Dr. Thu Thuy Terri Huynh, MD

  • Westminster, CA
  • Internist
NPI1740343367PAC ID9638274434
Medicare services, 2024
22,768
Medicare patients, 2024
508
Part D claims, 2024
25,127
MIPS score, 2024
100
Hospital affiliations
2
Practice address
15571 Brookhurst St, Westminster, CA 92683
Practice phone
Call (714) 902-9523
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Physician Partners Medical Group, Inc.

Westminster, California

See all 8 affiliations

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Dr. Thu Thuy Terri Huynh is an internist in Westminster, California

Dr. Huynh practices at Physician Partners Medical Group, Inc. in Westminster, California.

Dr. Huynh's NPI, 1740343367, was assigned on December 18, 2006. Dr. Huynh graduated from Ross University School of Medicine in 2002. Dr. Huynh's California license number on file is A93982.

NPI and contact details
Medicare PAC ID
9638274434
NPI enumeration date
December 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 902-9523
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

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

Dr. Thu Thuy Terri Huynh practices at Physician Partners Medical Group, Inc. in Westminster, California

Dr. Huynh's primary practice is Physician Partners Medical Group, Inc., at 15571 Brookhurst St, Westminster, CA 92683 in Orange County. The practice phone is (714) 902-9523.

  • Physician Partners Medical Group, Inc.
    15571 Brookhurst St, Westminster, CA 92683 · Orange CountyPhone(714) 902-9523

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thu Thuy Terri Huynh is affiliated with 7 sites of care and 1 medical group

Dr. Huynh's primary practice is Physician Partners Medical Group, Inc. in Westminster, California. Dr. Huynh is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Physician Partners Medical Group. Dmand AI also links Dr. Huynh to 1 more hospital, 3 home health agencies and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Huynh

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thu Thuy Terri Huynh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huynh practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Physician Partners Medical Group, Inc.Available with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thu Thuy Terri Huynh is one of 16,751 internists in California

Internal medicine is Dr. Huynh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Huynh is board certified in internal medicine by the American Board of Internal Medicine. Dr. Huynh has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A93982 · 2006 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, acute kidney failure, acute mini-stroke (TIA), acute sinusitis, acute skin infection, adjustment disease and alzheimer's disease among the conditions Dr. Huynh treats.

Internists near Dr. Huynh

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. Thu Thuy Terri Huynh billed Medicare for 22,768 services in 2024

CMS data shows 22,768 Medicare services from Dr. Huynh across 28 procedure codes in 2024, for 508 Medicare patients. Medicare paid $732,774 for them. Every service was in an office.

Medicare services, 202422,768
Medicare patients508
Paid by Medicare$732,774
Procedure codes28

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

  • 2023
  • 2024
Tests and treatments
2023: 6462024: 13,4291979%
Office and hospital visits
2023: 6,6812024: 7,66815%
Other services
2023: 6352024: 94449%
Surgery
2023: 6182024: 6131%
Drugs given in the office
2023: 642024: 11478%
Lab and pathology
2023: 652024: 0100%

Dr. Huynh compared with the California median for internists, 2024

  • Dr. Huynh
  • California median
Medicare services
22,768vs 36163.1 times
Medicare patients
508vs 1513.4 times
Part D claims
24,467vs 42158.1 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Huynh'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. Huynh

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

Dr. Thu Thuy Terri Huynh treated 508 Medicare patients in 2024, average age 80

CMS counts 508 Medicare patients who saw Dr. Huynh in 2024. The largest group is 75 to 84, with 231 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 92% 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. Huynh's median patient age at 74, with 62% women.

Medicare patients, 2024508
Average age80
Average risk score1.66
Also on Medicaid92%

Dr. Huynh's Medicare patients by age, 2024

Dr. Huynh's Medicare patients by sex, 2024

  • Women31362%
  • Men19538%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease57%
  4. Diabetes50%
  5. Arthritis46%
  6. Osteoporosis40%
  7. Ischemic heart disease27%
  8. COPD24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Huynh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women62%
  • Men38%

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

Dr. Thu Thuy Terri Huynh wrote 25,127 Medicare Part D claims in 2024

In 2024, Dr. Huynh wrote 25,127 Medicare Part D claims for 844 patients. 81% of them were for generic drugs. CMS names the drug for 24,467 of them, across 213 drugs with 11 or more claims each, at $3,081,116 in total drug cost. In 2023, CMS named 22,447 claims across 203 drugs.

