Dr. Christopher Yongsu Chang, MD
- Medicare services, 2024
- 2,580
- Medicare patients, 2024
- 1,036
- Part D claims, 2024
- 1,369
- Publications
- 21
- MIPS score, 2024
- 75
- Practice address
- 52 W Shirley Ave, Warrenton, VA 20186
- Practice phone
- Call (540) 347-9220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Blue Ridge Orthopaedics and Spine Center
Warrenton, Virginia
Find Dr. Chang'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. Christopher Yongsu Chang is an otolaryngologist in Warrenton, Virginia
Dr. Chang practices at Blue Ridge Orthopaedics and Spine Center in Warrenton, Virginia.
Dr. Chang's NPI, 1649234824, was assigned on April 14, 2006. Dr. Chang graduated from Yale School of Medicine in 2000. Dr. Chang holds Virginia license 0101237204.
- NPI
- 1649234824NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395770309
- NPI enumeration date
- April 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 347-9220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Yongsu Chang practices at Blue Ridge Orthopaedics and Spine Center in Warrenton, Virginia
Dr. Chang's primary practice is Blue Ridge Orthopaedics and Spine Center, at 52 W Shirley Ave, Warrenton, VA 20186 in Fauquier County. The practice phone is (540) 347-9220.
- Blue Ridge Orthopaedics and Spine Center52 W Shirley Ave, Warrenton, VA 20186 · Fauquier CountyPhone(540) 347-9220
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Yongsu Chang is affiliated with 5 sites of care and 2 medical groups
Dr. Chang's primary practice is Blue Ridge Orthopaedics and Spine Center in Warrenton, Virginia. Dr. Chang is also affiliated with Fauquier Health. The medical group on file is Blue Ridge Orthopaedic & Spine Center. Dmand AI also links Dr. Chang to 1 more hospital, 2 group practices and clinics and 1 medical group, 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. Christopher Yongsu Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blue Ridge Orthopaedics and Spine Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Yongsu Chang is one of 260 otolaryngologists in Virginia
Otolaryngology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Chang is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Chang's licenses on file in 3 states: Virginia, Oregon and North Carolina.
Specialties and state licenses
- Otolaryngology, VirginiaPrimary
- Oregon license
- North Carolina license
Clinical focus
Dmand AI lists acute sinusitis, chronic ear infection, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, ear infection, endoscopic sinus surgery and hearing loss and impairment among the conditions Dr. Chang treats.
Otolaryngologists near Dr. Chang
Counts of otolaryngologists 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. Christopher Yongsu Chang billed Medicare for 2,580 services in 2024
CMS data shows 2,580 Medicare services from Dr. Chang across 14 procedure codes in 2024, for 1,036 Medicare patients. Medicare paid $150,783 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1062024: 1,105No change
- Tests and treatments
- 2023: 9452024: 79316%
- Surgery
- 2023: 7272024: 6826%
Dr. Chang compared with the Virginia median for otolaryngologists, 2024
- Dr. Chang
- Virginia median
- Medicare services
- 2,580vs 7313.5 times
- Medicare patients
- 1,036vs 3822.7 times
- Part D claims
- 1,276vs 1468.7 times
Medians across 236 otolaryngologists in Virginia with Dmand AI profiles that report each measure.
Dr. Chang'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. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other otolaryngologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Yongsu Chang treated 1,036 Medicare patients in 2024, average age 76
CMS counts 1,036 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 445 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 2% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 61, with 54% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women56154%
- Men47546%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis47%
- Diabetes24%
- Ischemic heart disease22%
- Anxiety19%
- Atrial fibrillation19%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Yongsu Chang wrote 1,369 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 1,369 Medicare Part D claims for 404 patients. 98% of them were for generic drugs. CMS names the drug for 1,276 of them, across 19 drugs with 11 or more claims each, at $18,811 in total drug cost. In 2023, CMS named 1,171 claims across 16 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic1,339 claims98%
- Brand-name30 claims2%
Dr. Chang'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. Chang's Part D claims, 2024
- Opioids2%24 of 1,369 claims
- Antibiotics8%111 of 1,369 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: 1,1712024: 1,2769%
Drugs named by CMS: 19 in 2024, 16 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. Christopher Yongsu Chang scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher Yongsu Chang has 21 publications on record
Dmand AI links 21 papers to Dr. Chang in 2012. The most frequent topics are Botulinum Toxins, Type A, Diagnosis, Differential and Injections, Intramuscular. Dr. Chang has published most often in Ear Nose Throat J. Dr. Chang's most frequent co-authors are Leslie Rhan Kim, MD, MPH, Richard D. Thrasher, MD and Dale Amanda Tylor, MD.
