Dr. Sean T. Massa
- Gender: Male
- Sole propriator: No
- NPI: 1336586809
Dr. Sean T. Massa MD
Otolaryngologist
He is located at 1225 South Grand Door 3 in Saint Louis, MO 63104. Can help patients with the following: Chronic Rhinitis, Eye Allergy, Hay Fever, Nosebleed, Sinus Tract, Vertigo. His National Provider Identifier (NPI) number is 1336586809. Appointment can be made via the phone number (314) 977-5110. He is affiliated with 1 practices.
Conditions treated
Dr. Sean Timothy Massa, being an otolaryngologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Sean T. Massa.
- Allergic Reaction
- Assistive Listening Devices
- Auditory Processing Disorder
- Aural Rehabilitation
- Bad Breath
- Cancer
- Cauliflower Ear
- Chronic Cough
- Chronic Rhinitis
- Cleft Palate and Cleft Lip
- Deafness
- Deviated Septum
- Dizziness
- Ear Infection
- Ear Wax
- Eustachian Tube Problems
- Eye Allergy
- Hay Fever
- Headache
- Hearing Conservation
- Impacted Earwax
- Inner Ear Disorders
- Laryngitis
- Middle Ear Infection
- Nasal Polyps
- Newborn or Infant Hearing Screening
- Noise Sensitivity
- Noise-Induced Hearing Loss (NIHL)
- Nosebleed
- Oral Cancer
- Otoacoustic Emission Test (OAE)
- Peripheral Nerve Tumors
- Sinus Tract
- Sinusitis
- Sleep Apnea
- Sleep Disorders
- Sore Throat
- Swallowing Disorders
- Swimmer's Ear
- Taste Disorders
- Tinnitus
- Tongue Problems
- Usher Syndrome
- Vertigo
- Vestibular Testing
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Sean T. Massa as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Complete Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Complete Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
| Elite Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
Anthem Blue Cross and Blue Shield
Network data as of Mar 26, 2026, as reported by the insurer.
Show all 10 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Catastrophic Pathway (+ Incentives) | EPO · Catastrophic | Participating | Accepting new patients |
| Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients |
Medica
Network data as of Aug 13, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica with SSM Health Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica with SSM Health Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica with SSM Health Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica with SSM Health Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Medica with SSM Health Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Medica with SSM Health Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Medica with SSM Health Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Medica with SSM Health Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Medica with SSM Health Silver Standard | EPO · Silver | Preferred | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Simple | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Sean T. Massa is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Sean T. Massa is enrolled to bill Medicare as a Practitioner - Otolaryngology .
Bills through: Ssm Health Care Group
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Medtronic | $309 |
| Intersect Ent | $124 |
| Stryker | $64 |
Other
| Food and Beverage | $499 |
Additional Specialities
- Resident
Looking for more Otolaryngologists?
There are 6 other otolaryngologists in this region.
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- Address: 1465 South Grand Boulevard St. Louis, 63104, MO
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- Address: 1465 South Grand Boulevard St. Louis, 63104, MO
- Gender: Male
- Address: 1225 South Grand Boulevard Saint Louis, 63104, MO
- Gender: Male
- Address: 1225 South Grand Boulevard Department Of Saint Louis, 63104, MO
- Gender: Female
- Address: 1465 South Grand Boulevard Saint Louis, 63104, MO
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- Address: 960 Johnson Ferry Road Suite 335 Atlanta, 30342, GA
Questions & Answers
What conditions does Dr. Sean Timothy Massa treat?
Dr. Sean Timothy Massa provides treatment for Chronic Rhinitis, Eye Allergy, Hay Fever, Nosebleed, Sinus Tract, Vertigo. For the full list see this list.
Where can you meet with Dr. Sean Timothy Massa?
Dr. Sean Timothy Massa's office is located at 1225 South Grand Door 3 in Saint Louis, MO 63104.
Does Dr. Sean Timothy Massa have affiliation with practices?
Dr. Sean Timothy Massa is affiliated with Cohen Eye Associates, Limited.
Does Dr. Sean Timothy Massa accept insurance?
Dr. Sean Timothy Massa is listed in-network for 46 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter Health, Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company. See the Marketplace plans section for details.