Marissa Schwartz, MD
Pediatric Otolaryngology Physician · Long Beach, CA
Marissa Schwartz, MD is a pediatric otolaryngology physician with a practice address in Long Beach, California, and NPI 1336553197, issued on Jun 19, 2014. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marissa Schwartz
- Credential
- MD
- Primary taxonomy
- Pediatric Otolaryngology Physician 207YP0228X
- Practice location
- 433 E Wardlow RD, Long Beach, CA 90807
- Phone
- (562) 427-0550
- Enumerated
- Jun 19, 2014
- Entity
- Type 1 · individual
Also registered at 433 E Wardlow RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christy Beranek, PAPhysician Assistant1558654509
- Caitlin Bertelsen, MDOtolaryngology Physician1922471291
- Alyn Kim, MDOtolaryngology Physician1124288493
- Garrett Sherman, FNPNurse Practitioner1396398749
- Namrata Varma, D.O.Pediatric Otolaryngology Physician1679703599
- Ayal Willner, MDOtolaryngology Physician1548334295
Verify Marissa Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
31% fewer Medicare Part D claims than the average pediatric otolaryngology physician in 2024
226 Medicare Part D claims for 102 beneficiaries, against an average of 328 among the 142 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate56 claims
- Azelastine Hcl36 claims
- Ipratropium Bromide33 claims
- Montelukast Sodium20 claims
- Famotidine12 claims
- Omeprazole12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $133.65
5 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 294 providers of this specialty with any payment received $677.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Torrance Health Association IncTorrance, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Pediatric Otolaryngology Physician providers in California
There are 51 pediatric otolaryngology physician records in California.
Other pediatric otolaryngology physician records in California
- Nada Ali, MDPalo Alto, CA1346605573
- Clifford Amoils, MDValencia, CA1013986397
- David Arnstein, MDLos Gatos, CA1801898796
- Roberto Barretto, M.D.Orange, CA1477552941
- Andrew Birkeland, M.D.Palo Alto, CA1700149317
- Jeffrey Birns, M.D.Tarzana, CA1043278062
- Marcella Bothwell, MDSan Diego, CA1962459982
- Douglas Brewster, M.D.San Diego, CA1609848316
- Felizardo Camilon, M.D.Orange, CA1982715512
- Ryan Chan, MDSan Francisco, CA1932023660
Common questions
What is Marissa Schwartz, MD's NPI number?
Marissa Schwartz, MD's National Provider Identifier (NPI) is 1336553197, issued on Jun 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Schwartz, MD located?
The NPPES record lists a practice address at 433 E Wardlow RD, Long Beach, CA, 90807. Phone: (562) 427-0550. Providers update this record themselves, so call before visiting.
How can I verify Marissa Schwartz, MD's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marissa Schwartz, MD prescribe under Medicare Part D?
In 2024, Marissa Schwartz, MD had 226 Medicare Part D claims for 102 beneficiaries; the average among pediatric otolaryngology physician prescribers was 328. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.