Dr. Melodie Yenchieh Chen, DO
- Medicare services, 2024
- 1,025
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 155
- Hospital affiliations
- 1
- Industry payments
- $1,236
- Practice address
- 7000 N Mo-Pac Expy, Austin, TX 78731
- Practice phone
- Call (512) 342-0900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texan Ambulatory Surgery Center, LP
Austin, Texas
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. Melodie Yenchieh Chen is an internist in Austin, Texas
Dr. Chen practices at Texan Ambulatory Surgery Center, LP in Austin, Texas.
Dr. Chen's NPI, 1639307689, was assigned on June 29, 2009. Dr. Chen graduated from Texas College of Osteopathic Medicine in 2009. Dr. Chen holds Texas license P2425.
- NPI
- 1639307689NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820246374
- NPI enumeration date
- June 29, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (512) 342-0900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melodie Yenchieh Chen practices at Texan Ambulatory Surgery Center, LP in Austin, Texas
Dr. Chen's primary practice is Texan Ambulatory Surgery Center, LP, at 7000 N Mo-Pac Expy, Austin, TX 78731 in Travis County. The practice phone is (512) 342-0900.
- Texan Ambulatory Surgery Center, LP7000 N Mo-Pac Expy, Austin, TX 78731 · Travis CountyPhone(512) 342-0900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Melodie Yenchieh Chen is affiliated with 5 sites of care and 3 medical groups
Dr. Chen's primary practice is Texan Ambulatory Surgery Center, LP in Austin, Texas. Dr. Chen is also affiliated with St. David's South Austin Medical Center. The medical group on file is Lonestar Hospital Medicine Associates, PA. Dmand AI also links Dr. Chen to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Melodie Yenchieh Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texan Ambulatory Surgery Center, LP | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Melodie Yenchieh Chen is one of 8,437 internists in Texas
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: Texas and Pennsylvania.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists acute respiratory failure, anemia, cardiac arrhythmia, chest pain, chronic hypertension, circulatory problems in extremities, congestive heart failure and electrolyte disorders among the conditions Dr. Chen treats.
Internists near Dr. Chen
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. Melodie Yenchieh Chen billed Medicare for 1,025 services in 2024
CMS data shows 1,025 Medicare services from Dr. Chen across 8 procedure codes in 2024, for 330 Medicare patients. Medicare paid $77,001 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1022024: 1,0257%
Dr. Chen compared with the Texas median for internists, 2024
- Dr. Chen
- Texas median
- Medicare services
- 1,025vs 53990% above
- Medicare patients
- 330vs 19074% above
- Part D claims
- 26vs 28991% below
Medians across 7,794 internists in Texas 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melodie Yenchieh Chen treated 330 Medicare patients in 2024, average age 76
CMS counts 330 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 126 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.56, 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. Chen's median patient age at 75, with 55% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women15146%
- Men17954%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease51%
- Heart failure43%
- Mood disorders42%
- Diabetes41%
- Atrial fibrillation40%
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 75
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Melodie Yenchieh Chen wrote 155 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 155 Medicare Part D claims for 96 patients. 94% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $77 in total drug cost. In 2023, CMS named 61 claims across 4 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic145 claims94%
- Brand-name and other10 claims6%
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
- Opioids25%39 of 155 claims
- Antibiotics18%28 of 155 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: 612024: 2657%
Drugs named by CMS: 2 in 2024, 4 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
Dr. Melodie Yenchieh Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Melodie Yenchieh Chen received $1,236 in industry payments from 2016 to 2024
CMS Open Payments shows 22 general payments to Dr. Chen from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 79% of the total. Allergan Inc. paid the most, $383.
General payments to Dr. Chen by program year, 2016 to 2024
General payments to Dr. Chen by kind, 2016 to 2024
- Food and beverage$97379%
- Grants$26321%
Companies that paid Dr. Chen 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. Melodie Yenchieh Chen graduated from Texas College of Osteopathic Medicine
Dr. Chen graduated from Texas College of Osteopathic Medicine in 2009. Dr. Chen is a member of SHM.
- Medical school
- Board certified in internal medicine
- Board certified in 2009 - 2012
- Board certified in 2012 - 2027
Source: Dmand AI Professional Profile Data
Dr. Melodie Yenchieh Chen accepts plans from 19 insurance carriers
Dr. Chen is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Elevance
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +11 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO11
- HMO10
- Medicare5
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Melodie Yenchieh 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 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) |
| 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. Melodie Yenchieh 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. Melodie Yenchieh Chen's NPI number?
Dr. Melodie Yenchieh Chen's NPI number is 1639307689. It was assigned on June 29, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Melodie Yenchieh Chen?
Dr. Melodie Yenchieh Chen is an internist in Austin, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Melodie Yenchieh Chen practice?
Dr. Chen practices at 7000 N Mo-Pac Expy, Austin, TX 78731. Dr. Chen's primary practice is Texan Ambulatory Surgery Center, LP in Austin, Texas. Dmand AI also links Dr. Chen to 3 group practices and clinics and 2 medical groups.
What is Dr. Melodie Yenchieh Chen's office phone number?
The practice phone on file for Dr. Chen is (512) 342-0900.
What is Dr. Melodie Yenchieh Chen's medical license number?
Dr. Chen holds Texas license P2425, one of the licenses on file in 2 states.
Which states has Dr. Melodie Yenchieh Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in Texas and Pennsylvania.
Which hospitals is Dr. Melodie Yenchieh Chen affiliated with?
Dr. Chen is affiliated with St. David's South Austin Medical Center.
What medical group is Dr. Melodie Yenchieh Chen part of?
Dr. Chen is linked to Lonestar Hospital Medicine Associates, PA. Dmand AI links Dr. Chen to 2 more medical groups.
Does Dr. Melodie Yenchieh Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 1,025 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Melodie Yenchieh Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Melodie Yenchieh Chen see?
CMS counts 330 Medicare patients who saw Dr. Chen in 2024, with an average age of 76.
Is Dr. Melodie Yenchieh Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Melodie Yenchieh Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
Where did Dr. Melodie Yenchieh Chen go to medical school?
Dr. Chen graduated from Texas College of Osteopathic Medicine in 2009.
What drugs does Dr. Melodie Yenchieh Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Tramadol HCl and Oxycodone HCl.
Has Dr. Melodie Yenchieh Chen received payments from drug or device companies?
CMS Open Payments shows $1,236 in general payments to Dr. Chen from 9 companies from 2016 to 2024. The largest total came from Allergan Inc.
How long has Dr. Melodie Yenchieh Chen been practicing?
Dr. Chen graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Melodie Yenchieh Chen accept?
Dr. Chen is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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