Marsha Alexander, D.O
Child & Adolescent Psychiatry Physician · Commack, NY
Marsha Alexander, D.O is a child & adolescent psychiatry physician with a practice address in Commack, New York, and NPI 1508059056, issued on Aug 18, 2007. Check the license (New York 237852, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marsha Alexander
- Credential
- D.O
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 237852 NY
Self-reported in NPPES; status is on the state search - Practice location
- 356 Veterans Memorial Hwy, Commack, NY 11725
- Phone
- (516) 779-3300
- Enumerated
- Aug 18, 2007
- Entity
- Type 1 · individual
Also registered at 356 Veterans Memorial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Defalco, PSY.D.Psychologist1134243090
- Cindy DemetriouAdult Health Nurse Practitioner1033592589
- Denise Feldman, MSSWClinical Social Worker1942505847
- Barbara Fisher, PH.D.Clinical Psychologist1780737700
- Barbara Herd, PH.D.Clinical Psychologist1356551972
- Linda Jonas, PHDAdult Development & Aging Psychologist1275650103
Verify Marsha Alexander 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 237852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Child & Adolescent Psychiatry Physician providers in New York
There are 736 child & adolescent psychiatry physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other child & adolescent psychiatry physician records in New York
- Asli Saba Abaci, M.D.Rochester, NY1538100961
- Susan Abbott, MDNew York, NY1720134935
- Melissa Abbuhl, MDAlbany, NY1477116119
- Robert Abramovitz, M.D.New York, NY1417106451
- Beth Abrams, M.D.Albany, NY1528141892
- Andrea Ackerman, M.D.New York, NY1801144415
- Antoine Adam, MDNew York, NY1700032794
- Lori Adel, M.D.Valhalla, NY1487865143
- Ayodola Adigun, MD, MSBrooklyn, NY1649667106
- Virginia Agnello, MS, FNP-BCPenfield, NY1164777306
Common questions
What is Marsha Alexander, D.O's NPI number?
Marsha Alexander, D.O's National Provider Identifier (NPI) is 1508059056, issued on Aug 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marsha Alexander, D.O located?
The NPPES record lists a practice address at 356 Veterans Memorial Hwy, Commack, NY, 11725. Phone: (516) 779-3300. Providers update this record themselves, so call before visiting.
How can I verify Marsha Alexander, D.O's license?
NPPES lists New York license number 237852, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.