Peter D. Williamson, LCSW
Mental Health Counselor · New York, NY
Peter D. Williamson, LCSW is a mental health counselor with a practice address in New York, New York, and NPI 1245399567, issued on Dec 6, 2006. Check the license (New York 0718501, 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.
- Name
- Peter D. Williamson
- Credential
- LCSW
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 0718501 NY
Self-reported in NPPES; status is on the state search - Practice location
- 138 W 25TH St Ste 802A7, New York, NY 10001
- Phone
- (646) 427-8746
- Enumerated
- Dec 6, 2006
- Record last updated
- Apr 5, 2024
- Medicare enrollment
- Enrolled (PECOS I20060301000326); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 19,989 in New York → Look up another NPI →
Verify Peter D. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 0718501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter D. Williamson among 19,989 mental health counselor records in New York
Peter D. Williamson, LCSW is one of 19,989 mental health counselor records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 96% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1998 · median 2018 among the 2,142 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,794 mental health counselor records list a practice address in New York
They are 3,794 of the 98,468 NPPES records with a practice address in New York, and 19,989 mental health counselor records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 19,989 in New York → Every provider in New York → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Susan Alexander, LMHCNew York, NY 100011952314437
- Jonathan AlpertNew York, NY 100011487705596
- Femitchell Ashley, M.A.New York, NY 100011780808345
- Michael BarbaryNew York, NY 100011437268349
- Shani Byrne, M.A., ED.M, LMHCNew York, NY 100011184844722
- Rosemarie Chatterton, MA,LMHCNew York, NY 100011356414676
- Kaerensa Craft, LCSWNew York, NY 100011720103807
- Alexandra Epstein, LMHCNew York, NY 100011902016249
Common questions
What is Peter D. Williamson, LCSW's NPI number?
Peter D. Williamson, LCSW's National Provider Identifier (NPI) is 1245399567, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter D. Williamson, LCSW located?
The NPPES record lists a practice address at 138 W 25TH St Ste 802A7, New York, NY, 10001. Phone: (646) 427-8746. Providers update this record themselves, so call before visiting.
How can I verify Peter D. Williamson, LCSW's license?
NPPES lists New York license number 0718501, 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.