Dr. Hong Phuc Nguyen, DO

  • Lancaster, CA
  • Internist
NPI1992995997PAC ID7810176724
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
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Social profiles

Primary practice

Heritage Sierra Medical Group - Lancaster Walk-In Clinic

Urgent Care Center · Lancaster, California

See all 4 affiliations

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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 and contact details
Medicare PAC ID
7810176724
NPI enumeration date
July 26, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 654-3463
Professional email
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Personal email
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Mobile number
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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 Clinic
    44469 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.

See all 4 affiliations for Dr. Nguyen

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.

EHR by site
SiteEHR vendor and product
Heritage Sierra Medical Group - Lancaster Walk-In ClinicAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, CaliforniaPrimaryLicense 20A11360 · taxonomy 207R00000X
  • Michigan licenseLicense 5101017225
  • Texas licenseLicense N6536

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.

Part D claims, 20248,134
Drugs named by CMS124
Total drug cost$506,570
Part D patients480

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.

See all prescribing by Dr. Nguyen

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)

For MedTech and pharma teams

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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.

Papers1

Dr. Nguyen's most frequent co-authors

Recent publications by Dr. Nguyen

See all 1 publications and co-authors

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.

How network discovery works

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

  1. 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.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAOA Board of Internal Medicine
  3. Board certified in 2010 - 2027CA State License
  4. Board certified in 2009 - 2028MI State License
  5. Board certified in 2010 - 2026TX State License

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

  1. Medicare6
  2. HMO4
  3. PPO4
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Hong Phuc Nguyen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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