Dr. Uyen-Chi N. Huynh, MD

  • Concord, CA
  • Internist
NPI1205271335PAC ID2961798277
Medicare services, 2024
3,474
Medicare patients, 2024
514
Part D claims, 2024
4,315
MIPS score, 2024
90
Hospital affiliations
3
Practice address
2540 East St, Concord, CA 94520
Practice phone
Call (925) 682-8200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Concord Medical Center

Hospital · Concord, California

See all 22 affiliations

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Dr. Uyen-Chi N. Huynh is an internist in Concord, California

Dr. Huynh practices at Concord Medical Center in Concord, California, part of John Muir Health.

Dr. Huynh's NPI, 1205271335, was assigned on May 2, 2013. Dr. Huynh graduated from St. George's University School of Medicine in 2013. Dr. Huynh holds California license A138368.

NPI and contact details
Medicare PAC ID
2961798277
NPI enumeration date
May 2, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 682-8200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
39
Medical school graduation
2013

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

Dr. Uyen-Chi N. Huynh practices at Concord Medical Center in Concord, California

Dr. Huynh's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.

Source: Dmand AI Affiliation Data

Dr. Uyen-Chi N. Huynh is affiliated with 17 sites of care and 5 medical groups

Dr. Huynh's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dr. Huynh is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Health. Dmand AI also links Dr. Huynh to 1 more hospital, 5 group practices and clinics, 5 skilled nursing facilities, 4 medical groups, 3 home health agencies and 1 physician office, each named with a free account.

See all 22 affiliations for Dr. Huynh

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

Dmand AI tracks the EHR system at Dr. Uyen-Chi N. Huynh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huynh practices, 17 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Concord Medical CenterAvailable with a free account
+16 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Uyen-Chi N. 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 is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A138368 · 2015 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute respiratory failure, alcohol use disorders, arthritis, cardiac arrhythmia, cellulitis, cerebrovascular disease, chest trauma and chronic diabetes 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. Uyen-Chi N. Huynh billed Medicare for 3,474 services in 2024

CMS data shows 3,474 Medicare services from Dr. Huynh across 14 procedure codes in 2024, for 514 Medicare patients. Medicare paid $328,717 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20243,474
Medicare patients514
Paid by Medicare$328,717
Procedure codes14

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

  • 2023
  • 2024
Office and hospital visits
2023: 3,7172024: 3,4747%

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

  • Dr. Huynh
  • California median
Medicare services
3,474vs 3619.6 times
Medicare patients
514vs 1513.4 times
Part D claims
3,604vs 4218.6 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

Need commercial claims for Dr. Huynh?

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

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

Dr. Uyen-Chi N. Huynh treated 514 Medicare patients in 2024, average age 78

CMS counts 514 Medicare patients who saw Dr. Huynh in 2024. The largest group is 75 to 84, with 176 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 59% are also on Medicaid. Their average risk score is 2.86, 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 48% women.

Medicare patients, 2024514
Average age78
Average risk score2.86
Also on Medicaid59%

Dr. Huynh's Medicare patients by age, 2024

Dr. Huynh's Medicare patients by sex, 2024

  • Women27754%
  • Men23746%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes54%
  4. Chronic kidney disease53%
  5. Mood disorders52%
  6. Arthritis50%
  7. Depression48%
  8. Heart failure42%

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

  • Women48%
  • Men48%

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

Dr. Uyen-Chi N. Huynh wrote 4,315 Medicare Part D claims in 2024

In 2024, Dr. Huynh wrote 4,315 Medicare Part D claims for 231 patients. 81% of them were for generic drugs. CMS names the drug for 3,604 of them, across 103 drugs with 11 or more claims each, at $199,841 in total drug cost. In 2023, CMS named 1,315 claims across 45 drugs.

