Theodora Pham Nguyen, PA-C
- Medicare services, 2024
- 259
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 23
- Industry payments
- $483
- Affiliated sites
- 3
- Practice address
- 1000 Fivepoint, Irvine, CA 92618
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD
Acute Care Hospital outpatient department · Irvine, California
Find Theodora 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.
Theodora Pham Nguyen is a physician assistant in Irvine, California
Theodora Nguyen practices at City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD in Irvine, California.
Theodora Nguyen's NPI, 1194303958, was assigned on March 31, 2021. Theodora Nguyen holds California license PA59501.
- NPI
- 1194303958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678972882
- NPI enumeration date
- March 31, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Theodora Pham Nguyen practices at City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD in Irvine, California
Theodora Nguyen's primary practice is City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD, at 1000 Fivepoint, Irvine, CA 92618.
- City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD1000 Fivepoint, Irvine, CA 92618
Source: Dmand AI Affiliation Data
Theodora Pham Nguyen is affiliated with 3 sites of care and 1 medical group
Theodora Nguyen's primary practice is City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD in Irvine, California. The medical group on file is City of Hope. Dmand AI also links Theodora Nguyen to 1 more group practice or clinic and 1 other site, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Theodora Pham Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Theodora Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Theodora Pham Nguyen is one of 11,482 physician assistants in California
Physician assistant is Theodora Nguyen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Theodora Nguyen is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Theodora Nguyen
Counts of physician assistants 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
Theodora Pham Nguyen billed Medicare for 259 services in 2024
CMS data shows 259 Medicare services from Theodora Nguyen across 2 procedure codes in 2024, for 148 Medicare patients. Medicare paid $14,502 for them. Every service was in a facility, such as a hospital, rather than an office.
Theodora Nguyen compared with the California median for physician assistants, 2024
- Theodora Nguyen
- California median
- Medicare services
- 259vs 20427% above
- Medicare patients
- 148vs 10541% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Theodora 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 Theodora Nguyen and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Theodora Pham Nguyen treated 148 Medicare patients in 2024, average age 71
CMS counts 148 Medicare patients who saw Theodora Nguyen in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 5.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Theodora Nguyen's median patient age at 65, with 62% women.
Theodora Nguyen's Medicare patients by age, 2024
Theodora Nguyen's Medicare patients by sex, 2024
- Women6443%
- Men8457%
Chronic conditions among Theodora Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Chronic kidney disease66%
- Heart failure64%
- Ischemic heart disease51%
- Arthritis48%
- Mood disorders47%
Share of Medicare patients with each condition. A patient can have several.
Theodora 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 65
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Theodora Pham Nguyen wrote 23 Medicare Part D claims in 2024
In 2024, Theodora Nguyen wrote 23 Medicare Part D claims for 13 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Theodora Pham Nguyen takes part in Medicare
Theodora 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)
For MedTech and pharma teams
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Theodora Pham Nguyen received $483 in industry payments in 2025
CMS Open Payments shows 4 general payments to Theodora Nguyen from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $243.
Companies that paid Theodora Nguyen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Theodora Pham 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 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 (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 Theodora Pham 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 Theodora Pham Nguyen's NPI number?
Theodora Pham Nguyen's NPI number is 1194303958. It was assigned on March 31, 2021, and it is active in the NPI Registry.
What does Theodora Pham Nguyen specialize in?
Theodora Pham Nguyen is a physician assistant in Irvine, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Theodora Pham Nguyen practice?
Theodora Nguyen practices at 1000 Fivepoint, Irvine, CA 92618. Theodora Nguyen's primary practice is City of Hope National Medical Cente - City of Hope Lennar Oncology/Infusion - HOPD in Irvine, California. Dmand AI also links Theodora Nguyen to 1 group practice or clinic and 1 other site.
What is Theodora Pham Nguyen's medical license number?
Theodora Nguyen holds California license PA59501.
What medical group is Theodora Pham Nguyen part of?
Theodora Nguyen is linked to City of Hope.
Does Theodora Pham Nguyen accept Medicare?
Yes. CMS data shows Theodora Nguyen billed Medicare for 259 services in 2024, and Theodora Nguyen accepts Medicare assignment.
How many Medicare patients does Theodora Pham Nguyen see?
CMS counts 148 Medicare patients who saw Theodora Nguyen in 2024, with an average age of 71.
What services does Theodora Pham Nguyen bill to Medicare?
In 2024, Theodora Nguyen's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99223).
Has Theodora Pham Nguyen received payments from drug or device companies?
CMS Open Payments shows $483 in general payments to Theodora Nguyen from 3 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Theodora Pham Nguyen been practicing?
Theodora Nguyen graduated from medical school in 2021, 5 years ago.
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