Dr. Viola Chen, MD
- Medicare services, 2024
- 119
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 2,339
- Industry payments
- $3,048
- Affiliated sites
- 1
- Practice address
- 300 20th N Ave, Nashville, TN 37203
- Practice phone
- Call (615) 284-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The GYN Center
Nashville, Tennessee
Find Dr. Chen'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. Viola Chen is a family medicine physician in Nashville, Tennessee
Dr. Chen practices at The GYN Center in Nashville, Tennessee.
Dr. Chen's NPI, 1245299411, was assigned on March 17, 2006. Dr. Chen holds Tennessee license 29213.
- NPI
- 1245299411NPI Registry (opens in a new tab)
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Practice phone
- (615) 284-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Viola Chen practices at The GYN Center in Nashville, Tennessee
Dr. Chen's primary practice is The GYN Center, at 300 20th N Ave, Nashville, TN 37203 in Davidson County. The practice phone is (615) 284-1500.
- The GYN Center300 20th N Ave, Nashville, TN 37203 · Davidson CountyPhone(615) 284-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Viola Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is The GYN Center in Nashville, Tennessee. The medical group on file is Ascension Saint Thomas Medical Partners. Dmand AI also links Dr. Chen to 1 more community health center, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Viola Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The GYN Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Viola Chen is one of 2,430 family medicine physicians in Tennessee
Family medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chen is licensed in Tennessee.
Specialties and state licenses
- Family medicine, TennesseePrimary
Family medicine physicians near Dr. Chen
Counts of family 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. Viola Chen billed Medicare for 119 services in 2024
CMS data shows 119 Medicare services from Dr. Chen across 3 procedure codes in 2024, for 42 Medicare patients. Medicare paid $3,307 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 692024: 736%
- Lab and pathology
- 2023: 212024: 2310%
- Other services
- 2023: 372024: 2338%
Dr. Chen compared with the Tennessee median for family medicine physicians, 2024
- Dr. Chen
- Tennessee median
- Medicare services
- 119vs 63081% below
- Medicare patients
- 42vs 18177% below
- Part D claims
- 1,848vs 1,32240% above
Medians across 2,475 family medicine physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Chen'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Viola Chen treated 42 Medicare patients in 2024, average age 70
CMS counts 42 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 56, with 71% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women2969%
- Men1331%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Diabetes40%
- Arthritis31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Viola Chen wrote 2,339 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 2,339 Medicare Part D claims for 135 patients. 88% of them were for generic drugs. CMS names the drug for 1,848 of them, across 59 drugs with 11 or more claims each, at $71,610 in total drug cost. In 2023, CMS named 1,658 claims across 56 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic2,068 claims88%
- Brand-name and other271 claims12%
Dr. Chen'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. Chen's Part D claims, 2024
- Antibiotics2%40 of 2,339 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: 1,6582024: 1,84811%
Drugs named by CMS: 59 in 2024, 56 in 2023.
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
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Dr. Viola Chen received $3,048 in industry payments from 2016 to 2025
CMS Open Payments shows 144 general payments to Dr. Chen from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $920.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$3,035100%
- Education$130%
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Viola Chen'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Viola Chen
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 Chen's NPI number?
Dr. Viola Chen's NPI number is 1245299411. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Viola Chen?
Dr. Viola Chen is a family medicine physician in Nashville, Tennessee. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Viola Chen practice?
Dr. Chen practices at 300 20th N Ave, Nashville, TN 37203. Dr. Chen's primary practice is The GYN Center in Nashville, Tennessee. Dmand AI also links Dr. Chen to 1 community health center.
What is Dr. Viola Chen's office phone number?
The practice phone on file for Dr. Chen is (615) 284-1500.
What is Dr. Viola Chen's medical license number?
Dr. Chen holds Tennessee license 29213.
What medical group is Dr. Viola Chen part of?
Dr. Chen is linked to Ascension Saint Thomas Medical Partners.
Does Dr. Viola Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 119 services in 2024.
How many Medicare patients does Dr. Viola Chen see?
CMS counts 42 Medicare patients who saw Dr. Chen in 2024, with an average age of 70.
What services does Dr. Viola Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), lab and pathology test (83036) and medicare service (G0439).
What drugs does Dr. Viola Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Albuterol Sulfate Hfa, Rosuvastatin Calcium and Azelastine HCl.
Has Dr. Viola Chen received payments from drug or device companies?
CMS Open Payments shows $3,048 in general payments to Dr. Chen from 21 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Viola Chen been practicing?
Dr. Chen graduated from medical school in 1995, 31 years ago.
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