Part D claims, 20244,315
Drugs named by CMS103
Total drug cost$199,841
Part D patients231

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

  • Generic3,476 claims81%
  • Brand-name and other839 claims19%

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

  • Opioids5%208 of 4,315 claims
  • Antibiotics4%173 of 4,315 claims
  • Antipsychotics, patients 65 and over2%105 of 4,315 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: 1,3152024: 3,604174%

Drugs named by CMS: 103 in 2024, 45 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. Uyen-Chi N. Huynh scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 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

  • 90of 100Final score
  • 89.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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. Uyen-Chi N. Huynh received $231 in industry payments from 2016 to 2019

CMS Open Payments shows 10 general payments to Dr. Huynh from 6 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 57% of the total. Astellas Pharma US Inc paid the most, $99.

General payments to Dr. Huynh by program year, 2016 to 2019

General payments to Dr. Huynh by kind, 2016 to 2019

$231in total
  • Food and beverage$13257%
  • Education$9943%

Companies that paid Dr. Huynh the most, 2016 to 2019

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. Uyen-Chi N. Huynh graduated from St. George's University School of Medicine

Dr. Huynh graduated from St. George's University School of Medicine in 2013.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Uyen-Chi N. Huynh accepts plans from 12 insurance carriers

Dr. Huynh is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Huynh accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Uyen-Chi N. 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 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 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)
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. Uyen-Chi N. 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. Uyen-Chi N. Huynh's NPI number?

Dr. Uyen-Chi N. Huynh's NPI number is 1205271335. It was assigned on May 2, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Uyen-Chi N. Huynh?

Dr. Uyen-Chi N. Huynh is an internist in Concord, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Uyen-Chi N. Huynh practice?

Dr. Huynh practices at 2540 East St, Concord, CA 94520. Dr. Huynh's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dmand AI also links Dr. Huynh to 1 hospital, 5 group practices and clinics, 5 skilled nursing facilities, 4 medical groups, 3 home health agencies and 1 physician office.

What is Dr. Uyen-Chi N. Huynh's office phone number?

The practice phone on file for Dr. Huynh is (925) 682-8200.

What is Dr. Uyen-Chi N. Huynh's medical license number?

Dr. Huynh holds California license A138368.

Which hospitals is Dr. Uyen-Chi N. Huynh affiliated with?

Dr. Huynh practices at Concord Medical Center in Concord, California. Dr. Huynh is also affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Huynh to 1 more hospital.

What medical group is Dr. Uyen-Chi N. Huynh part of?

Dr. Huynh is linked to John Muir Health. Dmand AI links Dr. Huynh to 4 more medical groups.

Does Dr. Uyen-Chi N. Huynh accept Medicare?

Yes. CMS data shows Dr. Huynh billed Medicare for 3,474 services in 2024, and Dr. Huynh accepts Medicare assignment.

What is Dr. Uyen-Chi N. Huynh's MIPS score?

Dr. Huynh's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Uyen-Chi N. Huynh see?

CMS counts 514 Medicare patients who saw Dr. Huynh in 2024, with an average age of 78.

Show 7 more questionsShow fewer questions

Is Dr. Uyen-Chi N. Huynh board certified?

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

What services does Dr. Uyen-Chi N. Huynh bill to Medicare?

In 2024, Dr. Huynh's most billed Medicare services were nursing facility care (99308), nursing facility care (99309) and nursing facility care (99310).

Where did Dr. Uyen-Chi N. Huynh go to medical school?

Dr. Huynh graduated from St. George's University School of Medicine in 2013.

What drugs does Dr. Uyen-Chi N. Huynh prescribe most?

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

Has Dr. Uyen-Chi N. Huynh received payments from drug or device companies?

CMS Open Payments shows $231 in general payments to Dr. Huynh from 6 companies from 2016 to 2019. The largest total came from Astellas Pharma US Inc.

How long has Dr. Uyen-Chi N. Huynh been practicing?

Dr. Huynh graduated from medical school in 2013, 13 years ago.

What insurance does Dr. Uyen-Chi N. Huynh accept?

Dr. Huynh is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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