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Edit this profileAt a glance
- 20745 N Scottsdale Rd Ste 105, Scottsdale, AZ 85255
About Dr. Marsh
Based in Scottsdale, AZ, Michael A. Marsh, M.D. is listed in the NPI registry under otolaryngology. Michael is also listed as specializing in otolaryngology (ent). According to Medicare claims data, Michael cared for 967 Medicare patients across 4,699 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 test for allergy using allergenic extract injected into skin. NPI 1174547988 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
- (480) 534-4525
- Email not available
Practice Locations
20745 N SCOTTSDALE RD STE 105
Scottsdale, AZ 85255
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
4,699 services · 967 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
165 | More often than most peers in Otolaryngology |
| Removal of impacted ear wax | Procedure | 69210 |
94 | As often as other peers in Otolaryngology |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
39 | As often as other peers in Otolaryngology |
| Dilation of nasal sinus using an endoscope | Procedure | 31295 |
13 | Less often than most peers in Otolaryngology |
| Ct scan of face without contrast | Imaging | 70486 |
132 | More than most peers in Otolaryngology |
| Ct scan of cranial cavity without contrast | Imaging | 70480 |
22 | As often as other peers in Otolaryngology |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,400 | More often than most peers in Otolaryngology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
1,110 | More often than most peers in Otolaryngology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
615 | As often as other peers in Otolaryngology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
577 | More 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.
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 Scottsdale 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1984 at Other 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 AZ who bill this service to Medicare most often.
Common questions
What is Michael A. Marsh's specialty?
Michael A. Marsh is an ENT doctor in Scottsdale, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Where can I find Michael A. Marsh?
Michael A. Marsh is listed at 20745 N Scottsdale Rd Ste 105, Scottsdale, AZ 85255. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Michael A. Marsh?
The number on file is (480) 534-4525. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael A. Marsh's NPI number?
Michael A. Marsh's National Provider Identifier is 1174547988. 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 Michael A. Marsh's education?
Michael A. Marsh attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael A. Marsh been practicing?
Michael A. Marsh has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What is Michael A. Marsh known for?
According to Medicare billing data, Michael A. Marsh performs procedures including diagnostic exam of nasal passages using an endoscope, removal of impacted ear wax and diagnostic exam of voice box using a flexible endoscope; reads or performs imaging such as ct scan of face without contrast and ct scan of cranial cavity without contrast; 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 Michael A. Marsh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael A. Marsh. If this is you, claiming it is free.
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