Guillermo W. Perez
Mental Health Counselor · Mastic Beach, NY
Guillermo W. Perez is a mental health counselor with a practice address in Mastic Beach, New York, and NPI 1023462298, issued on Apr 14, 2016. Check the license with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Guillermo W. Perez
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 29 Vista Place, Mastic Beach, NY 11951
- Phone
- (631) 295-7539
- Enumerated
- Apr 14, 2016
- Record last updated
- Apr 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 19,989 in New York → Look up another NPI →
Verify Guillermo W. Perez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Guillermo W. Perez among 19,989 mental health counselor records in New York
Guillermo W. Perez 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 2016, is newer than 30% of them.
- NPI issued2016 · 30% of these records are older, 66% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2016 · 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).
2 mental health counselor records list a practice address in Mastic Beach
They are 2 of the 162 NPPES records with a practice address in Mastic Beach, 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 Mastic Beach → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Patricia Mohn, LMHCMastic Beach, NY 119511396252169
- Ashley ArnoldMastic, NY 119501508404054
- Jamie Lauro, LMHCMastic, NY 119501295242246
- Jason Melia, LMHCMastic, NY 119501851983415
- Dominique MurenMastic, NY 119501346682580
- Heather O'ConnorMastic, NY 119501013604248
- Megan Ryan, MHC-LPMastic, NY 119501790205243
- Nicole Schulz, LMHCMattituck, NY 119521013139864
Common questions
What is Guillermo W. Perez's NPI number?
Guillermo W. Perez's National Provider Identifier (NPI) is 1023462298, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo W. Perez located?
The NPPES record lists a practice address at 29 Vista Place, Mastic Beach, NY, 11951. Phone: (631) 295-7539. Providers update this record themselves, so call before visiting.
How can I verify Guillermo W. Perez's license?
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.