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- 966 Cass St Ste 250, Monterey, CA 93940
About Dr. Casserly
Based in Monterey, CA, Ryan M. Casserly, MD is listed in the NPI registry under otolaryngology. Ryan graduated from University of Southern California Keck School of Medicine in 2014. Ryan is also listed as specializing in otolaryngology — otology & neurotology. Medicare claims data shows Ryan provided 2,107 services to 1,342 patients. 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, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and removal of impacted ear wax. NPI 1114344025 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
- (831) 649-4000
- Email not available
Practice Locations
966 CASS ST STE 250
Monterey, CA 93940
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
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
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
Throat & Voice
Throat, voice, and swallowing
- Esophageal dilation
- Microlaryngoscopy
- Vocal-fold injection
Procedures Most Often Billed to Medicare
2,107 services · 1,342 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
332 | More often than most peers in Otolaryngology |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
67 | More often than most peers in Otolaryngology |
| Simple control of nose bleed | Procedure | 30901 |
18 | More often than most 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 |
1,294 | More 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 |
362 | More than most peers in Otolaryngology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
20 | As often as other peers in Otolaryngology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 21 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of Southern California Keck School of Medicine 6
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 7
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Casserly specialize in?
Dr. Casserly is an ENT doctor in Monterey, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Where is Dr. Casserly located?
Dr. Casserly is listed at 966 Cass St Ste 250, Monterey, CA 93940. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Casserly's phone number?
The number on file is (831) 649-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Casserly?
Dr. Casserly's National Provider Identifier is 1114344025. 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. Casserly go to medical school?
Dr. Casserly attended University of Southern California Keck School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Casserly have?
Dr. Casserly has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Casserly do most often?
According to Medicare billing data, Dr. Casserly performs procedures including removal of impacted ear wax, diagnostic exam of voice box using a flexible endoscope and simple control of nose bleed, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Casserly's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Casserly. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.