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- 433 E Wardlow Rd, Long Beach, CA 90807
About Dr. Schwartz
Based in Long Beach, CA, Marissa A. Schwartz, MD is listed in the NPI registry under otolaryngology (ent). Marissa graduated from Boston University School of Medicine in 2014. Medicare claims data shows Marissa provided 257 services to 242 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and test to assess middle ear function. NPI 1336553197 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
- (562) 427-0550
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
433 E WARDLOW RD
Long Beach, CA 90807
Conditions Commonly Evaluated or Treated
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.
Conditions
Cancer
- Nasopharyngeal cancer
- Oropharyngeal cancer
- Sinonasal cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Pediatric and congenital
Most searched conditions
Balance
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Head & Neck
Throat & Voice
Procedures & services
Cosmetic
Ear & Hearing
Ear procedures
- Bone-anchored hearing-device placement
- Cochlear implant surgery
- Ear-tube placement
- Eardrum repair
- Mastoid surgery
- Stapes surgery
- Earwax removal
Endocrine Surgery
Facial plastic and reconstructive
Head & Neck
Head and neck surgery
- Parathyroid surgery
- Submandibular gland removal
- Thyroid removal surgery
- Transoral robotic surgery
- Voice-box removal
- Neck lymph-node dissection
- Parotid gland surgery
Nose & Sinus
Nose and sinus procedures
- Balloon sinus dilation
- Endoscopic sinus surgery
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Reduction of a broken nose
- Septoplasty
- Turbinate reduction
- Rhinoplasty
Office diagnosis
- Balance and vestibular testing
- ENT consultation
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Hearing test
- Nasal endoscopy
- Rigid laryngoscopy
Throat, voice, and swallowing
Most searched procedures
Sleep and airway
Throat & Voice
Procedures Most Often Billed to Medicare
257 services · 242 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
18 | Less often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
13 | Less often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
12 | Less often than most peers in Otolaryngology (ENT) |
| Test to assess middle ear function | Treatment | 92567 |
36 | As often as other peers in Otolaryngology (ENT) |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
32 | As often as other 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 |
70 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
47 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | Less often than most peers in Otolaryngology (ENT) |
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.
Other otolaryngology specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 3
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 Long Beach 5
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Boston University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 7
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Schwartz specialize in?
Dr. Schwartz is an otolaryngology (ent) in Long Beach, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Schwartz located?
Dr. Schwartz is listed at 433 E Wardlow Rd, Long Beach, CA 90807. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Schwartz's phone number?
The number on file is (562) 427-0550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Schwartz?
Dr. Schwartz's National Provider Identifier is 1336553197. 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
Where did Dr. Schwartz go to medical school?
Dr. Schwartz attended Boston University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Schwartz have?
Dr. Schwartz has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Schwartz do most often?
According to Medicare billing data, Dr. Schwartz performs procedures including removal of impacted ear wax, diagnostic exam of nasal passages using an endoscope and diagnostic exam of voice box using a flexible endoscope; provides treatments such as test to assess middle ear function and comprehensive hearing and speech recognition test, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Schwartz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schwartz. If this is you, claiming it is free.
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