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- 202 West College St, Covina, CA 91723
About Dr. Williams
James G. Williams, MD is a healthcare provider in Covina, CA specializing in otolaryngology (ent). James trained at Baylor College of Medicine, graduating in 1989. According to Medicare claims data, James cared for 1,929 Medicare patients across 3,164 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, diagnostic exam of nasal passages using an endoscope, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1316924608.
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
- (626) 966-2111
- Email not available
Practice Locations
202 WEST COLLEGE ST
Covina, CA 91723
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
- 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
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Head & Neck
Throat & Voice
- Frequent Strep Throat
Procedures & services
Most searched procedures
- Adenoidectomy
- Ear tube surgery
- Hearing test
- Sinus surgery
- Tonsillectomy
Office diagnosis
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Nasal endoscopy
Cosmetic
- Earlobe Repair
Ear & Hearing
- Bone-Anchored Hearing Aid Surgery
- Eustachian Tube Balloon Dilation
Ear procedures
- Cochlear implant surgery
- Eardrum repair
- Earwax removal
- Mastoid surgery
- Stapes surgery
Head & Neck
- Neck Lump Removal
- Salivary Duct Stone Removal
- Thyroid Nodule Biopsy
Head and neck surgery
- Neck lymph-node dissection
- Parathyroid surgery
- Parotid gland surgery
- Thyroid removal surgery
- Voice-box removal
Nose & Sinus
- Broken Nose Repair
Nose and sinus procedures
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Rhinoplasty
- Septoplasty
- Turbinate reduction
Sleep and airway
- Drug-induced sleep endoscopy
- Hypoglossal nerve stimulator implantation
- Uvulopalatopharyngoplasty
Throat & Voice
Throat, voice, and swallowing
- Esophageal dilation
- Microlaryngoscopy
- Vocal-fold injection
Procedures Most Often Billed to Medicare
3,164 services · 1,929 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
400 | More than most peers in Otolaryngology (ENT) |
| Complex control of nose bleed | Procedure | 30903 |
34 | More than most peers in Otolaryngology (ENT) |
| Test to assess middle ear function | Treatment | 92567 |
317 | More than most peers in Otolaryngology (ENT) |
| Test for hearing various pitches using earphone and device placed against the bone | Treatment | 92553 |
263 | More than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,667 | More than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
333 | More than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
99 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
33 | Less often than most peers in Otolaryngology (ENT) |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
18 | Too few peers to compare |
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.
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Baylor College of Medicine 7
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Diagnostic exam of nasal passages using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Williams specialize in?
Dr. Williams is an otolaryngology (ent) in Covina, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Williams located?
Dr. Williams is listed at 202 West College St, Covina, CA 91723. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williams's phone number?
The number on file is (626) 966-2111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Williams's NPI number?
Dr. Williams's National Provider Identifier is 1316924608. 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. Williams go to medical school?
Dr. Williams attended Baylor College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Williams been practicing?
Dr. Williams has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williams do most often?
According to Medicare billing data, Dr. Williams performs procedures including diagnostic exam of nasal passages using an endoscope and complex control of nose bleed; provides treatments such as test to assess middle ear function and test for hearing various pitches using earphone and device placed against the bone, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
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