Topics Dr. Chang writes about most
- Botulinum Toxins, Type A
- Diagnosis, Differential
- Injections, Intramuscular
- Neuromuscular Agents
- Otolaryngology
- Otorhinolaryngologic Surgical Procedures
- Patient Satisfaction
- Voice Disorders
Dr. Chang's most frequent co-authors
- Leslie Rhan Kim, MD, MPH1 shared paper
- Richard D. Thrasher, MD1 shared paper
- Dale Amanda Tylor, MD1 shared paper
Recent publications by Dr. Chang
Ear Nose Throat J
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Yongsu Chang received $3,060 in industry payments from 2016 to 2025
CMS Open Payments shows 25 general payments to Dr. Chang from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 46% of the total. Aerin Medical Inc. paid the most, $1,995.
General payments to Dr. Chang by program year, 2016 to 2025
General payments to Dr. Chang by kind, 2016 to 2025
- Food and beverage$1,39246%
- Honoraria$1,20539%
- Travel and lodging$34811%
- Consulting fees$1003%
- Education$140%
Companies that paid Dr. Chang 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. Christopher Yongsu Chang has 7 awards and honors on record
Dmand AI lists 7 awards for Dr. Chang, most recently YouTube Silver Button Creator Award in 2019.
Awards and honors for Dr. Chang
- 2019
- YouTube Silver Button Creator Award
- 2008
- Winner
- 2005
- Joseph D. Siefker Outstanding Resident Teaching Award
- 2003
- Winner 1st Prize, Social Enterprise Track
- 1997
- Research Fellowship
- 1996
- Honors in the Study of Molecular Biophysics and Biochemistry, BS
Dr. Chang's committees and leadership roles
- AAO-HNS Media and Public RelationsChairperson
- 2017 to 2018
Source: Dmand AI Professional Profile Data
Dr. Christopher Yongsu Chang graduated from Yale School of Medicine
Dr. Chang graduated from Yale School of Medicine in 2000. Dr. Chang is a member of American Academy of Otolaryngic Allergy and NHS.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Christopher Yongsu Chang accepts plans from 8 insurance carriers
Dr. Chang is in network with 8 carriers, including Aetna, Elevance and CareFirst BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- CareFirst BlueCross BlueShield
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
Plan types Dr. Chang accepts, by number of carriers
- Medicare8
- PPO7
- HMO3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Yongsu Chang'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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Christopher Yongsu Chang
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. Christopher Yongsu Chang's NPI number?
Dr. Christopher Yongsu Chang's NPI number is 1649234824. It was assigned on April 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Yongsu Chang?
Dr. Christopher Yongsu Chang is an otolaryngologist in Warrenton, Virginia. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Christopher Yongsu Chang practice?
Dr. Chang practices at 52 W Shirley Ave, Warrenton, VA 20186. Dr. Chang's primary practice is Blue Ridge Orthopaedics and Spine Center in Warrenton, Virginia. Dmand AI also links Dr. Chang to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Christopher Yongsu Chang's office phone number?
The practice phone on file for Dr. Chang is (540) 347-9220.
What is Dr. Christopher Yongsu Chang's medical license number?
Dr. Chang holds Virginia license 0101237204, one of the licenses on file in 3 states.
Which states has Dr. Christopher Yongsu Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Virginia (2004 to 2026), Oregon (2005 to 2006) and North Carolina (2000 to 2005).
Which hospitals is Dr. Christopher Yongsu Chang affiliated with?
Dr. Chang is affiliated with Fauquier Health. Dmand AI links Dr. Chang to 1 more hospital.
What medical group is Dr. Christopher Yongsu Chang part of?
Dr. Chang is linked to Blue Ridge Orthopaedic & Spine Center. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Christopher Yongsu Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 2,580 services in 2024, and Dr. Chang accepts Medicare assignment.
What is Dr. Christopher Yongsu Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher Yongsu Chang see?
CMS counts 1,036 Medicare patients who saw Dr. Chang in 2024, with an average age of 76.
Is Dr. Christopher Yongsu Chang board certified?
Yes. Dr. Chang is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Christopher Yongsu Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were allergy test or treatment (95165), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Christopher Yongsu Chang go to medical school?
Dr. Chang graduated from Yale School of Medicine in 2000.
What drugs does Dr. Christopher Yongsu Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Montelukast Sodium, Azelastine HCl and Ipratropium Bromide.
Has Dr. Christopher Yongsu Chang received payments from drug or device companies?
CMS Open Payments shows $3,060 in general payments to Dr. Chang from 12 companies from 2016 to 2025. The largest total came from Aerin Medical Inc.
How long has Dr. Christopher Yongsu Chang been practicing?
Dr. Chang graduated from medical school in 2000, 26 years ago.
Does Dr. Christopher Yongsu Chang do research?
Dmand AI links 21 publications to Dr. Chang.
Who does Dr. Christopher Yongsu Chang publish with?
Dr. Chang's most frequent co-authors are Leslie Rhan Kim, MD, MPH (1 shared paper), Richard D. Thrasher, MD (1 shared paper) and Dale Amanda Tylor, MD (1 shared paper).
What insurance does Dr. Christopher Yongsu Chang accept?
Dr. Chang is in network with 8 carriers, including Aetna, Elevance and CareFirst BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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