Dr. Anna Nguyen, DO
- Medicare services, 2024
- 505
- Medicare patients, 2024
- 342
- Part D claims, 2024
- 214
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Practice address
- 2105 Forest Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 947-2831
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
O'Connor Hospital
Skilled Nursing Facility - Hospital-Based · San Jose, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Anna Nguyen is an emergency medicine physician in San Jose, California
Dr. Nguyen practices at O'Connor Hospital in San Jose, California.
Dr. Nguyen's NPI, 1013411214, was assigned on March 21, 2018. Dr. Nguyen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2018. Dr. Nguyen's California license number on file is 20A17754.
- NPI
- 1013411214NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244648137
- NPI enumeration date
- March 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 947-2831
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna Nguyen practices at O'Connor Hospital in San Jose, California
Dr. Nguyen's primary practice is O'Connor Hospital, at 2105 Forest Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 947-2831.
- O'Connor Hospital2105 Forest Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 947-2831
Source: Dmand AI Affiliation Data
Dr. Anna Nguyen is affiliated with 2 sites of care and 3 medical groups
Dr. Nguyen's primary practice is O'Connor Hospital in San Jose, California. Dr. Nguyen is also affiliated with Santa Clara Valley Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nguyen to 2 more medical groups, 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. Anna 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 |
|---|---|
| O'Connor Hospital | 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. Anna Nguyen is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nguyen is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Nguyen has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Nguyen
Counts of emergency medicine physicians 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. Anna Nguyen billed Medicare for 505 services in 2024
CMS data shows 505 Medicare services from Dr. Nguyen across 5 procedure codes in 2024, for 342 Medicare patients. Medicare paid $44,665 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3482024: 3354%
- Tests and treatments
- 2023: 1652024: 1703%
- Imaging
- 2023: 112024: 0100%
Dr. Nguyen compared with the California median for emergency medicine physicians, 2024
- Dr. Nguyen
- California median
- Medicare services
- 505vs 26591% above
- Medicare patients
- 342vs 24341% above
- Part D claims
- 103vs 6266% above
Medians across 7,079 emergency medicine physicians 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna Nguyen treated 342 Medicare patients in 2024, average age 73
CMS counts 342 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 63% are also on Medicaid. Their average risk score is 2.28, 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 42, with 56% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women19056%
- Men15244%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Diabetes51%
- Arthritis42%
- Chronic kidney disease36%
- Ischemic heart disease35%
- Mood disorders35%
- Anxiety32%
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 42
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna Nguyen wrote 214 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 214 Medicare Part D claims for 148 patients. 93% of them were for generic drugs. CMS names the drug for 103 of them, across 7 drugs with 11 or more claims each, at $864 in total drug cost. In 2023, CMS named 45 claims across 3 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic198 claims93%
- Brand-name and other16 claims7%
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
- Opioids9%20 of 214 claims
- Antibiotics33%70 of 214 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: 452024: 103129%
Drugs named by CMS: 7 in 2024, 3 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. Anna Nguyen scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Nguyen for performance year 2024, reported as part of a group. Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nguyen's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Anna Nguyen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Nguyen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2018.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Anna Nguyen accepts plans from 1 insurance carrier
Dr. Nguyen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Anna 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)Clinician Public Reporting: Overall MIPS Performance (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. Anna 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. Anna Nguyen's NPI number?
Dr. Anna Nguyen's NPI number is 1013411214. It was assigned on March 21, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Nguyen?
Dr. Anna Nguyen is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Anna Nguyen practice?
Dr. Nguyen practices at 2105 Forest Avenue, San Jose, CA 95128. Dr. Nguyen's primary practice is O'Connor Hospital in San Jose, California. Dmand AI also links Dr. Nguyen to 2 medical groups.
What is Dr. Anna Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (408) 947-2831.
What is Dr. Anna Nguyen's medical license number?
Dr. Nguyen's California license number on file is 20A17754.
Which hospitals is Dr. Anna Nguyen affiliated with?
Dr. Nguyen is affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Anna Nguyen part of?
Dr. Nguyen is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Nguyen to 2 more medical groups.
Does Dr. Anna Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 505 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Anna Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Anna Nguyen see?
CMS counts 342 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
Is Dr. Anna Nguyen board certified?
Yes. Dr. Nguyen is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Anna Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Anna Nguyen go to medical school?
Dr. Nguyen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2018.
What drugs does Dr. Anna Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Cefdinir, Amoxicillin-Clavulanate Potass and Ondansetron ODT.
How long has Dr. Anna Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Anna Nguyen accept?
Dr. Nguyen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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