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- 550 Hospital Drive, Warrenton, VA 20186
About Dr. Chang
Christopher Y. Chang, MD is a healthcare provider in Warrenton, VA specializing in otolaryngology (ent). Christopher trained at Yale University School of Medicine, graduating in 2000. According to Medicare claims data, Christopher cared for 1,715 Medicare patients across 2,580 services. The services billed most often include professional service for preparation and provision of 1 or more antigens, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1649234824.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (540) 347-0505
- Email not available
Practice Locations
550 HOSPITAL DRIVE
Warrenton, VA 20186
Conditions Commonly Evaluated or Treated
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cancer
- Nasopharyngeal cancer
- Oropharyngeal cancer
- Sinonasal cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Pediatric and congenital
- Congenital neck mass
Most searched conditions
- Ear infection
- Sinus infection
- Sleep apnea
- Tinnitus
- Tonsillitis
- Vertigo
Balance
- Ménière's disease
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
- Hyperparathyroidism
- Neck mass
- Parotid gland tumor
- Salivary gland infection
- Thyroid cancer
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
- Snoring
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Head & Neck
Throat & Voice
- Frequent Strep Throat
Procedures & services
Cosmetic
- Earlobe Repair
Ear & Hearing
- Bone-Anchored Hearing Aid Surgery
- Eustachian Tube Balloon Dilation
Ear procedures
- Bone-anchored hearing-device placement
- Cochlear implant surgery
- Ear-tube placement
- Eardrum repair
- Mastoid surgery
- Stapes surgery
- Earwax removal
Endocrine Surgery
Facial plastic and reconstructive
- Facial reconstructive surgery
Head & Neck
- Neck Lump Removal
- Salivary Duct Stone Removal
- Thyroid Nodule Biopsy
Head and neck surgery
- Parathyroid surgery
- Submandibular gland removal
- Thyroid removal surgery
- Transoral robotic surgery
- Voice-box removal
- Neck lymph-node dissection
- Parotid gland surgery
Nose & Sinus
- Broken Nose Repair
Nose and sinus procedures
- Balloon sinus dilation
- Endoscopic sinus surgery
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Reduction of a broken nose
- Septoplasty
- Turbinate reduction
- Rhinoplasty
Office diagnosis
- Balance and vestibular testing
- ENT consultation
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Hearing test
- Nasal endoscopy
- Rigid laryngoscopy
Throat, voice, and swallowing
- Esophageal dilation
- Instrumental swallowing evaluation
- Microlaryngoscopy
- Vocal-fold injection
Most searched procedures
- Adenoidectomy
- Ear tube surgery
- Hearing test
- Sinus surgery
- Tonsillectomy
Sleep and airway
- Drug-induced sleep endoscopy
- Hypoglossal nerve stimulator implantation
- Uvulopalatopharyngoplasty
Throat & Voice
Procedures Most Often Billed to Medicare
2,580 services · 1,715 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
291 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
210 | More than most peers in Otolaryngology (ENT) |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
168 | More often than most peers in Otolaryngology (ENT) |
| Removal of foreign body in ear canal | Procedure | 69200 |
13 | Less often than most peers in Otolaryngology (ENT) |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
502 | As often as other peers in Otolaryngology (ENT) |
| Exam of ear using a microscope | Treatment | 92504 |
170 | More often than most peers in Otolaryngology (ENT) |
| Professional service for single injection of allergen | Treatment | 95115 |
70 | Less often than most peers in Otolaryngology (ENT) |
| Repositioning exercises of head for treatment of dizziness, each day | Treatment | 95992 |
21 | As often as other peers in Otolaryngology (ENT) |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
18 | Too few peers to compare |
| Test to assess middle ear function | Treatment | 92567 |
12 | Less often than most peers in Otolaryngology (ENT) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in VA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an otolaryngology (ent) in Warrenton, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 550 Hospital Drive, Warrenton, VA 20186. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (540) 347-0505. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1649234824. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chang go to medical school?
Dr. Chang attended Yale University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
According to Medicare billing data, Dr. Chang performs procedures including removal of impacted ear wax, diagnostic exam of voice box using a flexible endoscope and diagnostic exam of nasal passages using an endoscope; provides treatments such as professional service for preparation and provision of 1 or more antigens and exam of ear using a microscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
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