Dr. Danny Hai Nguyen, DO
- Medicare services, 2024
- 701
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 280
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 36485 Inland Valley Dr, Wildomar, CA 92595
- Practice phone
- Call (610) 768-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Healthcare Inland Valley Hospital
Wildomar, 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. Danny Hai Nguyen is an internist in Wildomar, California
Dr. Nguyen practices at Southwest Healthcare Inland Valley Hospital in Wildomar, California.
Dr. Nguyen's NPI, 1073046926, was assigned on April 7, 2017. Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017. Dr. Nguyen holds California license 20A17628.
- NPI
- 1073046926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638432503
- NPI enumeration date
- April 7, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 768-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danny Hai Nguyen practices at Southwest Healthcare Inland Valley Hospital in Wildomar, California
Dr. Nguyen's primary practice is Southwest Healthcare Inland Valley Hospital, at 36485 Inland Valley Dr, Wildomar, CA 92595 in Riverside County. The practice phone is (610) 768-3300.
- Southwest Healthcare Inland Valley Hospital36485 Inland Valley Dr, Wildomar, CA 92595 · Riverside CountyPhone(610) 768-3300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Danny Hai Nguyen is affiliated with 3 sites of care and 2 medical groups
Dr. Nguyen's primary practice is Southwest Healthcare Inland Valley Hospital in Wildomar, California. Dr. Nguyen is also affiliated with Southwest Healthcare Rancho Springs Hospital. The medical group on file is Acute Care Associates. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic 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. Danny Hai 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 |
|---|---|
| Southwest Healthcare Inland Valley Hospital | 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. Danny Hai 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 board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Nevada license
Clinical focus
Dmand AI lists acute respiratory failure, atrial fibrillation and flutter, cardiac arrhythmia, cellulitis, chest pain, chronic diabetes, circulatory problems in extremities and congestive heart failure 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. Danny Hai Nguyen billed Medicare for 701 services in 2024
CMS data shows 701 Medicare services from Dr. Nguyen across 7 procedure codes in 2024, for 311 Medicare patients. Medicare paid $52,636 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: 4452024: 70158%
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 701vs 36194% above
- Medicare patients
- 311vs 1512.1 times
- Part D claims
- 83vs 42180% below
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.
Need commercial claims for Dr. Nguyen?
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. Danny Hai Nguyen treated 311 Medicare patients in 2024, average age 76
CMS counts 311 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.74, 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 71, with 49% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women17556%
- Men13644%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Arthritis50%
- Chronic kidney disease47%
- Heart failure46%
- Ischemic heart disease46%
- Mood disorders44%
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 71
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Danny Hai Nguyen wrote 280 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 280 Medicare Part D claims for 108 patients. 89% of them were for generic drugs. CMS names the drug for 83 of them, across 6 drugs with 11 or more claims each, at $531 in total drug cost. In 2022, CMS named 24 claims across 2 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic248 claims89%
- Brand-name32 claims11%
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
- Opioids5%14 of 280 claims
- Antibiotics20%56 of 280 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 242024: 83246%
Drugs named by CMS: 6 in 2024, 2 in 2022.
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. Danny Hai 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. Danny Hai Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen in 2020. Dr. Nguyen's most frequent co-authors are Banreet Singh Dhindsa, Ranjit Singh Makar, MD and Mohamad Ismail Mubder, MD.
Dr. Nguyen's most frequent co-authors
- Banreet Singh Dhindsa1 shared paper
- Ranjit Singh Makar, MD1 shared paper
- Mohamad Ismail Mubder, MD1 shared paper
Recent publications by Dr. Nguyen
See who Dr. Nguyen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Danny Hai Nguyen received $271 in industry payments from 2017 to 2021
CMS Open Payments shows 10 general payments to Dr. Nguyen from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $120.
General payments to Dr. Nguyen by program year, 2017 to 2021
Companies that paid Dr. Nguyen the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Danny Hai Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Danny Hai Nguyen accepts plans from 3 insurance carriers
Dr. Nguyen is in network with 3 carriers, including CMS Medicare, Molina and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
- NV State Medicaid
Plan types Dr. Nguyen accepts, by number of carriers
- Medicare2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Danny Hai 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Danny Hai 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. Danny Hai Nguyen's NPI number?
Dr. Danny Hai Nguyen's NPI number is 1073046926. It was assigned on April 7, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Danny Hai Nguyen?
Dr. Danny Hai Nguyen is an internist in Wildomar, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Danny Hai Nguyen practice?
Dr. Nguyen practices at 36485 Inland Valley Dr, Wildomar, CA 92595. Dr. Nguyen's primary practice is Southwest Healthcare Inland Valley Hospital in Wildomar, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic and 1 medical group.
What is Dr. Danny Hai Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (610) 768-3300.
What is Dr. Danny Hai Nguyen's medical license number?
Dr. Nguyen holds California license 20A17628, one of the licenses on file in 2 states.
Which states has Dr. Danny Hai Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (2019 to 2027) and Nevada (2017 to 2020).
Which hospitals is Dr. Danny Hai Nguyen affiliated with?
Dr. Nguyen is affiliated with Southwest Healthcare Rancho Springs Hospital.
What medical group is Dr. Danny Hai Nguyen part of?
Dr. Nguyen is linked to Acute Care Associates. Dmand AI links Dr. Nguyen to 1 more medical group.
Does Dr. Danny Hai Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 701 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Danny Hai Nguyen see?
CMS counts 311 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Danny Hai Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Danny Hai Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Where did Dr. Danny Hai Nguyen go to medical school?
Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017.
What drugs does Dr. Danny Hai Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Albuterol Sulfate Hfa, Cefdinir and Prednisone.
Has Dr. Danny Hai Nguyen received payments from drug or device companies?
CMS Open Payments shows $271 in general payments to Dr. Nguyen from 3 companies from 2017 to 2021. The largest total came from Pfizer Inc.
How long has Dr. Danny Hai Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2017, 9 years ago.
Does Dr. Danny Hai Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Danny Hai Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Banreet Singh Dhindsa (1 shared paper), Ranjit Singh Makar, MD (1 shared paper) and Mohamad Ismail Mubder, MD (1 shared paper).
What insurance does Dr. Danny Hai Nguyen accept?
Dr. Nguyen is in network with 3 carriers, including CMS Medicare, Molina and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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