Dr. Vivienne Ng, MD
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 119
- Publications
- 9
- MIPS score, 2024
- 93
- Medical group
- 1
- Practice address
- 1501 N Campbell Ave, Tucson, AZ 85724
- Practice phone
- Call (520) 626-2761
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Arizona
Tucson, Arizona
Find Dr. Ng's professional email, personal email and mobile number
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Dr. Vivienne Ng is an emergency medicine physician in Tucson, Arizona
Dr. Ng practices at University of Arizona in Tucson, Arizona.
Dr. Ng's NPI, 1831327584, was assigned on July 1, 2009. Dr. Ng holds Arizona license 47581.
- NPI
- 1831327584NPI Registry (opens in a new tab)
- NPI enumeration date
- July 1, 2009
- NPI status
- Active
- Practice phone
- (520) 626-2761
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Vivienne Ng practices at University of Arizona in Tucson, Arizona
Dr. Ng's primary practice is University of Arizona, at 1501 N Campbell Ave, Tucson, AZ 85724 in Pima County. The practice phone is (520) 626-2761.
- University of Arizona1501 N Campbell Ave, Tucson, AZ 85724 · Pima CountyPhone(520) 626-2761
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Vivienne Ng is affiliated with 1 site of care and 1 medical group
Dr. Ng's primary practice is University of Arizona in Tucson, Arizona. The medical group on file is Banner Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Vivienne Ng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Arizona | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vivienne Ng is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Ng's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ng is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Ng
Counts of emergency medicine physicians 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. Vivienne Ng billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Ng across 4 procedure codes in 2024, for 119 Medicare patients. Medicare paid $14,572 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 782024: 11547%
- Tests and treatments
- 2023: 322024: 359%
Dr. Ng compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Ng
- Arizona median
- Medicare services
- 150vs 21631% below
- Medicare patients
- 119vs 21043% below
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Ng'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. Ng?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ng and other emergency medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vivienne Ng treated 119 Medicare patients in 2024, average age 74
CMS counts 119 Medicare patients who saw Dr. Ng in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.85, 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. Ng's median patient age at 32, with 53% women.
Dr. Ng's Medicare patients by age, 2024
Dr. Ng's Medicare patients by sex, 2024
- Women5647%
- Men6353%
Chronic conditions among Dr. Ng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders50%
- Arthritis49%
- Depression45%
- Ischemic heart disease45%
- Chronic kidney disease43%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vivienne Ng scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Ng for performance year 2024, reported through an alternative payment model (APM).
Dr. Ng's MIPS scores, performance year 2024
- 93of 100Final score
- 74.6of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Vivienne Ng has 9 publications on record
Dmand AI links 9 papers to Dr. Ng, published from 2014 to 2025. 2016 was the busiest year, with 3. Dr. Ng has published most often in Adv Med Educ Pract. Dr. Ng's most frequent co-authors are Richard Amini, MD, Jennifer L. Plitt, MD and William J. Adamas-Rappaport, MD.
Dr. Ng's papers by year, 2014 to 2025
Dr. Ng's most frequent co-authors
- Richard Amini, MD2 shared papers
- Jennifer L. Plitt, MD2 shared papers
- William J. Adamas-Rappaport, MD1 shared paper
Recent publications by Dr. Ng
BMJ Simul Technol Enhanc Learn
See who Dr. Ng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ng works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Vivienne Ng'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Vivienne Ng
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. Vivienne Ng's NPI number?
Dr. Vivienne Ng's NPI number is 1831327584. It was assigned on July 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivienne Ng?
Dr. Vivienne Ng is an emergency medicine physician in Tucson, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Vivienne Ng practice?
Dr. Ng practices at 1501 N Campbell Ave, Tucson, AZ 85724. Dr. Ng's primary practice is University of Arizona in Tucson, Arizona.
What is Dr. Vivienne Ng's office phone number?
The practice phone on file for Dr. Ng is (520) 626-2761.
What is Dr. Vivienne Ng's medical license number?
Dr. Ng holds Arizona license 47581.
What medical group is Dr. Vivienne Ng part of?
Dr. Ng is linked to Banner Medical Group.
Does Dr. Vivienne Ng accept Medicare?
Yes. CMS data shows Dr. Ng billed Medicare for 150 services in 2024.
What is Dr. Vivienne Ng's MIPS score?
Dr. Ng's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Vivienne Ng see?
CMS counts 119 Medicare patients who saw Dr. Ng in 2024, with an average age of 74.
What services does Dr. Vivienne Ng bill to Medicare?
In 2024, Dr. Ng's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 3 more questionsShow fewer questions
How long has Dr. Vivienne Ng been practicing?
Dr. Ng's NPI was assigned in 2009.
Does Dr. Vivienne Ng do research?
Dmand AI links 9 publications to Dr. Ng, published from 2014 to 2025.
Who does Dr. Vivienne Ng publish with?
Dr. Ng's most frequent co-authors are Richard Amini, MD (2 shared papers), Jennifer L. Plitt, MD (2 shared papers) and William J. Adamas-Rappaport, MD (1 shared paper).
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