Physician Profile
Unclaimed ProfileAbout MARSH
Based in Scottsdale, AZ, Michael A Marsh, M.D. is listed in the NPI registry under otolaryngology. Michael is also listed as specialising in otolaryngology (ent).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Marsh's specialty?
Dr. Marsh is an otolaryngology in Scottsdale, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Where can I find Dr. Marsh?
Dr. 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 Dr. Marsh?
The number on file is (480) 534-4525. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marsh's NPI number?
Dr. 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 Dr. Marsh's medical education?
Dr. Marsh attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marsh been practising?
Dr. Marsh has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marsh known for?
According to Medicare billing data, Dr. 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 Dr. Marsh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marsh. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (480) 534-4525
- Email not available
Practice Locations
20745 N SCOTTSDALE RD STE 105
Scottsdale, AZ 85255
Procedures Most Often Billed to Medicare
4,699 services · 967 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
165 |
| Removal of impacted ear wax | Procedure | 69210 |
94 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
39 |
| Dilation of nasal sinus using an endoscope | Procedure | 31295 |
13 |
| Ct scan of face without contrast | Imaging | 70486 |
132 |
| Ct scan of cranial cavity without contrast | Imaging | 70480 |
22 |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,400 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
1,110 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
615 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
577 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 otolaryngology specialists 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.