Physician Profile
Maie A. St John, MD is a healthcare provider in Los Angeles, CA specializing in otolaryngology (ent). Maie trained at Yale University School of Medicine, graduating in 1999. According to Medicare claims data, Maie cared for 334 Medicare patients across 373 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, diagnostic exam of voice box using an endoscope, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
200 MEDICAL PLAZA #550
Los Angeles, CA 90095
1800 Orleans St
Baltimore, MD 21287
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
373 services · 334 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of voice box using an endoscope | Procedure | 31525 |
83 | More than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
27 | |
| Removal of lymph nodes, muscle, and tissue of neck | Procedure | 38724 |
19 | More often than most peers in Otolaryngology (ENT) |
| Release and/or relocation of cranial nerve | Procedure | 64716 |
15 | |
| Diagnostic exam of voice box using an endoscope | Procedure | 31525 |
11 | More than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
85 | More often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
78 | 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 |
22 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. St John is an otolaryngology (ent) in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. St John is listed at 200 Medical Plaza #550, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 206-6688. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. St John's National Provider Identifier is 1023029162. 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. St John attended Yale University School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
Dr. St John has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. St John performs procedures including diagnostic exam of voice box using an endoscope, diagnostic exam of voice box using a flexible endoscope and removal of lymph nodes, muscle, and tissue of neck, 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. St John. 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.