ADAMTS13 ProteinAgingvon Willebrand Diseases
Dr. Ashley B. Nguyen, MD
NPI1770970352PAC ID6608124896
- Medicare services, 2024
- 1,044
- Medicare patients, 2024
- 352
- Part D claims, 2024
- 328
- Publications
- 1
- MIPS score, 2024
- 66
- Practice address
- One Hoag Drive, Newport Beach, CA 92663
- Practice phone
- Call (949) 764-4624
- 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. Ashley B. Nguyen is a hospitalist in Newport Beach, California
Dr. Nguyen practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.
Dr. Nguyen's NPI, 1770970352, was assigned on April 21, 2015. Dr. Nguyen holds California license A147366.
NPI and contact details
- NPI
- 1770970352NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608124896
- NPI enumeration date
- April 21, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 764-4624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ashley B. Nguyen practices at 2 locations in Newport Beach, California
Dr. Nguyen's primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Dr. Nguyen also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.
- Hoag Hospital Newport BeachPrimaryOne Hoag Drive, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
- Hoag Hospital Newport Beach1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ashley B. Nguyen is affiliated with 1 site of care and 1 medical group
Dr. Nguyen's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. The medical group on file is Pacific Hospitalist Associates.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ashley B. 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 |
|---|---|
| Hoag Hospital Newport Beach | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ashley B. 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 licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Nguyen
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
3,186hospitalists in California77hospitalists in Newport Beach75hospitalists at Hoag Hospital Newport Beach
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ashley B. Nguyen billed Medicare for 1,044 services in 2024
CMS data shows 1,044 Medicare services from Dr. Nguyen across 5 procedure codes in 2024, for 352 Medicare patients. Medicare paid $84,193 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,044
Medicare patients352
Paid by Medicare$84,193
Procedure codes5
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9652024: 1,0448%
Dr. Nguyen compared with the California median for hospitalists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 1,044vs 4302.4 times
- Medicare patients
- 352vs 20175% above
- Part D claims
- 81vs 6917% above
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. Ashley B. Nguyen treated 352 Medicare patients in 2024, average age 79
CMS counts 352 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.38, 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 51% women.
Medicare patients, 2024352
Average age79
Average risk score2.38
Also on Medicaid22%
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women16848%
- Men18452%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease47%
- Ischemic heart disease47%
- Atrial fibrillation39%
- Diabetes39%
- Heart failure36%
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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ashley B. Nguyen wrote 328 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 328 Medicare Part D claims for 156 patients. 89% of them were for generic drugs. CMS names the drug for 81 of them, across 6 drugs with 11 or more claims each, at $654 in total drug cost. In 2023, CMS named 81 claims across 5 drugs.
Part D claims, 2024328
Drugs named by CMS6
Total drug cost$654
Part D patients156
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic293 claims89%
- Brand-name and other35 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
- Opioids6%20 of 328 claims
- Antibiotics21%69 of 328 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: 812024: 81No change
Drugs named by CMS: 6 in 2024, 5 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. Ashley B. Nguyen scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Nguyen for performance year 2024, reported individually. 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
- 66of 100Final score
- 69.3of 100Quality
- 0of 100Improvement Activities
- 72of 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. Ashley B. Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen in 2023. Dr. Nguyen's most frequent co-author is Barbara A. Konkle, MD.
Papers1
Dr. Nguyen's most frequent co-authors
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 hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ashley B. Nguyen received $947 in industry payments from 2018 to 2025
CMS Open Payments shows 16 general payments to Dr. Nguyen from 6 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, $512.
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
Sources for Dr. Ashley B. 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 Affiliation DataDmand AI Practice 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) |
| 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) |
| 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. Ashley B. 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. Ashley B. Nguyen's NPI number?
Dr. Ashley B. Nguyen's NPI number is 1770970352. It was assigned on April 21, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Ashley B. Nguyen?
Dr. Ashley B. Nguyen is a hospitalist in Newport Beach, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ashley B. Nguyen practice?
Dr. Nguyen practices at One Hoag Drive, Newport Beach, CA 92663. Dr. Nguyen also practices at 1 Hoag Dr, Newport Beach, CA 92663. Dr. Nguyen's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.
What is Dr. Ashley B. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (949) 764-4624.
What is Dr. Ashley B. Nguyen's medical license number?
Dr. Nguyen holds California license A147366.
Which hospitals is Dr. Ashley B. Nguyen affiliated with?
Dr. Nguyen practices at Hoag Hospital Newport Beach in Newport Beach, California.
What medical group is Dr. Ashley B. Nguyen part of?
Dr. Nguyen is linked to Pacific Hospitalist Associates.
Does Dr. Ashley B. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 1,044 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Ashley B. Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 66 out of 100, reported individually.
How many Medicare patients does Dr. Ashley B. Nguyen see?
CMS counts 352 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 79.
Show 6 more questionsShow fewer questions
What services does Dr. Ashley B. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Ashley B. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Amoxicillin-Clavulanate Potass and Albuterol Sulfate Hfa.
Has Dr. Ashley B. Nguyen received payments from drug or device companies?
CMS Open Payments shows $947 in general payments to Dr. Nguyen from 6 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ashley B. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2015, 11 years ago.
Does Dr. Ashley B. Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Ashley B. Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Barbara A. Konkle, MD (1 shared paper).
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