Arthroplasty, Replacement, KneeBiomechanical PhenomenaKnee Joint
Dr. David Quan Sun, MD
NPI1538506464PAC ID7618204686
- Medicare services, 2024
- 1,841
- Medicare patients, 2024
- 271
- Part D claims, 2024
- 1,190
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 6550 Fannin St, Houston, TX 77030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
Childrens Hospital outpatient department · Houston, Texas
Find Dr. Sun'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. David Quan Sun is an orthopedic surgeon in Houston, Texas
Dr. Sun practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.
Dr. Sun's NPI, 1538506464, was assigned on June 1, 2013. Dr. Sun graduated from UT Southwestern Medical Center in 2013. Dr. Sun holds Texas license BP10046146.
NPI and contact details
- NPI
- 1538506464NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618204686
- NPI enumeration date
- June 1, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Quan Sun practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas
Dr. Sun's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.
- Texas Children's Hospital - Mfm the Methodist Hospital - HOPD6550 Fannin St, Houston, TX 77030
Source: Dmand AI Affiliation Data
Dr. David Quan Sun is affiliated with 6 sites of care and 2 medical groups
Dr. Sun's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Sun is also affiliated with Houston Methodist Baytown Hospital. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Sun to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Texas Children's Hospital - Mfm the Methodist Hospital - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Quan Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Children's Hospital - Mfm the Methodist Hospital - HOPD | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Sun practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David Quan Sun is one of 1,394 orthopedic surgeons in Texas
Orthopaedic surgery is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Sun is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Sun's licenses on file in 2 states: Texas and Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, TexasPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists arthritis, bursitis, hip replacement, joint pain, knee fracture and dislocation, knee replacement, lower back pain and minor injury to a limb among the conditions Dr. Sun treats.
Orthopedic surgeons near Dr. Sun
Counts of orthopedic 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. David Quan Sun billed Medicare for 1,841 services in 2024
CMS data shows 1,841 Medicare services from Dr. Sun across 14 procedure codes in 2024, for 271 Medicare patients. Medicare paid $144,455 for them.
Medicare services, 20241,841
Medicare patients271
Paid by Medicare$144,455
Procedure codes14
Dr. Sun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 6752024: 74711%
- Imaging
- 2023: 3702024: 43818%
- Office and hospital visits
- 2023: 3402024: 41321%
- Surgery
- 2023: 2242024: 2438%
Where Dr. Sun's Medicare services took place, 2024
- In an office1,75695%
- In a facility855%
Dr. Sun compared with the Texas median for orthopedic surgeons, 2024
- Dr. Sun
- Texas median
- Medicare services
- 1,841vs 1,06273% above
- Medicare patients
- 271vs 24312% above
- Part D claims
- 1,148vs 2195.2 times
Medians across 1,283 orthopedic surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Sun'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. Sun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sun and other orthopedic surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Quan Sun treated 271 Medicare patients in 2024, average age 74
CMS counts 271 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 134 patients. 75% of them have arthritis, and 75% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 73, with 56% women.
Medicare patients, 2024271
Average age74
Average risk score1.39
Also on Medicaid6%
Dr. Sun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sun's Medicare patients by sex, 2024
- Women16661%
- Men10539%
Chronic conditions among Dr. Sun's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease38%
- Diabetes36%
- Chronic kidney disease31%
- Anxiety30%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Quan Sun wrote 1,190 Medicare Part D claims in 2024
In 2024, Dr. Sun wrote 1,190 Medicare Part D claims for 232 patients. 98% of them were for generic drugs. CMS names the drug for 1,148 of them, across 14 drugs with 11 or more claims each, at $28,974 in total drug cost. In 2023, CMS named 924 claims across 11 drugs.
