Dr. Phuong T. Nguyen, MD
- Medicare services, 2020
- 106
- Part D claims, 2024
- 14,162
- Industry payments
- $600
- Affiliated sites
- 1
- Medical groups
- 3
- Practice address
- 3800 Kilroy Airport Way, Long Beach, CA 90806
- Practice phone
- Call (520) 529-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carelon Medical Partners of Arizona
Long Beach, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Phuong T. Nguyen is an internist in Long Beach, California
Dr. Nguyen practices at Carelon Medical Partners of Arizona in Long Beach, California.
Dr. Nguyen's NPI, 1376503490, was assigned on March 24, 2006. Dr. Nguyen holds Arizona license 34324.
- NPI
- 1376503490NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103846761
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 529-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Phuong T. Nguyen practices at Carelon Medical Partners of Arizona in Long Beach, California
Dr. Nguyen's primary practice is Carelon Medical Partners of Arizona, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (520) 529-8387.
- Carelon Medical Partners of Arizona3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(520) 529-8387
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Phuong T. Nguyen is affiliated with 2 sites of care and 3 medical groups
Dr. Nguyen's primary practice is Carelon Medical Partners of Arizona in Long Beach, California. The medical group on file is Carelon Health. Dmand AI also links Dr. Nguyen to 2 more medical groups and 1 group practice or clinic, 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. Phuong T. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carelon Medical Partners of Arizona | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Phuong 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 Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
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. Phuong T. Nguyen billed Medicare for 106 services in 2020
CMS data shows 106 Medicare services from Dr. Nguyen across 4 procedure codes in 2020. Medicare paid $8,344 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 6452020: 10684%
Dr. Nguyen compared with the California median for internists, 2020
- Dr. Nguyen
- California median
- Medicare services
- 106vs 36171% below
- Part D claims
- 13,418vs 42131.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2020
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. Phuong T. Nguyen's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 75, with 52% 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 75
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Phuong T. Nguyen wrote 14,162 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 14,162 Medicare Part D claims for 913 patients. 86% of them were for generic drugs. CMS names the drug for 13,418 of them, across 155 drugs with 11 or more claims each, at $839,076 in total drug cost. In 2023, CMS named 1,203 claims across 41 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic12,173 claims86%
- Brand-name1,669 claims12%
- Other320 claims2%
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%402 of 14,162 claims
- Antibiotics2%257 of 14,162 claims
- Antipsychotics, patients 65 and over0%35 of 14,162 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: 1,2032024: 13,4181015%
Drugs named by CMS: 155 in 2024, 41 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. Phuong 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. Phuong T. Nguyen received $600 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Nguyen from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $144.
General payments to Dr. Nguyen by program year, 2016 to 2025
Companies that paid Dr. Nguyen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Phuong 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 | 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 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) |
| 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. Phuong 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. Phuong T. Nguyen's NPI number?
Dr. Phuong T. Nguyen's NPI number is 1376503490. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Phuong T. Nguyen?
Dr. Phuong T. Nguyen is an internist in Long Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Phuong T. Nguyen practice?
Dr. Nguyen practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. Dr. Nguyen's primary practice is Carelon Medical Partners of Arizona in Long Beach, California. Dmand AI also links Dr. Nguyen to 2 medical groups and 1 group practice or clinic.
What is Dr. Phuong T. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (520) 529-8387.
What is Dr. Phuong T. Nguyen's medical license number?
Dr. Nguyen holds Arizona license 34324.
What medical group is Dr. Phuong T. Nguyen part of?
Dr. Nguyen is linked to Carelon Health. Dmand AI links Dr. Nguyen to 2 more medical groups.
Does Dr. Phuong T. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 106 services in 2020, and Dr. Nguyen accepts Medicare assignment.
What services does Dr. Phuong T. Nguyen bill to Medicare?
In 2020, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
What drugs does Dr. Phuong T. 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. Phuong T. Nguyen received payments from drug or device companies?
CMS Open Payments shows $600 in general payments to Dr. Nguyen from 10 companies from 2016 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Dr. Phuong T. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1999, 27 years ago.
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