NPPES file of Aug 9, 2026

Stephen Michael Guido, PH.D.

Clinical Psychologist · Commack, NY

Stephen Michael Guido, PH.D. is a clinical psychologist with a practice address in Commack, New York, and NPI 1588698070, issued on Jul 10, 2006. Check the license (New York 4207, 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
1588698070
Name
Stephen Michael Guido
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
4207 NY
Self-reported in NPPES; status is on the state search
Practice location
35 Crooked Hill RD, Commack, NY 11725
Phone
(631) 462-5344
Enumerated
Jul 10, 2006
Record last updated
Feb 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(631) 462-9133
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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8 nearest clinical psychologist records → All 6,558 in New York → Look up another NPI →

Also registered at 35 Crooked Hill RD

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

  1. James Browne, PSYD.Clinical Psychologist1194946525
  2. Lisa Gische, PH.D.Clinical Psychologist1508196536
  3. Glenda Gregory, LCSWClinical Social Worker1427107960
  4. Hedy Montalvo, L.C.S.W.Clinical Social Worker1831463603
  5. Jeffery Pomerantz, PH.D.Clinical Child & Adolescent Psychologist1215087010
  6. Dominick Scalise, LCSWClinical Social Worker1083755078

Verify Stephen Michael Guido 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 4207    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

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Stephen Michael Guido among 6,558 clinical psychologist records in New York

Stephen Michael Guido, PH.D. is one of 6,558 clinical psychologist records with a practice address in New York. 7% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 75% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2010 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 clinical psychologist records list a practice address in Commack

They are 31 of the 1,341 NPPES records with a practice address in Commack, and 6,558 clinical psychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,558 in New York → Every provider in Commack → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Daniel Boyle, PH.D.Commack, NY 117251184706715
  2. Michael Eberlin, PH.D.Commack, NY 117251588648919
  3. Barbara Fisher, PH.D.Commack, NY 117251780737700
  4. Alan Kaplan, PSY.D.Commack, NY 117251407851686
  5. Stephen Kaplan, PH.D.Commack, NY 117251649208752
  6. Sharon Leon, PH.D.Commack, NY 117251760437255
  7. Christine Marra, PH.DCommack, NY 117251043238785
  8. Susan Nissen, PH.D.Commack, NY 117251518015650

Common questions

What is Stephen Michael Guido, PH.D.'s NPI number?

Stephen Michael Guido, PH.D.'s National Provider Identifier (NPI) is 1588698070, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Michael Guido, PH.D. located?

The NPPES record lists a practice address at 35 Crooked Hill RD, Commack, NY, 11725. Phone: (631) 462-5344. Providers update this record themselves, so call before visiting.

How can I verify Stephen Michael Guido, PH.D.'s license?

NPPES lists New York license number 4207, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.