NPPES file of Aug 9, 2026

Gregory Firestone, PH.D.

Clinical Psychologist · Tampa, FL

Gregory Firestone, PH.D. is a clinical psychologist with a practice address in Tampa, Florida, and NPI 1659580264, issued on May 21, 2007. Check the license (Florida PY3033, as entered in NPPES) on the Florida health license search; 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
1659580264
Name
Gregory Firestone
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PY3033 FL
Self-reported in NPPES; status is on the state search
Practice location
4228 Fairway Run, Tampa, FL 33618
Phone
(813) 494-7655
Enumerated
May 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Verify Gregory Firestone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PY3033
    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
Open the Florida license search

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Gregory Firestone among 2,980 clinical psychologist records in Florida

Gregory Firestone, PH.D. is one of 2,980 clinical psychologist records with a practice address in Florida. 14% 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 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 58% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 26% of these records are
  • Record last updated2007 · 63% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

285 clinical psychologist records list a practice address in Tampa

They are 285 of the 26,440 NPPES records with a practice address in Tampa, and 2,980 clinical psychologist records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Espy Ball, PH.D.Tampa, FL 336181568670750
  2. Lisa Christman, PH.D.Tampa, FL 336181568795862
  3. Michele Durrance, PSY.D.Tampa, FL 336181942350640
  4. Lisa Gaies, PH.D.Tampa, FL 336181952429730
  5. David Grabau, PSY.D.Tampa, FL 336181184705378
  6. Martin Greengrass, PH.D.Tampa, FL 336181932165107
  7. John Hendershot, PH.D.Tampa, FL 336181386813376
  8. Mark Lefkowitz, PH.D.Tampa, FL 336181760533772

Common questions

What is Gregory Firestone, PH.D.'s NPI number?

Gregory Firestone, PH.D.'s National Provider Identifier (NPI) is 1659580264, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Firestone, PH.D. located?

The NPPES record lists a practice address at 4228 Fairway Run, Tampa, FL, 33618. Phone: (813) 494-7655. Providers update this record themselves, so call before visiting.

How can I verify Gregory Firestone, PH.D.'s license?

NPPES lists Florida license number PY3033, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.