Gregory Collier
Addiction (Substance Use Disorder) Counselor · Monticello, NY
Gregory Collier is an addiction (substance use disorder) counselor with a practice address in Monticello, New York, and NPI 1700265154, issued on May 19, 2015. Check the license (New York 23071, 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
- Gregory Collier
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 23071 NY
Self-reported in NPPES; status is on the state search - Practice location
- 17 Hamilton Ave, Monticello, NY 12701
- Phone
- (845) 794-8080
- Enumerated
- May 19, 2015
- Record last updated
- May 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 17 Hamilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shirley Blum, LPNLicensed Practical Nurse1922465038
- Rachel BomgardnerMental Health Counselor1295113074
- Donna BrodieAddiction (Substance Use Disorder) Counselor1972054260
- Rodrick CashRehabilitation Counselor1902285778
- Ava Dolnick, CASAC-TAddiction (Substance Use Disorder) Counselor1093243859
- Joao Festa, CASAC TAddiction (Substance Use Disorder) Counselor1669156253
Verify Gregory Collier 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 23071Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59 addiction (substance use disorder) counselor records list a practice address in Monticello
They are 59 of the 506 NPPES records with a practice address in Monticello, and 5,180 addiction (substance use disorder) counselor records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59 in Monticello → All 5,180 in New York → Every provider in Monticello →
Other addiction (substance use disorder) counselor records in New York
- Cecilia AbadillaPort Jervis, NY1891394458
- Cody Abbatoy, CRPATruxton, NY1568390912
- Brittney AbbottGloversville, NY1447070875
- Yasmin Abdelgadir, CASAC-TBrooklyn, NY1699607994
- Bilal AbdullahStaten Island, NY1154706901
- Mary Abdullah, MASTER CASACPoughkeepsie, NY1740016625
- Khalil Abdur-RashidMonticello, NY1164741450
- Laura Abrahamsen, CASACTBrooklyn, NY1831457944
- Jennifer Abrams, CASAC 2Schoharie, NY1700532132
- Michael Abramsky, CASACBrentwood, NY1104558329
Common questions
What is Gregory Collier's NPI number?
Gregory Collier's National Provider Identifier (NPI) is 1700265154, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Collier located?
The NPPES record lists a practice address at 17 Hamilton Ave, Monticello, NY, 12701. Phone: (845) 794-8080. Providers update this record themselves, so call before visiting.
How can I verify Gregory Collier's license?
NPPES lists New York license number 23071, 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.