Part D claims, 202425,127
Drugs named by CMS213
Total drug cost$3.1M
Part D patients844

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

  • Generic20,410 claims81%
  • Brand-name4,423 claims18%
  • Other294 claims1%

Dr. Huynh'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. Huynh's Part D claims, 2024

  • Opioids0%103 of 25,127 claims
  • Antibiotics2%497 of 25,127 claims
  • Antipsychotics, patients 65 and over1%143 of 25,127 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: 22,4472024: 24,4679%

Drugs named by CMS: 213 in 2024, 203 in 2023.

See all prescribing by Dr. Huynh

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. Thu Thuy Terri Huynh scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Huynh for performance year 2024, reported as part of a group. Dr. Huynh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Huynh's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 84of 100Cost

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

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

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Dr. Thu Thuy Terri Huynh received $7,932 in industry payments from 2016 to 2025

CMS Open Payments shows 299 general payments to Dr. Huynh from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $2,006.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Huynh

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

Dr. Thu Thuy Terri Huynh has 1 award and honors on record

Dmand AI lists 1 award for Dr. Huynh, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Huynh

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Thu Thuy Terri Huynh graduated from Ross University School of Medicine

Dr. Huynh graduated from Ross University School of Medicine in 2002.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Thu Thuy Terri Huynh accepts plans from 16 insurance carriers

Dr. Huynh is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Huynh accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Thu Thuy Terri Huynh'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Thu Thuy Terri Huynh

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. Thu Thuy Terri Huynh's NPI number?

Dr. Thu Thuy Terri Huynh's NPI number is 1740343367. It was assigned on December 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thu Thuy Terri Huynh?

Dr. Thu Thuy Terri Huynh is an internist in Westminster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Thu Thuy Terri Huynh practice?

Dr. Huynh practices at 15571 Brookhurst St, Westminster, CA 92683. Dr. Huynh's primary practice is Physician Partners Medical Group, Inc. in Westminster, California. Dmand AI also links Dr. Huynh to 1 hospital, 3 home health agencies and 1 group practice or clinic.

What is Dr. Thu Thuy Terri Huynh's office phone number?

The practice phone on file for Dr. Huynh is (714) 902-9523.

What is Dr. Thu Thuy Terri Huynh's medical license number?

Dr. Huynh's California license number on file is A93982.

Which hospitals is Dr. Thu Thuy Terri Huynh affiliated with?

Dr. Huynh is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Huynh to 1 more hospital.

What medical group is Dr. Thu Thuy Terri Huynh part of?

Dr. Huynh is linked to Physician Partners Medical Group.

Does Dr. Thu Thuy Terri Huynh accept Medicare?

Yes. CMS data shows Dr. Huynh billed Medicare for 22,768 services in 2024, and Dr. Huynh accepts Medicare assignment.

What is Dr. Thu Thuy Terri Huynh's MIPS score?

Dr. Huynh's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Thu Thuy Terri Huynh see?

CMS counts 508 Medicare patients who saw Dr. Huynh in 2024, with an average age of 80.

Show 7 more questionsShow fewer questions

Is Dr. Thu Thuy Terri Huynh board certified?

Yes. Dr. Huynh is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Thu Thuy Terri Huynh bill to Medicare?

In 2024, Dr. Huynh's most billed Medicare services were allergy test or treatment (95004), office visit, established patient (99214) and special service (99091).

Where did Dr. Thu Thuy Terri Huynh go to medical school?

Dr. Huynh graduated from Ross University School of Medicine in 2002.

What drugs does Dr. Thu Thuy Terri Huynh prescribe most?

In 2024 Medicare Part D data, Dr. Huynh's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Thu Thuy Terri Huynh received payments from drug or device companies?

CMS Open Payments shows $7,932 in general payments to Dr. Huynh from 37 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Thu Thuy Terri Huynh been practicing?

Dr. Huynh graduated from medical school in 2002, 24 years ago.

What insurance does Dr. Thu Thuy Terri Huynh accept?

Dr. Huynh is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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