NPPES file of Aug 9, 2026

Danielle Marie Williamson, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Hauppauge, NY

Danielle Marie Williamson, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Hauppauge, New York, and NPI 1821707233, issued on Nov 15, 2022. Check the license (New York F404327-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821707233
Name
Danielle Marie Williamson
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
F404327-01 NY
Self-reported in NPPES; status is on the state search
Practice location
150 Motor Pkwy Ste 401, Hauppauge, NY 11788
Phone
(631) 885-1929
Enumerated
Nov 15, 2022
Record last updated
Jan 4, 2026
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.
Download card Updates feed

Also registered at 150 Motor Pkwy Ste 401

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

  1. Clarissa Castro, LCSWClinical Social Worker1942992730
  2. Kimberly Echeverria, MEDICAL ASSISTANTPhlebotomy Technician1124887989
  3. Ashley Heinlein, LPNLicensed Vocational Nurse1467122432
  4. Deidre Kaston, LCSWClinical Social Worker1104423920
  5. Alisha Martin, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1184339301
  6. Kevin Rich, NPPsychiatric/Mental Health Nurse Practitioner1487301164

Verify Danielle Marie Williamson 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 F404327-01
    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
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

20 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Danielle Williamson20
  2. Specialty average906

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.

Danielle Marie Williamson among 4,129 psychiatric/mental health nurse practitioner records in New York

Danielle Marie Williamson, PMHNP-BC is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 69% of them.

  • NPI issued2022 · 69% of these records are older, 24% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2026 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 psychiatric/mental health nurse practitioner records list a practice address in Hauppauge

They are 15 of the 1,043 NPPES records with a practice address in Hauppauge, and 4,129 psychiatric/mental health nurse practitioner records in New York.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Caitlyn DarcyHauppauge, NY 117881912628348
  2. Mike Jeanty, APRNHauppauge, NY 117881881820520
  3. Caroline LarosaHauppauge, NY 117881114635786
  4. Cheryl Meddles-Torres, FNP, PMHNP, ENPHauppauge, NY 117881295962454
  5. Jennifer MeltonHauppauge, NY 117881447837489
  6. James Morgan, NPHauppauge, NY 117881578018107
  7. Kevin Rich, NPHauppauge, NY 117881487301164
  8. Sylvia Simeone, DNP,PMHNP-BC, CNS-BCHauppauge, NY 117881851453880

Common questions

What is Danielle Marie Williamson, PMHNP-BC's NPI number?

Danielle Marie Williamson, PMHNP-BC's National Provider Identifier (NPI) is 1821707233, issued on Nov 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Danielle Marie Williamson, PMHNP-BC located?

The NPPES record lists a practice address at 150 Motor Pkwy Ste 401, Hauppauge, NY, 11788. Phone: (631) 885-1929. Providers update this record themselves, so call before visiting.

How can I verify Danielle Marie Williamson, PMHNP-BC's license?

NPPES lists New York license number F404327-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Danielle Marie Williamson, PMHNP-BC prescribe under Medicare Part D?

In 2024, Danielle Marie Williamson, PMHNP-BC had 20 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.