Michelle Siegel Marrinan, MD
Otology & Neurotology Physician · Greenwich, CT
Michelle Siegel Marrinan, MD is an otology & neurotology physician with a practice address in Greenwich, Connecticut, and NPI 1598761629, issued on Jun 23, 2005. Check the license (Connecticut 042226, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michelle Siegel Marrinan
- Credential
- MD
- Primary taxonomy
- Otology & Neurotology Physician 207YX0901X
- License number
- 042226 CT
Self-reported in NPPES; status is on the state search - Practice location
- 49 Lake Ave, Greenwich, CT 06830
- Phone
- (203) 869-2030
- Enumerated
- Jun 23, 2005
- Record last updated
- Sep 11, 2025
- Fax
- (203) 869-9262
- Medicaid ID
- 001422261 CT
- Medicare enrollment
- Enrolled (PECOS I20041012000701); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1997
- Entity
- Type 1 · individual
Also registered at 49 Lake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Alonzo, M.D.Urology Physician1770802357
- Michele Bergen, D.M.D., M.D.Oral and Maxillofacial Surgery (Dentist)1215929286
- Lana Bernstein, M.D.Rheumatology Physician1912012857
- James Borges, MDSpecialist1073506705
- Steven Bramwit, MDOtolaryngology Physician1730183146
- Richard Brauer, M.D.Otolaryngology Physician1841335163
Verify Michelle Siegel Marrinan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average otology & neurotology physician in 2024
241 Medicare Part D claims for 111 beneficiaries, against an average of 409 among the 340 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Azelastine Hcl55 claims
- Fluticasone Propionate43 claims
- Fluocinolone Acetonide Oil16 claims
- Ciprofloxacin-Dexamethasone13 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: $71.86
4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 283 providers of this specialty with any payment received $2,757.03 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.
Bills Medicare through one group practice
- Greenwich Ear Nose And Throat PCStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Otology & Neurotology Physician providers in Connecticut
There are 5 otology & neurotology physician records in Connecticut.
Other otology & neurotology physician records in Connecticut
- Justin Cottrell, MDNew Haven, CT1033844337
- Marc Eisen, M.D.Farmington, CT1649345513
- Douglas Hildrew, M.D.New Haven, CT1629393913
- Nofrat Schwartz, MDNew Haven, CT1265936512
Common questions
What is Michelle Siegel Marrinan, MD's NPI number?
Michelle Siegel Marrinan, MD's National Provider Identifier (NPI) is 1598761629, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Siegel Marrinan, MD located?
The NPPES record lists a practice address at 49 Lake Ave, Greenwich, CT, 06830. Phone: (203) 869-2030. Providers update this record themselves, so call before visiting.
How can I verify Michelle Siegel Marrinan, MD's license?
NPPES lists Connecticut license number 042226, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michelle Siegel Marrinan, MD prescribe under Medicare Part D?
In 2024, Michelle Siegel Marrinan, MD had 241 Medicare Part D claims for 111 beneficiaries; the average among otology & neurotology physician prescribers was 409. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.