- Education$353%
Companies that paid Dr. Nguyen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hung-Anh Ba Nguyen graduated from St. George's University School of Medicine
Dr. Nguyen graduated from St. George's University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hung-Anh Ba 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Hung-Anh Ba 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. Hung-Anh Ba Nguyen's NPI number?
Dr. Hung-Anh Ba Nguyen's NPI number is 1871594036. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Hung-Anh Ba Nguyen?
Dr. Hung-Anh Ba Nguyen is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hung-Anh Ba Nguyen practice?
Dr. Nguyen practices at 7373 West Ln, Stockton, CA 95210. Dr. Nguyen's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Nguyen to 2 group practices and clinics and 1 medical group.
What is Dr. Hung-Anh Ba Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (209) 476-2000.
What is Dr. Hung-Anh Ba Nguyen's medical license number?
Dr. Nguyen holds California license A96119, one of the licenses on file in 2 states.
Which states has Dr. Hung-Anh Ba Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (2006 to 2026) and Maryland (2003 to 2025).
What medical group is Dr. Hung-Anh Ba Nguyen part of?
Dr. Nguyen is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Nguyen to 1 more medical group.
Does Dr. Hung-Anh Ba Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 14 services in 2024, and Dr. Nguyen accepts Medicare assignment.
Does Dr. Hung-Anh Ba Nguyen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.
How many Medicare patients does Dr. Hung-Anh Ba Nguyen see?
CMS counts 12 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 64.
Show 5 more questionsShow fewer questions
What services does Dr. Hung-Anh Ba Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Hung-Anh Ba Nguyen go to medical school?
Dr. Nguyen graduated from St. George's University School of Medicine in 1998.
What drugs does Dr. Hung-Anh Ba Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.
Has Dr. Hung-Anh Ba Nguyen received payments from drug or device companies?
CMS Open Payments shows $1,376 in general payments to Dr. Nguyen from 17 companies from 2016 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Hung-Anh Ba Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1998, 28 years ago.
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