Dr. Frederic Nha Nguyen, MD

  • Richardson, TX
  • Neurologist
NPI1528293628PAC ID1759502768
Medicare services, 2024
13,021
Medicare patients, 2024
458
Part D claims, 2024
1,114
Publications
9
MIPS score, 2024
72
Practice address
2821 E President George Bush Hwy Suite 303 Suite 303, Richardson, TX 75082-4280
Practice phone
Call (214) 540-1400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fnn Neurology

Multi-specialty group site · Richardson, Texas

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Dr. Frederic Nha Nguyen is a neurologist in Richardson, Texas

Dr. Nguyen practices at Fnn Neurology in Richardson, Texas.

Dr. Nguyen's NPI, 1528293628, was assigned on May 19, 2009. Dr. Nguyen graduated from University Of Florida College Of Medicine in 2009. Dr. Nguyen holds Texas license P1905.

NPI and contact details
Medicare PAC ID
1759502768
NPI enumeration date
May 19, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(214) 540-1400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Frederic Nha Nguyen practices at Fnn Neurology in Richardson, Texas

Dr. Nguyen's primary practice is Fnn Neurology, at 2821 E President George Bush Hwy Suite 303 Suite 303, Richardson, TX 75082-4280. The practice phone is (214) 540-1400.

  • Fnn Neurology
    2821 E President George Bush Hwy Suite 303 Suite 303, Richardson, TX 75082-4280Phone(214) 540-1400

Source: Dmand AI Affiliation Data

Dr. Frederic Nha Nguyen is affiliated with 2 sites of care and 1 medical group

Dr. Nguyen's primary practice is Fnn Neurology in Richardson, Texas. Dr. Nguyen is also affiliated with Methodist Richardson Medical Center. The medical group on file is Focus NeuroHealth.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Frederic Nha Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fnn NeurologyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Frederic Nha Nguyen is one of 1,226 neurologists in Texas

Neurology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Nguyen is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Nguyen's licenses on file in 2 states: Texas and Florida.

Specialties and state licenses

  • Neurology, TexasPrimaryLicense P1905 · 2012 to 2027 · taxonomy 2084N0400X
  • Florida licenseLicense ME108181 · 2010 to 2027

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor and fibromyalgia and chronic pain among the conditions Dr. Nguyen treats.

Neurologists near Dr. Nguyen

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

1,226neurologists in Texas
4neurologists in Richardson

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Frederic Nha Nguyen billed Medicare for 13,021 services in 2024

CMS data shows 13,021 Medicare services from Dr. Nguyen across 24 procedure codes in 2024, for 458 Medicare patients. Medicare paid $244,073 for them.

Medicare services, 202413,021
Medicare patients458
Paid by Medicare$244,073
Procedure codes24

Dr. Nguyen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 39,4612024: 10,91072%
Office and hospital visits
2023: 1,5262024: 1,4137%
Other services
2023: 3,1402024: 34089%
Surgery
2023: 632024: 184192%
Tests and treatments
2023: 1702024: 1742%
Imaging
2023: 412024: 0100%

Where Dr. Nguyen's Medicare services took place, 2024

  • In an office12,47996%
  • In a facility5424%

Dr. Nguyen compared with the Texas median for neurologists, 2024

  • Dr. Nguyen
  • Texas median
Medicare services
13,021vs 45928.4 times
Medicare patients
458vs 23297% above
Part D claims
937vs 48095% above

Medians across 1,116 neurologists in Texas 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.

See all procedures by Dr. Nguyen

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

Dr. Frederic Nha Nguyen treated 458 Medicare patients in 2024, average age 76

CMS counts 458 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 179 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.66, 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 68, with 57% women.

Medicare patients, 2024458
Average age76
Average risk score1.66
Also on Medicaid12%

Dr. Nguyen's Medicare patients by age, 2024

Dr. Nguyen's Medicare patients by sex, 2024

  • Women23952%
  • Men21948%

Chronic conditions among Dr. Nguyen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Alzheimer's and dementia37%
  5. Mood disorders37%
  6. Stroke or TIA36%
  7. Diabetes35%
  8. Ischemic heart disease35%

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 68

Patient panel by sex, all payers

  • Women57%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Frederic Nha Nguyen wrote 1,114 Medicare Part D claims in 2024

In 2024, Dr. Nguyen wrote 1,114 Medicare Part D claims for 323 patients. 92% of them were for generic drugs. CMS names the drug for 937 of them, across 25 drugs with 11 or more claims each, at $87,543 in total drug cost. In 2023, CMS named 1,050 claims across 28 drugs.

Part D claims, 20241,114
Drugs named by CMS25
Total drug cost$87,543
Part D patients323

Dr. Nguyen's Part D claims by kind of drug, 2024

  • Generic1,027 claims92%
  • Brand-name and other87 claims8%

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

  • Antipsychotics, patients 65 and over3%29 of 1,114 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: 1,0502024: 93711%

Drugs named by CMS: 25 in 2024, 28 in 2023.

