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Edit this profileAt a glance
- 13975 Manchester Rd, Suite 7, Ballwin, MO 63011
About Dr. Masi
Based in Ballwin, MO, Anthony M. Masi, M.D. is listed in the NPI registry under sleep medicine. Anthony graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1987. Anthony is also listed as specializing in pulmonary disease. According to Medicare claims data, Anthony cared for 465 Medicare patients across 504 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1902884844 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
- (636) 391-1222
- Email not available
Practice Locations
13975 MANCHESTER RD SUITE 7
Ballwin, MO 63011
Conditions Commonly Evaluated or Treated
Within Sleep Medicine 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
- Insomnia
- Narcolepsy
- Restless legs syndrome
- Sleep apnea
- Snoring
Breathing disruption
- Shallow Breathing In Sleep
- Suffocation Feelings In Bed
- Waking Up Gasping Or Choking
Circadian rhythm
- Antisocial personality disorder
- Delayed Sleep Phase
- Irregular Sleep-Wake Schedule
- Jet Lag Disorder
- Non-24-Hour Body Clock
- Shift Work Sleep Problems
- Sleep problems
Daytime alertness
- Daytime Exhaustion
- Excessive daytime sleepiness
- Excessive Sleeping
- Sleep Grogginess
- Sudden Muscle Weakness When Laughing
Excessive sleepiness
- Sleeping Beauty Syndrome
General sleep
- Hot flashes
- Nighttime Acid Reflux
- Pregnancy Sleep Problems
General symptoms
- Waking Up With Headaches
Hormonal sleep
- Menopause Sleep Problems
Insomnia & anxiety
- Sleep Anxiety
Movement disorders
- Head Banging While Sleeping
- Restless Arm Syndrome
Neurological sleep
- Nighttime Seizures
Parasomnia
- Acting Out Dreams
- Bedwetting
- Chronic Nightmares
- Exploding Head Syndrome
- Hallucinations While Falling Asleep
- Sleep Eating
- Sleep Groaning
- Sleep Paralysis
- Sleep Problems in Kids
- Sleep Talking
- Sleepwalking
Parasomnias
- Sexsomnia
Pediatric sleep
- Child Sleep Problems
Sleep breathing
- Mouth Breathing While Sleeping
- Upper Airway Resistance Syndrome
Sleep disruption
- Waking Up to Pee
Sleep movement
- Nighttime Leg Kicking
- Sleep Twitches
- Teeth Grinding In Sleep
Sleep quality
- Restless Sleep
- Waking Up In Panic
Sleep timing
- Waking Up Too Early
Procedures & services
Most searched procedures
- CPAP titration
- Home sleep test
- Sleep study
Behavioral therapy
- Child Sleep Habit Coaching
- CPAP Desensitization Therapy
- Sleep counseling
- Sleep hygiene counseling
- Sleep Restriction Therapy
- Stimulus Control Therapy
Circadian therapy
- Light Box Therapy
- Melatonin Timing Protocol
Consultation
- CPAP Alternatives Consultation
- Sleep Choking And Acid Reflux Management
CPAP & positive airway pressure
- Adaptive Servo-Ventilation Setup
- Auto-CPAP Setup
- BiPAP therapy
- CPAP Heated Tubing & Humidifier Setup
- CPAP Mask Fitting
- CPAP Pressure Adjustment
Device management
- Central Sleep Apnea Pacemaker Setup
- Inspire Therapy Programming
Devices
- Nasal Dilator Fitting For Snoring
- Nasal Expiratory Valve Fitting
Diagnostic testing
- Daytime Nap Study
- Drug-induced sleep endoscopy
- Overnight Oxygen Tracking
- Sleep Alertness Test
- Sleep Tracker Watch Monitoring
Diagnostics
- Actigraphy Sleep Tracking
- Nasal Airflow Testing
- Overnight Brain Wave Monitoring
Evaluations
- DOT Sleep Apnea Clearance
- Pediatric Sleep Apnea Evaluation
Lifestyle & devices
- Positional Sleep Therapy
Medical management
- Sleep Medication Review & Tapering
Oral appliances
- Night Guard For Clenching
- Oral Appliance Adjustment
- Sleep Apnea Mouthpiece
- Snoring Mouth Guard Fitting
Respiratory care
- Nighttime Oxygen Therapy Setup
- Non-Invasive Ventilation Setup
Snoring & airway
- Laser Snoring Treatment
- Radiofrequency Tissue Reduction For Snoring
Surgery
- Tonsil And Adenoid Removal For Sleep Apnea
Surgical & implants
- Deviated Septum Surgery For Sleep
- Expansion Sphincter Pharyngoplasty
- Hypoglossal nerve stimulator implantation
- Jaw Advancement Surgery
- Palate Stiffening Procedure
- Tongue Base Reduction Surgery
- Turbinate Shrinking For Breathing
- Uvulopalatopharyngoplasty
Therapy
- Myofunctional Therapy for Tongue Thrust
- Sleep Dread Desensitization
Procedures Most Often Billed to Medicare
504 services · 465 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
368 | More than most peers in Sleep Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
73 | More often than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
48 | Less often than most peers in Sleep Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
15 | Less often than most peers in Sleep Medicine |
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.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 6
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Anthony M. Masi's specialty?
Anthony M. Masi is a sleep medicine in Ballwin, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Anthony M. Masi?
Anthony M. Masi is listed at 13975 Manchester Rd Suite 7, Ballwin, MO 63011. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Anthony M. Masi?
The number on file is (636) 391-1222. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Anthony M. Masi's NPI number?
Anthony M. Masi's National Provider Identifier is 1902884844. 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 Anthony M. Masi's education?
Anthony M. Masi attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Anthony M. Masi been practicing?
Anthony M. Masi has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Anthony M. Masi known for?
According to Medicare billing data, Anthony M. Masi the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Anthony M. Masi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Anthony M. Masi. If this is you, claiming it is free.
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