Dr. Loc H. Nguyen, MD

  • Fontana, CA
  • Anesthesiologist
NPI1104026509PAC ID1052498516
Medicare services, 2019
21
Part D claims, 2024
13
Hospital affiliations
1
Industry payments
$1,512
Medical groups
2
Practice address
9961 Sierra Ave, Fontana, CA 92335
Practice phone
Call (909) 427-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

See all 3 affiliations

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Dr. Loc H. Nguyen is an anesthesiologist in Fontana, California

Dr. Nguyen practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

Dr. Nguyen's NPI, 1104026509, was assigned on July 23, 2007. Dr. Nguyen graduated from Ross University School of Medicine in 2003. Dr. Nguyen holds California license A94850.

NPI and contact details
Medicare PAC ID
1052498516
NPI enumeration date
July 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 427-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Loc H. Nguyen practices at Fontana Medical Center in Fontana, California

Dr. Nguyen's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.

Source: Dmand AI Affiliation Data

Dr. Loc H. Nguyen is affiliated with 1 site of care and 2 medical groups

Dr. Nguyen's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Nguyen to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Nguyen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Loc H. 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.

EHR by site
SiteEHR vendor and product
Fontana Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Loc H. Nguyen is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nguyen is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Nguyen's licenses on file in 3 states: California, Arizona and Washington.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A94850 · 2006 to 2026 · taxonomy 207L00000X
  • Arizona license2007 to 2012
  • Washington licenseLicense MD00047699 · 2007 to 2012

Anesthesiologists near Dr. Nguyen

Counts of anesthesiologists 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. Loc H. Nguyen billed Medicare for 21 services in 2019

CMS data shows 21 Medicare services from Dr. Nguyen across 1 procedure code in 2019. Medicare paid $1,976 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201921
Paid by Medicare$1,976
Procedure codes1

Dr. Nguyen compared with the California median for anesthesiologists, 2019

  • Dr. Nguyen
  • California median
Medicare services
21vs 7271% below
Part D claims
13vs 2343% below

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Dr. Nguyen's most billed Medicare procedure codes, 2019

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Nguyen

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other anesthesiologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Loc H. Nguyen's patients have a median age of 58

Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 58, with 67% 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 58

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Dr. Loc H. Nguyen wrote 13 Medicare Part D claims in 2024

In 2024, Dr. Nguyen wrote 13 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $179 in total drug cost. In 2018, CMS named 29 claims across 2 drugs.

Part D claims, 202413
Drugs named by CMS1
Total drug cost$179

Dr. Nguyen's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 292019: 1355%

Drugs named by CMS: 1 in 2019, 2 in 2018.

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

Dr. Loc H. Nguyen offers telehealth to Medicare patients

Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nguyen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Loc H. Nguyen received $1,512 in industry payments from 2016 to 2025

CMS Open Payments shows 16 general payments to Dr. Nguyen from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 59% of the total. Boston Scientific Corporation paid the most, $1,064.

General payments to Dr. Nguyen by program year, 2016 to 2025

General payments to Dr. Nguyen by kind, 2016 to 2025

$1.5Kin total
  • Food and beverage$88559%
  • Travel and lodging$62841%

Companies that paid Dr. Nguyen the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nguyen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Loc H. Nguyen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Nguyen, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Nguyen

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Loc H. Nguyen graduated from Ross University School of Medicine

Dr. Nguyen graduated from Ross University School of Medicine in 2003.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Loc H. 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

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Loc H. 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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Loc H. 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. Loc H. Nguyen's NPI number?

Dr. Loc H. Nguyen's NPI number is 1104026509. It was assigned on July 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Loc H. Nguyen?

Dr. Loc H. Nguyen is an anesthesiologist in Fontana, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Loc H. Nguyen practice?

Dr. Nguyen practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Nguyen's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dmand AI also links Dr. Nguyen to 1 medical group.

What is Dr. Loc H. Nguyen's office phone number?

The practice phone on file for Dr. Nguyen is (909) 427-5000.

What is Dr. Loc H. Nguyen's medical license number?

Dr. Nguyen holds California license A94850, one of the licenses on file in 3 states.

Which states has Dr. Loc H. Nguyen been licensed in?

Dmand AI has state licenses on file for Dr. Nguyen in California (2006 to 2026), Arizona (2007 to 2012) and Washington (2007 to 2012).

Which hospitals is Dr. Loc H. Nguyen affiliated with?

Dr. Nguyen practices at Fontana Medical Center in Fontana, California.

What medical group is Dr. Loc H. Nguyen part of?

Dr. Nguyen is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Nguyen to 1 more medical group.

Does Dr. Loc H. Nguyen accept Medicare?

Yes. CMS data shows Dr. Nguyen billed Medicare for 21 services in 2019, and Dr. Nguyen accepts Medicare assignment.

Does Dr. Loc H. Nguyen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.

Show 7 more questionsShow fewer questions

Is Dr. Loc H. Nguyen board certified?

Yes. Dr. Nguyen is board certified in anesthesiology by the American Board of Anesthesiology.

What services does Dr. Loc H. Nguyen bill to Medicare?

In 2019, Dr. Nguyen's most billed Medicare services were anesthesia (00811).

Where did Dr. Loc H. Nguyen go to medical school?

Dr. Nguyen graduated from Ross University School of Medicine in 2003.

What drugs does Dr. Loc H. Nguyen prescribe most?

In 2019 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Finasteride.

Has Dr. Loc H. Nguyen received payments from drug or device companies?

CMS Open Payments shows $1,512 in general payments to Dr. Nguyen from 7 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Loc H. Nguyen been practicing?

Dr. Nguyen graduated from medical school in 2003, 23 years ago.

What insurance does Dr. Loc H. 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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