Physician Profile
Chia-Wai D. Chang, MD
Unclaimed ProfileAbout Dr. Chang
Chia-Wai D. Chang, MD practices otolaryngology in Columbia, MO. Chia-Wai is a 1999 graduate of University of Kansas School of Med (Kc/Wich/Sal). Chia-Wai is also listed as specializing in otolaryngology (ent). According to Medicare claims data, Chia-Wai cared for 444 Medicare patients across 1,935 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and professional service for multiple injections of allergen. The provider's National Provider Identifier (NPI) is 1013975986.
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
- (573) 817-3000
- Email not available
Practice Locations
812 N KEENE ST
Columbia, MO 65201
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
Most searched conditions
Balance
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Cancer
Head & Neck
Throat & Voice
Procedures & services
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
- Neck lymph-node dissection
- Parathyroid surgery
- Parotid gland surgery
- Thyroid removal surgery
- Voice-box removal
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
Procedures Most Often Billed to Medicare
1,935 services · 444 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
70 | As often as other peers in Otolaryngology |
| Evaluation of sleep-disordered breathing by examination of upper airway using an endoscope | Procedure | 42975 |
18 | As often as other peers in Otolaryngology |
| Insertion of hypoglossal nerve neurostimulator electrode and generator and breathing sensor electrode | Procedure | 64582 |
15 | As often as other peers in Otolaryngology |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
14 | Less often than most peers in Otolaryngology |
| Test for allergy using allergenic extract | Treatment | 95004 |
790 | As often as other peers in Otolaryngology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
550 | As often as other peers in Otolaryngology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
184 | As often as other peers in Otolaryngology |
| Professional service for single injection of allergen | Treatment | 95115 |
52 | Less often than most peers in Otolaryngology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
68 | As often as other peers in Otolaryngology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
66 | As often as other peers in Otolaryngology |
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.
Other ENT doctors at this location 4
Same specialty, same street address — most likely the same department or group.
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.
Other ENT doctors in Columbia 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Kansas School of Med (Kc/Wich/Sal) 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of Kansas School of Med (Kc/Wich/Sal) 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of nasal passages using an endoscope 7
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an ENT doctor in Columbia, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 812 N Keene St, Columbia, MO 65201. 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 (573) 817-3000. 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 1013975986. 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 University of Kansas School of Med (Kc/Wich/Sal), graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 27 years experience. Calculated from a graduation year of 1999, 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 diagnostic exam of nasal passages using an endoscope, evaluation of sleep-disordered breathing by examination of upper airway using an endoscope and insertion of hypoglossal nerve neurostimulator electrode and generator and breathing sensor electrode; provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, 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.
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