Dr. Christopher Yongsu Chang, MD

  • Warrenton, VA
  • Otolaryngologist
NPI1649234824PAC ID5395770309
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Blue Ridge Orthopaedics and Spine Center

Warrenton, Virginia

See all 7 affiliations

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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 and contact details
Medicare PAC ID
5395770309
NPI enumeration date
April 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(540) 347-9220
Professional email
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Personal email
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Mobile number
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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 Center
    52 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.

See all 7 affiliations for Dr. Chang

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.

EHR by site
SiteEHR vendor and product
Blue Ridge Orthopaedics and Spine CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable 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, VirginiaPrimaryLicense 0101237204 · 2004 to 2026 · taxonomy 207Y00000X
  • Oregon license2005 to 2006
  • North Carolina license2000 to 2005

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.

260otolaryngologists in Virginia
2otolaryngologists in Warrenton

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.

Medicare services, 20242,580
Medicare patients1,036
Paid by Medicare$150,783
Procedure codes14

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.

See all procedures by Dr. Chang

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other otolaryngologists in Virginia.

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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.

Medicare patients, 20241,036
Average age76
Average risk score1.05
Also on Medicaid2%

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

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis47%
  4. Diabetes24%
  5. Ischemic heart disease22%
  6. Anxiety19%
  7. Atrial fibrillation19%
  8. 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.

Part D claims, 20241,369
Drugs named by CMS19
Total drug cost$18,811
Part D patients404

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.

See all prescribing by Dr. Chang

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.

Papers21

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

Recent publications by Dr. Chang

See all 21 publications and co-authors

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.

How network discovery works

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

$3.1Kin total
  • 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.

See all payments to Dr. Chang

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

  1. 2019
    • YouTube Silver Button Creator Award
  2. 2008
    • Winner
  3. 2005
    • Joseph D. Siefker Outstanding Resident Teaching Award
  4. 2003
    • Winner 1st Prize, Social Enterprise Track
  5. 1997
    • Research Fellowship
  6. 1996
    • Honors in the Study of Molecular Biophysics and Biochemistry, BS
See all 7 awards

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.

  1. Medical schoolYale School of Medicine
  2. Board certified in otolaryngologyAmerican Board of Otolaryngology - Head and Neck Surgery

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

  1. Medicare8
  2. PPO7
  3. HMO3
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Christopher Yongsu Chang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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