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Edit this profileAt a glance
- 301 S Moorpark Rd, Thousand Oaks, CA 91361
About Dr. Voorman
Based in Thousand Oaks, CA, Gary S. Voorman, M.D. is listed in the NPI registry under otolaryngology (ent). Gary graduated from Loma Linda University School of Medicine in 1982. Medicare claims data shows Gary provided 1,608 services to 1,187 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, diagnostic exam of nasal passages using an endoscope, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1093720419 identifies this record in the national registry.
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
- (805) 379-9646
- Email not available
Practice Locations
301 S MOORPARK RD
Thousand Oaks, CA 91361
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
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
Head & Neck
Throat & Voice
Procedures & services
Cosmetic
Ear & Hearing
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
Head & Neck
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
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
Most searched procedures
Sleep and airway
Throat & Voice
Procedures Most Often Billed to Medicare
1,608 services · 1,187 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
200 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
183 | More than most peers in Otolaryngology (ENT) |
| Destruction of soft tissue of nasal passages | Procedure | 30801 |
103 | More than most peers in Otolaryngology (ENT) |
| Removal of impacted ear wax | Procedure | 69210 |
28 | Less often than most peers in Otolaryngology (ENT) |
| Simple control of nose bleed | Procedure | 30901 |
19 | As often as other 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 |
767 | More than most 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 |
193 | 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 |
65 | As often as other peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
34 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
16 | 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.
Other otolaryngology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 28 related providers in 4 groups
Other otolaryngology specialists in Thousand Oaks 4
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
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 is Gary S. Voorman's specialty?
Gary S. Voorman is an otolaryngology (ent) in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Gary S. Voorman?
Gary S. Voorman is listed at 301 S Moorpark Rd, Thousand Oaks, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gary S. Voorman?
The number on file is (805) 379-9646. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gary S. Voorman?
Gary S. Voorman's National Provider Identifier is 1093720419. 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
What is Gary S. Voorman's education?
Gary S. Voorman attended Loma Linda University School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gary S. Voorman have?
Gary S. Voorman has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What is Gary S. Voorman known for?
According to Medicare billing data, Gary S. Voorman performs procedures including diagnostic exam of nasal passages using an endoscope, diagnostic exam of voice box using a flexible endoscope and destruction of soft tissue of nasal passages, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gary S. Voorman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gary S. Voorman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.