Dr. Michael Hung Nguyen, DO
- Medicare services, 2024
- 609
- Medicare patients, 2024
- 195
- Part D claims, 2024
- 225
- Hospital affiliations
- 2
- Industry payments
- $794
- Practice address
- 3865 Jackson Street, Riverside, CA 92503
- Practice phone
- Call (951) 688-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Michael Hung Nguyen is a hospitalist in Riverside, California
Dr. Nguyen practices at Parkview Community Hospital Medical Center in Riverside, California, part of AHMC Healthcare.
Dr. Nguyen's NPI, 1366939043, was assigned on April 18, 2018. Dr. Nguyen graduated from Arizona College of Osteopathic Medicine - Glendale in 2018. Dr. Nguyen holds California license 19061.
- NPI
- 1366939043NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183012313
- NPI enumeration date
- April 18, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 688-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Michael Hung Nguyen practices at Parkview Community Hospital Medical Center in Riverside, California
Dr. Nguyen's primary practice is Parkview Community Hospital Medical Center, at 3865 Jackson Street, Riverside, CA 92503 in Riverside County. The practice phone is (951) 688-2211.
- Parkview Community Hospital Medical Center3865 Jackson Street, Riverside, CA 92503 · Riverside CountyPhone(951) 688-2211
Source: Dmand AI Affiliation Data
Dr. Michael Hung Nguyen is affiliated with 3 sites of care and 1 medical group
Dr. Nguyen's primary practice is Parkview Community Hospital Medical Center in Riverside, California, part of AHMC Healthcare. Dr. Nguyen is also affiliated with Riverside Community Hospital. The medical group on file is Riverside Community Hospital. Dmand AI also links Dr. Nguyen to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Hung Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Parkview Community Hospital Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Hung Nguyen is one of 3,186 hospitalists in California
Hospitalist is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, anemia, cardiac arrhythmia, congestive heart failure, electrolyte disorders, gastrointestinal bleeding, gastrointestinal inflammation and heart attack among the conditions Dr. Nguyen treats.
Hospitalists near Dr. Nguyen
Counts of hospitalists 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. Michael Hung Nguyen billed Medicare for 609 services in 2024
CMS data shows 609 Medicare services from Dr. Nguyen across 5 procedure codes in 2024, for 195 Medicare patients. Medicare paid $68,189 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: 4002024: 60952%
Dr. Nguyen compared with the California median for hospitalists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 609vs 43042% above
- Medicare patients
- 195vs 201Close to median
- Part D claims
- 52vs 6925% below
Medians across 2,991 hospitalists 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. Michael Hung Nguyen treated 195 Medicare patients in 2024, average age 72
CMS counts 195 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 81% are also on Medicaid. Their average risk score is 3.44, 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 58, with 49% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women10554%
- Men9046%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes59%
- Heart failure54%
- Mood disorders51%
- Chronic kidney disease49%
- Depression47%
- Arthritis42%
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 58
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. Michael Hung Nguyen wrote 225 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 225 Medicare Part D claims for 88 patients. 91% of them were for generic drugs. CMS names the drug for 52 of them, across 4 drugs with 11 or more claims each, at $251 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic204 claims91%
- Brand-name and other21 claims9%
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
- Opioids7%15 of 225 claims
- Antibiotics27%60 of 225 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: 112024: 52373%
Drugs named by CMS: 4 in 2024, 1 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. Michael Hung 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. Michael Hung Nguyen received $794 in industry payments from 2018 to 2025
CMS Open Payments shows 11 general payments to Dr. Nguyen from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $339.
General payments to Dr. Nguyen by program year, 2018 to 2025
Companies that paid Dr. Nguyen the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Hung Nguyen graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Nguyen graduated from Arizona College of Osteopathic Medicine - Glendale in 2018.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Michael Hung Nguyen accepts plans from 3 insurance carriers
Dr. Nguyen is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- Medicare3
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Hung 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) |
| 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. Michael Hung 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. Michael Hung Nguyen's NPI number?
Dr. Michael Hung Nguyen's NPI number is 1366939043. It was assigned on April 18, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Hung Nguyen?
Dr. Michael Hung Nguyen is a hospitalist in Riverside, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Michael Hung Nguyen practice?
Dr. Nguyen practices at 3865 Jackson Street, Riverside, CA 92503. Dr. Nguyen's primary practice is Parkview Community Hospital Medical Center in Riverside, California, part of AHMC Healthcare. Dmand AI also links Dr. Nguyen to 1 hospice.
What is Dr. Michael Hung Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (951) 688-2211.
What is Dr. Michael Hung Nguyen's medical license number?
Dr. Nguyen holds California license 19061.
Which hospitals is Dr. Michael Hung Nguyen affiliated with?
Dr. Nguyen practices at Parkview Community Hospital Medical Center in Riverside, California. Dr. Nguyen is also affiliated with Riverside Community Hospital.
What medical group is Dr. Michael Hung Nguyen part of?
Dr. Nguyen is linked to Riverside Community Hospital.
Does Dr. Michael Hung Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 609 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Michael Hung Nguyen see?
CMS counts 195 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 72.
Is Dr. Michael Hung Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Michael Hung Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and critical care (99291).
Where did Dr. Michael Hung Nguyen go to medical school?
Dr. Nguyen graduated from Arizona College of Osteopathic Medicine - Glendale in 2018.
What drugs does Dr. Michael Hung Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Furosemide, Amoxicillin-Clavulanate Potass and Cefdinir.
Has Dr. Michael Hung Nguyen received payments from drug or device companies?
CMS Open Payments shows $794 in general payments to Dr. Nguyen from 8 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Michael Hung Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Michael Hung Nguyen accept?
Dr. Nguyen is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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