NPPES file of Aug 9, 2026

Mary F. Drost, RN

Psychiatric/Mental Health Clinical Nurse Specialist · Commack, NY

Mary F. Drost, RN is a psychiatric/mental health clinical nurse specialist with a practice address in Commack, New York, and NPI 1790303543, issued on Jul 8, 2020. Check the license (New York 381392, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790303543
Name
Mary F. Drost
Credential
RN
Primary taxonomy
Psychiatric/Mental Health Clinical Nurse Specialist 364SP0808X
License number
381392 NY
Self-reported in NPPES; status is on the state search
Practice location
155 Indian Head RD, Commack, NY 11725
Phone
(516) 733-7040
Enumerated
Jul 8, 2020
Record last updated
Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(516) 733-7098
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 155 Indian Head RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Meghan ActonSocial Worker1619513967
  2. Daniel AmbroseAddiction (Substance Use Disorder) Counselor1134771462
  3. Kathy Ayers-Lanzalotta, CASACAddiction (Substance Use Disorder) Counselor1285965384
  4. Kathleen Brown, RNRegistered Nurse1326482415
  5. Salvatore CostanzaAddiction (Substance Use Disorder) Counselor1518346139
  6. Adrienne ElliotAddiction (Substance Use Disorder) Counselor1508288937

Verify Mary F. Drost in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 381392
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Psychiatric/Mental Health Clinical Nurse Specialist providers in New York

There are 23 psychiatric/mental health clinical nurse specialist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatric/mental health clinical nurse specialist records in New York

  1. Mary Chereskin, APRNBCNorthport, NY1285736496
  2. Krista Clever, DNP, APNHamburg, NY1225316227
  3. Joan Cohen, PHD, APRN,Great Neck, NY1780808469
  4. Susan Cohen, PH.D, RN, CSLynbrook, NY1841337714
  5. Janet Collins, N.P.New York, NY1497774970
  6. Vincent Cretella, RNMonticello, NY1831813013
  7. Kelli Hamilton, NPNew York, NY1376099937
  8. Amandeep KaurBethpage, NY1710866884
  9. Cheryl Kelly, PMHNP-BCNew City, NY1912694605
  10. Martha Ketteridge, N.PHuntington, NY1952488454

Common questions

What is Mary F. Drost, RN's NPI number?

Mary F. Drost, RN's National Provider Identifier (NPI) is 1790303543, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mary F. Drost, RN located?

The NPPES record lists a practice address at 155 Indian Head RD, Commack, NY, 11725. Phone: (516) 733-7040. Providers update this record themselves, so call before visiting.

How can I verify Mary F. Drost, RN's license?

NPPES lists New York license number 381392, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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. 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.