Part D claims, 20241,190
Drugs named by CMS14
Total drug cost$28,974
Part D patients232
Dr. Sun's Part D claims by kind of drug, 2024
- Generic1,165 claims98%
- Brand-name25 claims2%
Dr. Sun'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. Sun's Part D claims, 2024
- Opioids22%261 of 1,190 claims
- Antibiotics17%199 of 1,190 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: 9242024: 1,14824%
Drugs named by CMS: 14 in 2024, 11 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. David Quan Sun ranks in the 77th percentile for knee replacement in Medicare
Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of knee replacement by Dr. Sun, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Sun ranks in Medicare procedure volume
- Knee replacement
- 77th percentile46 procedures
- Hip replacement
- 72nd percentile25 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
For MedTech and pharma teams
Find orthopedic surgeons like Dr. Sun by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David Quan Sun has 1 publication on record
Dmand AI links 1 paper to Dr. Sun in 2020. Dr. Sun's most frequent co-authors are Eric L. Hume, MD and Christopher Michael Scanlon, MD.
Papers1
Dr. Sun's most frequent co-authors
Recent publications by Dr. Sun
See who Dr. Sun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sun works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Quan Sun received $19,746 in industry payments from 2016 to 2025
CMS Open Payments shows 176 general payments to Dr. Sun from 20 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 55% of the total. Zimmer Biomet Holdings, Inc. paid the most, $6,697.
General payments to Dr. Sun by program year, 2016 to 2025
General payments to Dr. Sun by kind, 2016 to 2025
$19.7Kin total
- Travel and lodging$10,89455%
- Food and beverage$8,70644%
- Education$1461%
Companies that paid Dr. Sun the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Quan Sun graduated from UT Southwestern Medical Center
Dr. Sun graduated from UT Southwestern Medical Center in 2013.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. David Quan Sun accepts plans from 15 insurance carriers
Dr. Sun is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- +7 more carriersWith a free account
Plan types Dr. Sun accepts, by number of carriers
- Medicare11
- PPO11
- HMO9
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. David Quan Sun'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 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)Doctors and Clinicians Utilization Data (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 |
| 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. David Quan Sun
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. David Quan Sun's NPI number?
Dr. David Quan Sun's NPI number is 1538506464. It was assigned on June 1, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. David Quan Sun?
Dr. David Quan Sun is an orthopedic surgeon in Houston, Texas. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. David Quan Sun practice?
Dr. Sun practices at 6550 Fannin St, Houston, TX 77030. Dr. Sun's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dmand AI also links Dr. Sun to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. David Quan Sun's medical license number?
Dr. Sun holds Texas license BP10046146, one of the licenses on file in 2 states.
Which states has Dr. David Quan Sun been licensed in?
Dmand AI has state licenses on file for Dr. Sun in Texas (2018 to 2026) and Pennsylvania (2018 to 2021).
Which hospitals is Dr. David Quan Sun affiliated with?
Dr. Sun is affiliated with Houston Methodist Baytown Hospital. Dmand AI links Dr. Sun to 1 more hospital.
What medical group is Dr. David Quan Sun part of?
Dr. Sun is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Sun to 1 more medical group.
Does Dr. David Quan Sun accept Medicare?
Yes. CMS data shows Dr. Sun billed Medicare for 1,841 services in 2024, and Dr. Sun accepts Medicare assignment.
How many Medicare patients does Dr. David Quan Sun see?
CMS counts 271 Medicare patients who saw Dr. Sun in 2024, with an average age of 74.
Is Dr. David Quan Sun board certified?
Yes. Dr. Sun is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 8 more questionsShow fewer questions
What services does Dr. David Quan Sun bill to Medicare?
In 2024, Dr. Sun's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and diagnostic imaging (73562).
Where did Dr. David Quan Sun go to medical school?
Dr. Sun graduated from UT Southwestern Medical Center in 2013.
What drugs does Dr. David Quan Sun prescribe most?
In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Celecoxib, Gabapentin and Oxycodone-Acetaminophen.
Has Dr. David Quan Sun received payments from drug or device companies?
CMS Open Payments shows $19,746 in general payments to Dr. Sun from 20 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. David Quan Sun been practicing?
Dr. Sun graduated from medical school in 2013, 13 years ago.
Does Dr. David Quan Sun do research?
Dmand AI links 1 publication to Dr. Sun.
Who does Dr. David Quan Sun publish with?
Dr. Sun's most frequent co-authors are Eric L. Hume, MD (1 shared paper) and Christopher Michael Scanlon, MD (1 shared paper).
What insurance does Dr. David Quan Sun accept?
Dr. Sun is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Texas 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