Dr. Wally Chau Huynh, MD
- Medicare services, 2024
- 1,118
- Medicare patients, 2024
- 822
- Part D claims, 2024
- 150
- MIPS score, 2024
- 83
- Hospital affiliations
- 3
- Practice address
- 400 W Mineral King Ave, Visalia, CA 93291
- Practice phone
- Call (559) 624-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Huynh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Wally Chau Huynh is an internist in Visalia, California
Dr. Huynh practices at Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District.
Dr. Huynh's NPI, 1184895989, was assigned on March 19, 2008. Dr. Huynh graduated from Ross University School of Medicine in 2005. Dr. Huynh holds California license A106097.
- NPI
- 1184895989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143365577
- NPI enumeration date
- March 19, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 624-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wally Chau Huynh practices at Kaweah Health Medical Center in Visalia, California
Dr. Huynh's primary practice is Kaweah Health Medical Center, at 400 W Mineral King Ave, Visalia, CA 93291 in Tulare County. The practice phone is (559) 624-2000.
- Kaweah Health Medical Center400 W Mineral King Ave, Visalia, CA 93291 · Tulare CountyPhone(559) 624-2000
Source: Dmand AI Affiliation Data
Dr. Wally Chau Huynh is affiliated with 3 sites of care and 1 medical group
Dr. Huynh's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. Dr. Huynh is also affiliated with Adventist Health Hanford. The medical group on file is Valley Hospitalist Medical Group. Dmand AI also links Dr. Huynh to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wally Chau Huynh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huynh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaweah Health Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaweah Delta Health Care District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Wally Chau 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 licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, congestive heart failure, dementia, gastrointestinal bleeding, heart attack, kidney failure, kidney stones and sepsis 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. Wally Chau Huynh billed Medicare for 1,118 services in 2024
CMS data shows 1,118 Medicare services from Dr. Huynh across 7 procedure codes in 2024, for 822 Medicare patients. Medicare paid $113,722 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Huynh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0282024: 1,1189%
Dr. Huynh compared with the California median for internists, 2024
- Dr. Huynh
- California median
- Medicare services
- 1,118vs 3613.1 times
- Medicare patients
- 822vs 1515.4 times
- Part D claims
- 13vs 42197% below
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.
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.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wally Chau Huynh treated 822 Medicare patients in 2024, average age 77
CMS counts 822 Medicare patients who saw Dr. Huynh in 2024. The largest group is 75 to 84, with 289 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.71, 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 64, with 44% women.
Dr. Huynh's Medicare patients by age, 2024
Dr. Huynh's Medicare patients by sex, 2024
- Women43152%
- Men39148%
Chronic conditions among Dr. Huynh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease55%
- Diabetes54%
- Ischemic heart disease54%
- Heart failure53%
- Atrial fibrillation39%
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 64
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wally Chau Huynh wrote 150 Medicare Part D claims in 2024
In 2024, Dr. Huynh wrote 150 Medicare Part D claims for 67 patients. 87% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $126 in total drug cost. In 2020, CMS named 38 claims across 3 drugs.
Dr. Huynh's Part D claims by kind of drug, 2024
- Generic130 claims87%
- Brand-name20 claims13%
Dr. Huynh's most prescribed drugs by claims, 2022
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
- Antibiotics15%22 of 150 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, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 382022: 1366%
Drugs named by CMS: 1 in 2022, 3 in 2020.
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. Wally Chau Huynh scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 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
- 83of 100Final score
- 72.5of 100Quality
- 40of 100Improvement Activities
- 60of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Wally Chau Huynh received $1,935 in industry payments from 2016 to 2024
CMS Open Payments shows 106 general payments to Dr. Huynh from 13 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $731.
General payments to Dr. Huynh by program year, 2016 to 2024
Companies that paid Dr. Huynh the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wally Chau Huynh graduated from Ross University School of Medicine
Dr. Huynh graduated from Ross University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Wally Chau Huynh accepts plans from 10 insurance carriers
Dr. Huynh is in network with 10 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Aetna
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- EMI Health
- +2 more carriersWith a free account
Plan types Dr. Huynh accepts, by number of carriers
- PPO6
- HMO5
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Wally Chau Huynh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Wally Chau 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. Wally Chau Huynh's NPI number?
Dr. Wally Chau Huynh's NPI number is 1184895989. It was assigned on March 19, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Wally Chau Huynh?
Dr. Wally Chau Huynh is an internist in Visalia, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Wally Chau Huynh practice?
Dr. Huynh practices at 400 W Mineral King Ave, Visalia, CA 93291. Dr. Huynh's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. Dmand AI also links Dr. Huynh to 1 hospital.
What is Dr. Wally Chau Huynh's office phone number?
The practice phone on file for Dr. Huynh is (559) 624-2000.
What is Dr. Wally Chau Huynh's medical license number?
Dr. Huynh holds California license A106097.
Which hospitals is Dr. Wally Chau Huynh affiliated with?
Dr. Huynh practices at Kaweah Health Medical Center in Visalia, California. Dr. Huynh is also affiliated with Adventist Health Hanford. Dmand AI links Dr. Huynh to 1 more hospital.
What medical group is Dr. Wally Chau Huynh part of?
Dr. Huynh is linked to Valley Hospitalist Medical Group.
Does Dr. Wally Chau Huynh accept Medicare?
Yes. CMS data shows Dr. Huynh billed Medicare for 1,118 services in 2024, and Dr. Huynh accepts Medicare assignment.
What is Dr. Wally Chau Huynh's MIPS score?
Dr. Huynh's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Wally Chau Huynh see?
CMS counts 822 Medicare patients who saw Dr. Huynh in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Wally Chau Huynh bill to Medicare?
In 2024, Dr. Huynh's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and hospital inpatient care (99231).
Where did Dr. Wally Chau Huynh go to medical school?
Dr. Huynh graduated from Ross University School of Medicine in 2005.
What drugs does Dr. Wally Chau Huynh prescribe most?
In 2022 Medicare Part D data, Dr. Huynh's most prescribed drugs by claims were Metoprolol Succinate.
Has Dr. Wally Chau Huynh received payments from drug or device companies?
CMS Open Payments shows $1,935 in general payments to Dr. Huynh from 13 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Wally Chau Huynh been practicing?
Dr. Huynh graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Wally Chau Huynh accept?
Dr. Huynh is in network with 10 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card