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. Frederic Nha Nguyen scored 72 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 72 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. CMS lists Dr. Nguyen as offering telehealth. CMS counts 32 procedures of skin biopsy by Dr. Nguyen, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Nguyen's MIPS scores, performance year 2024

  • 72of 100Final score
  • 44.2of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Nguyen ranks in Medicare procedure volume

Skin biopsy
66th percentile32 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Frederic Nha Nguyen has 9 publications on record

Dmand AI links 9 papers to Dr. Nguyen, published from 2007 to 2013. 2013 was the busiest year, with 3. The most frequent topics are Magnetic Resonance Imaging and Obsessive-Compulsive Disorder. Dr. Nguyen has published most often in Neurohospitalist. Dr. Nguyen's most frequent co-authors are Vivek Misra, MD, Michael Scott Okun, MD and Mya C. Schiess, MD.

Papers9
Years published2007 to 2013

Topics Dr. Nguyen writes about most

  • Magnetic Resonance Imaging
  • Obsessive-Compulsive Disorder

Dr. Nguyen's most frequent co-authors

Recent publications by Dr. Nguyen

See all 9 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 neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Frederic Nha Nguyen received $402,470 in industry payments from 2016 to 2025

CMS Open Payments shows 1,436 general payments to Dr. Nguyen from 79 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 76% of the total. Abbvie Inc. paid the most, $148,157. It also lists 1 research payment totaling $490 in 2020.

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

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

$402.5Kin total
  • Speaker and faculty fees$305,38676%
  • Consulting fees$33,9738%
  • Food and beverage$25,2876%
  • Travel and lodging$24,1096%
  • Other$13,7153%

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. Frederic Nha Nguyen has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Nguyen, most recently D Magazine Best Doctors in 2023.

Awards and honors for Dr. Nguyen

  1. 2023
    • D Magazine Best Doctors
    • D Magazine Best Doctors Collin County

Source: Dmand AI Professional Profile Data

Dr. Frederic Nha Nguyen graduated from University Of Florida College Of Medicine

Dr. Nguyen graduated from University Of Florida College Of Medicine in 2009. Dr. Nguyen is a member of TMA.

  1. Medical schoolUniversity Of Florida College Of Medicine
  2. Board certified in clinical neurophysiologyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Frederic Nha Nguyen accepts plans from 24 insurance carriers

Dr. Nguyen is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Plan types Dr. Nguyen accepts, by number of carriers

  1. PPO15
  2. HMO14
  3. Medicare12
  4. POS6
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. Frederic Nha 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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Frederic Nha 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. Frederic Nha Nguyen's NPI number?

Dr. Frederic Nha Nguyen's NPI number is 1528293628. It was assigned on May 19, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Frederic Nha Nguyen?

Dr. Frederic Nha Nguyen is a neurologist in Richardson, Texas. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Frederic Nha Nguyen practice?

Dr. Nguyen practices at 2821 E President George Bush Hwy Suite 303 Suite 303, Richardson, TX 75082-4280. Dr. Nguyen's primary practice is Fnn Neurology in Richardson, Texas.

What is Dr. Frederic Nha Nguyen's office phone number?

The practice phone on file for Dr. Nguyen is (214) 540-1400.

What is Dr. Frederic Nha Nguyen's medical license number?

Dr. Nguyen holds Texas license P1905, one of the licenses on file in 2 states.

Which states has Dr. Frederic Nha Nguyen been licensed in?

Dmand AI has state licenses on file for Dr. Nguyen in Texas (2012 to 2027) and Florida (2010 to 2027).

Which hospitals is Dr. Frederic Nha Nguyen affiliated with?

Dr. Nguyen is affiliated with Methodist Richardson Medical Center.

What medical group is Dr. Frederic Nha Nguyen part of?

Dr. Nguyen is linked to Focus NeuroHealth.

Does Dr. Frederic Nha Nguyen accept Medicare?

Yes. CMS data shows Dr. Nguyen billed Medicare for 13,021 services in 2024, and Dr. Nguyen accepts Medicare assignment.

Does Dr. Frederic Nha Nguyen offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Frederic Nha Nguyen's MIPS score?

Dr. Nguyen's MIPS final score for performance year 2024 is 72 out of 100, reported individually.

How many Medicare patients does Dr. Frederic Nha Nguyen see?

CMS counts 458 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 76.

Is Dr. Frederic Nha Nguyen board certified?

Yes. Dr. Nguyen is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.

What services does Dr. Frederic Nha Nguyen bill to Medicare?

In 2024, Dr. Nguyen's most billed Medicare services were injected or infused drug (J0585), medicare service (G2211) and hospital inpatient care (99233).

Where did Dr. Frederic Nha Nguyen go to medical school?

Dr. Nguyen graduated from University Of Florida College Of Medicine in 2009.

What drugs does Dr. Frederic Nha Nguyen prescribe most?

In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Memantine HCl, Donepezil HCl and Primidone.

Has Dr. Frederic Nha Nguyen received payments from drug or device companies?

CMS Open Payments shows $402,470 in general payments to Dr. Nguyen from 79 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Frederic Nha Nguyen been practicing?

Dr. Nguyen graduated from medical school in 2009, 17 years ago.

Does Dr. Frederic Nha Nguyen do research?

Dmand AI links 9 publications to Dr. Nguyen, published from 2007 to 2013.

Who does Dr. Frederic Nha Nguyen publish with?

Dr. Nguyen's most frequent co-authors are Vivek Misra, MD (2 shared papers), Michael Scott Okun, MD (2 shared papers) and Mya C. Schiess, MD (1 shared paper).

What insurance does Dr. Frederic Nha Nguyen accept?

Dr. Nguyen is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

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