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Dr. Nhien Hao Nguyen, MD
NPI1518144609PAC ID5395939664
- Part D claims, 2024
- 148
- Publications
- 2
- Industry payments
- $196
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Nhien Hao Nguyen is a general surgeon in San Diego, California
Dr. Nguyen practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Nguyen's NPI, 1518144609, was assigned on January 30, 2008. Dr. Nguyen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005. Dr. Nguyen holds California license A99217.
NPI and contact details
- NPI
- 1518144609NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395939664
- NPI enumeration date
- January 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nhien Hao Nguyen practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Nguyen's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nhien Hao Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.
Kaiser Permanente San Diego Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nhien Hao 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 |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nhien Hao Nguyen is one of 2,926 general surgeons in California
Surgery is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nguyen is board certified in surgery by the American Board of Surgery. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery and groin hernia surgery among the conditions Dr. Nguyen treats.
General surgeons near Dr. Nguyen
Counts of general surgeons 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. Nhien Hao Nguyen's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 61, with 61% women.
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 61
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Nhien Hao Nguyen wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 148 Medicare Part D claims for 66 patients. 94% of them were for generic drugs. CMS names the drug for 117 of them, across 3 drugs with 11 or more claims each, at $2,584 in total drug cost. In 2023, CMS named 120 claims across 3 drugs.
Part D claims, 2024148
Drugs named by CMS3
Total drug cost$2,584
Part D patients66
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic139 claims94%
- Brand-name and other9 claims6%
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
- Opioids34%51 of 148 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: 1202024: 1173%
Drugs named by CMS: 3 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
How Dr. Nhien Hao 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. Nhien Hao Nguyen has 2 publications on record
Dmand AI links 2 papers to Dr. Nguyen in 2023.
Papers2
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 general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nhien Hao Nguyen received $196 in industry payments in 2018
CMS Open Payments shows 11 general payments to Dr. Nguyen from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $196.
Companies that paid Dr. Nguyen the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nhien Hao Nguyen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Nguyen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Nhien Hao Nguyen accepts plans from 2 insurance carriers
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nhien Hao 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Nhien Hao 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. Nhien Hao Nguyen's NPI number?
Dr. Nhien Hao Nguyen's NPI number is 1518144609. It was assigned on January 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nhien Hao Nguyen?
Dr. Nhien Hao Nguyen is a general surgeon in San Diego, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nhien Hao Nguyen practice?
Dr. Nguyen practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Nguyen's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.
What is Dr. Nhien Hao Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (619) 528-5000.
What is Dr. Nhien Hao Nguyen's medical license number?
Dr. Nguyen holds California license A99217.
What medical group is Dr. Nhien Hao Nguyen part of?
Dr. Nguyen is linked to Southern California Permanente Medical Group.
Does Dr. Nhien Hao Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Is Dr. Nhien Hao Nguyen board certified?
Yes. Dr. Nguyen is board certified in surgery by the American Board of Surgery.
Where did Dr. Nhien Hao Nguyen go to medical school?
Dr. Nguyen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2005.
What drugs does Dr. Nhien Hao Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Meloxicam, Hydrocodone-Acetaminophen and Ursodiol.
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Has Dr. Nhien Hao Nguyen received payments from drug or device companies?
CMS Open Payments shows $196 in general payments to Dr. Nguyen from 1 company from 2018 to 2018. The largest total came from Abbvie Inc.
How long has Dr. Nhien Hao Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2005, 21 years ago.
Does Dr. Nhien Hao Nguyen do research?
Dmand AI links 2 publications to Dr. Nguyen.
What insurance does Dr. Nhien Hao Nguyen accept?
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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