Dr. Viola Huang, MD

  • Stockton, CA
  • General surgeon
NPI1114285988PAC ID7416259858
Medicare services, 2020
111
Medicare patients, 2024
17
Part D claims, 2024
202
Hospital affiliations
1
Industry payments
$6,838
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (209) 476-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Stockton, California

See all 4 affiliations

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Dr. Viola Huang is a general surgeon in Stockton, California

Dr. Huang practices at Permanente Medical Group Inc in Stockton, California.

Dr. Huang's NPI, 1114285988, was assigned on April 30, 2012. Dr. Huang graduated from Columbia University College of Physicians and Surgeons in 2012. Dr. Huang holds New York license 298707.

NPI and contact details
Medicare PAC ID
7416259858
NPI enumeration date
April 30, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 476-2000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
40
Medical school graduation
2012

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

Dr. Viola Huang practices at Permanente Medical Group Inc in Stockton, California

Dr. Huang's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.

  • Permanente Medical Group Inc
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000

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

Dr. Viola Huang is affiliated with 3 sites of care and 1 medical group

Dr. Huang's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Huang is also affiliated with Kaiser Permanente South Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Huang to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Huang

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

Dmand AI tracks the EHR system at Dr. Viola Huang's practice

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

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Viola Huang is one of 2,926 general surgeons in California

Surgery is Dr. Huang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Huang's licenses on file in 2 states: New York and New Hampshire.

Specialties and state licenses

  • Surgery, New YorkPrimaryLicense 298707 · taxonomy 208600000X
  • New Hampshire licenseLicense 16713

General surgeons near Dr. Huang

Counts of general surgeons 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. Viola Huang billed Medicare for 111 services in 2020

CMS data shows 111 Medicare services from Dr. Huang across 3 procedure codes in 2020, for 17 Medicare patients. Medicare paid $6,529 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2020111
Medicare patients17
Paid by Medicare$6,529
Procedure codes3

Dr. Huang's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 972020: 11114%

Dr. Huang compared with the California median for general surgeons, 2020

  • Dr. Huang
  • California median
Medicare services
111vs 16633% below
Medicare patients
17vs 12186% below
Part D claims
149vs 344.4 times

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Huang's most billed Medicare procedure codes, 2020

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. Huang

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

Dr. Viola Huang treated 17 Medicare patients in 2024, average age 72

CMS counts 17 Medicare patients who saw Dr. Huang in 2024. 75% of them have high blood pressure, and 65% have diabetes. Their average risk score is 1.72, 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. Huang's median patient age at 50, with 54% women.

Medicare patients, 202417
Average age72
Average risk score1.72

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

  1. High blood pressure75%
  2. Diabetes65%

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

Dr. Huang's patients across all payers

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

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Viola Huang wrote 202 Medicare Part D claims in 2024

In 2024, Dr. Huang wrote 202 Medicare Part D claims for 86 patients. 100% of them were for generic drugs. CMS names the drug for 149 of them, across 3 drugs with 11 or more claims each, at $1,097 in total drug cost. In 2023, CMS named 139 claims across 3 drugs.

Part D claims, 2024202
Drugs named by CMS3
Total drug cost$1,097
Part D patients86

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

  • Generic201 claims100%
  • Brand-name and other1 claims0%

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

  • Opioids31%63 of 202 claims
  • Antibiotics5%11 of 202 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: 1392024: 1497%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Huang

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

How Dr. Viola Huang takes part in Medicare

Dr. Huang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Viola Huang received $6,838 in industry payments from 2019 to 2025

CMS Open Payments shows 21 general payments to Dr. Huang from 5 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 51% of the total. Intuitive Surgical, Inc. paid the most, $3,641.

General payments to Dr. Huang by program year, 2019 to 2025

General payments to Dr. Huang by kind, 2019 to 2025

$6.8Kin total
  • Travel and lodging$3,47051%
  • Education$2,50037%
  • Food and beverage$86813%

Companies that paid Dr. Huang the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Huang

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

Dr. Viola Huang graduated from Columbia University College of Physicians and Surgeons

Dr. Huang graduated from Columbia University College of Physicians and Surgeons in 2012.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Viola Huang'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Viola Huang

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. Viola Huang's NPI number?

Dr. Viola Huang's NPI number is 1114285988. It was assigned on April 30, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Viola Huang?

Dr. Viola Huang is a general surgeon in Stockton, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Viola Huang practice?

Dr. Huang practices at 7373 West Ln, Stockton, CA 95210. Dr. Huang's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Huang to 1 group practice or clinic.

What is Dr. Viola Huang's office phone number?

The practice phone on file for Dr. Huang is (209) 476-2000.

What is Dr. Viola Huang's medical license number?

Dr. Huang holds New York license 298707, one of the licenses on file in 2 states.

Which states has Dr. Viola Huang been licensed in?

Dmand AI has state licenses on file for Dr. Huang in New York and New Hampshire.

Which hospitals is Dr. Viola Huang affiliated with?

Dr. Huang is affiliated with Kaiser Permanente South Sacramento Medical Center.

What medical group is Dr. Viola Huang part of?

Dr. Huang is linked to The Permanente Medical Group, Inc.

Does Dr. Viola Huang accept Medicare?

Yes. CMS data shows Dr. Huang billed Medicare for 111 services in 2020, and Dr. Huang accepts Medicare assignment.

How many Medicare patients does Dr. Viola Huang see?

CMS counts 17 Medicare patients who saw Dr. Huang in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Dr. Viola Huang bill to Medicare?

In 2020, Dr. Huang's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99221) and hospital inpatient care (99222).

Where did Dr. Viola Huang go to medical school?

Dr. Huang graduated from Columbia University College of Physicians and Surgeons in 2012.

What drugs does Dr. Viola Huang prescribe most?

In 2024 Medicare Part D data, Dr. Huang's most prescribed drugs by claims were Ondansetron ODT, Oxycodone HCl and Ibuprofen.

Has Dr. Viola Huang received payments from drug or device companies?

CMS Open Payments shows $6,838 in general payments to Dr. Huang from 5 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Viola Huang been practicing?

Dr. Huang graduated from medical school in 2012, 14 years ago.

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