Int J Clin Pract
Dr. Hong Phuc Nguyen, DO
- Part D claims, 2024
- 8,134
- Publications
- 1
- Affiliated sites
- 3
- Medical group
- 1
- Insurance carriers
- 9
- Practice address
- 44469 10th W St, Lancaster, CA 93534
- Practice phone
- Call (818) 654-3463
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heritage Sierra Medical Group - Lancaster Walk-In Clinic
Urgent Care Center · Lancaster, 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. Hong Phuc Nguyen is an internist in Lancaster, California
Dr. Nguyen practices at Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California.
Dr. Nguyen's NPI, 1992995997, was assigned on July 26, 2007. Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2007. Dr. Nguyen holds California license 20A11360.
- NPI
- 1992995997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810176724
- NPI enumeration date
- July 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 654-3463
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hong Phuc Nguyen practices at Heritage Sierra Medical Group - Lancaster Walk-in Clinic in Lancaster, California
Dr. Nguyen's primary practice is Heritage Sierra Medical Group - Lancaster Walk-in Clinic, at 44469 10th W St, Lancaster, CA 93534. The practice phone is (818) 654-3463.
- Heritage Sierra Medical Group - Lancaster Walk-in Clinic44469 10th W St, Lancaster, CA 93534Phone(818) 654-3463
Source: Dmand AI Affiliation Data
Dr. Hong Phuc Nguyen is affiliated with 3 sites of care and 1 medical group
Dr. Nguyen's primary practice is Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California. The medical group on file is Sierra Medical Group. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic and 1 hospice, each named with a free account. Dr. Nguyen's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hong Phuc 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 |
|---|---|
| Heritage Sierra Medical Group - Lancaster Walk-In Clinic | 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. Hong Phuc 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 AOA Board of Internal Medicine. Dmand AI has Dr. Nguyen's licenses on file in 3 states: California, Michigan and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Michigan license
- Texas license
Clinical focus
Dmand AI lists UTI 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. Hong Phuc Nguyen's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 66, with 52% 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 66
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Hong Phuc Nguyen wrote 8,134 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 8,134 Medicare Part D claims for 480 patients. 91% of them were for generic drugs. CMS names the drug for 7,513 of them, across 124 drugs with 11 or more claims each, at $506,570 in total drug cost.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic7,402 claims91%
- Brand-name700 claims9%
- Other32 claims0%
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
- Opioids3%278 of 8,134 claims
- Antibiotics1%61 of 8,134 claims
- Antipsychotics, patients 65 and over0%37 of 8,134 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Hong Phuc 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. Hong Phuc Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen. Dr. Nguyen's most frequent co-author is Dung Q. Pham, MD.
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hong Phuc Nguyen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Nguyen, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Nguyen
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Hong Phuc Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2007. Dr. Nguyen is a member of AOA.
- Medical school
- Board certified in internal medicine
- Board certified in 2010 - 2027
- Board certified in 2009 - 2028
- Board certified in 2010 - 2026
Source: Dmand AI Professional Profile Data
Dr. Hong Phuc Nguyen accepts plans from 9 insurance carriers
Dr. Nguyen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Nguyen accepts, by number of carriers
- Medicare6
- HMO4
- PPO4
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Hong Phuc 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 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 |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Hong Phuc 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. Hong Phuc Nguyen's NPI number?
Dr. Hong Phuc Nguyen's NPI number is 1992995997. It was assigned on July 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Hong Phuc Nguyen?
Dr. Hong Phuc Nguyen is an internist in Lancaster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hong Phuc Nguyen practice?
Dr. Nguyen practices at 44469 10th W St, Lancaster, CA 93534. Dr. Nguyen's primary practice is Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic and 1 hospice.
What is Dr. Hong Phuc Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (818) 654-3463.
What is Dr. Hong Phuc Nguyen's medical license number?
Dr. Nguyen holds California license 20A11360, one of the licenses on file in 3 states.
Which states has Dr. Hong Phuc Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California, Michigan and Texas.
What medical group is Dr. Hong Phuc Nguyen part of?
Dr. Nguyen is linked to Sierra Medical Group.
Does Dr. Hong Phuc Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Is Dr. Hong Phuc Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the AOA Board of Internal Medicine.
Where did Dr. Hong Phuc Nguyen go to medical school?
Dr. Nguyen graduated from WesternU College of Osteopathic Medicine of the Pacific in 2007.
Show 5 more questionsShow fewer questions
What drugs does Dr. Hong Phuc Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Midodrine HCl.
How long has Dr. Hong Phuc Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2007, 19 years ago.
Does Dr. Hong Phuc Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Hong Phuc Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Dung Q. Pham, MD (1 shared paper).
What insurance does Dr. Hong Phuc Nguyen accept?
Dr. Nguyen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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