Stephan Anthony Mayer, M.D.
Neurocritical Care Physician · Valhalla, NY
Stephan Anthony Mayer, M.D. is a neurocritical care physician with a practice address in Valhalla, New York, and NPI 1538258538, issued on Oct 11, 2006. Check the license (New York 182231, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stephan Anthony Mayer
- Credential
- M.D.
- Primary taxonomy
- Neurocritical Care Physician 2084A2900X
- License number
- 182231 NY
Self-reported in NPPES; status is on the state search - Practice location
- Westchester Medical Center Advanced Physician Services, Valhalla, NY 10595
- Phone
- (914) 493-5098
- Enumerated
- Oct 11, 2006
- Record last updated
- Oct 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 01522861 NY
- Medicare enrollment
- Enrolled (PECOS I20101029000863); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1988
- Entity
- Type 1 · individual
8 nearest neurocritical care physician records → All 49 in New York → Look up another NPI →
Verify Stephan Anthony Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 182231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $9,721.86
14 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 251 providers of this specialty with any payment received $1,054.78 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
- Westchester Medical Center Advanced Physician Services PCHawthorne, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephan Anthony Mayer among 49 neurocritical care physician records in New York
Stephan Anthony Mayer, M.D. is one of 49 neurocritical care physician records with a practice address in New York. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 92% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 94% of these records are
- Graduated1988 · median 2011 among the 46 with a school on file
- Record last updated2020 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A2900X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurocritical Care Physician providers in New York
There are 49 neurocritical care physician records in New York.
All 49 in New York → Every provider in Valhalla → Neurocritical Care Physician nationwide →
The 8 neurocritical care physician records with the nearest ZIP codes
- Taolin Fang, MDStaten Island, NY 103051437611548
- Lauren Baiata, PAManhasset, NY 110301184140667
- Eveline Gutzwiller, MDManhasset, NY 110301720647811
- Darya Khazanova, MDManhasset, NY 110301194112284
- Tania Rebeiz, MDManhasset, NY 110301346505211
- Tagir Sabirov, M.D.Manhasset, NY 110301669881116
- Reza Samad, M.D.Long Island City, NY 111021265674683
- Judy Ch'Ang, MDNew York, NY 100651790129526
Common questions
What is Stephan Anthony Mayer, M.D.'s NPI number?
Stephan Anthony Mayer, M.D.'s National Provider Identifier (NPI) is 1538258538, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephan Anthony Mayer, M.D. located?
The NPPES record lists a practice address at Westchester Medical Center Advanced Physician Services, Valhalla, NY, 10595. Phone: (914) 493-5098. Providers update this record themselves, so call before visiting.
How can I verify Stephan Anthony Mayer, M.D.'s license?
NPPES lists New York license number 182231, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.