Physician Profile
Based in Saint Louis, MO, Sean T. Massa, MD is listed in the NPI registry under otolaryngology. Sean is also listed as specializing in otolaryngology (ent). Medicare claims data shows Sean provided 220 services to 168 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1225 S GRAND DOOR 3
Saint Louis, MO 63104
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.
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Cancer
Head & Neck
Throat & Voice
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
220 services · 168 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
61 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
86 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Massa is an otolaryngology in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Massa is listed at 1225 S Grand Door 3, Saint Louis, MO 63104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 977-5110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Massa's National Provider Identifier is 1336586809. 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
Dr. Massa attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Dr. Massa has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Massa performs procedures including diagnostic exam of voice box using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Massa. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.