MR. JOHN THOMAS HUMMER (PHD.) – Clinical Psychologist, NPI 1598869778

MR. JOHN THOMAS HUMMER (PHD.) is a healthcare provider. based in Bay pines, Florida. specializing in Clinical Psychologist. They hold the professional credentials PHD.. They hold a License No. PY0005168 (FL). The NPI Number for MR. JOHN THOMAS HUMMER (PHD.) is 1598869778

Main info

Male
Name
MR. JOHN THOMAS HUMMER (PHD.)
NPI
1598869778
Phone
(727) 398-6661
Address
VETERANS ADMINISTRATION MEDICAL CENTER
Enumeration Date
11 September 2006
Last Update Date
1 February 2022
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness75
Years active:19State licenses:2Digital endpointsOther names

Provider Addresses for MR. JOHN THOMAS HUMMER (PHD.)

  • VETERANS ADMINISTRATION MEDICAL CENTER

    1000 BAY PINES BOULEVARD

    BAY PINES, FL 33744

    Phone: (727) 398-6661

    Fax: (727) 398-9509

    Type: Location

  • 5005, Hillcrest Drive, Hathaways Mountain Pines, Arnold, Calaveras County, California, 95223, United States

    BAY PINES, FL 33744

    Phone: (727) 398-6661

    Fax: (727) 398-9509

    Type: Mailing

  • 1167 SPRATLIN PARK DRIVE

    GRAY, TN 37615

    Phone: (423) 467-3600

    Fax: (423) 467-3644

    Type: Mailing

  • 1570 WAVERLY ROAD

    KINGSPORT, TN 37664

    Phone: (423) 224-1300

    Fax: (423) 224-1375

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 33744)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Is MR. JOHN THOMAS HUMMER (PHD.) listed with a National Provider Identifier?
Yes — MR. JOHN THOMAS HUMMER (PHD.) has NPI 1598869778 on file in the registry.
Active or inactive — what applies to MR. JOHN THOMAS HUMMER (PHD.)?
You should see MR. JOHN THOMAS HUMMER (PHD.) as active in CMS-hosted NPPES data.
How would a patient describe MR. JOHN THOMAS HUMMER (PHD.)'s focus?
For MR. JOHN THOMAS HUMMER (PHD.), the primary taxonomy reads as Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Where in Florida is MR. JOHN THOMAS HUMMER (PHD.) registered?
Use Bay Pines, Florida as the headline location for MR. JOHN THOMAS HUMMER (PHD.) here.
Can I trust this NPI listing for MR. JOHN THOMAS HUMMER (PHD.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

Similar Providers

DR. SUEANN GARRISON (PH.D.)

Clinical Psychologist
7635 SANTEE TER
NPI: 1578572566

MARY MORGAN LEVENSON (PH.D.)

Clinical Psychologist
448, 22nd Street, Belleair Beach, Pinellas County, Florida, 33786, United States
NPI: 1538172770
8500 144TH LN
NPI: 1285748012

DR. DAVID LEWIS SLACK (PH.D.)

Health Service Psychologist
8144 128TH ST
NPI: 1558476861

DR. LAWRENCE J MILLER (PHD)

Clinical Psychologist
6600 100TH WAY N APT 24A
NPI: 1093824237

DR. WAYNE L. HARTMAN (PH.D.)

Clinical Psychologist
93rd Avenue, Seminole, Pinellas County, Florida, 33772, United States
NPI: 1124129853

DR. BREINNE SCHLENKE (PSY.D.)

Clinical Psychologist
10,000 BAY PINES BLVD
NPI: 1629146840

DR. LAURIE ANNE LAMONDE (PH.D.)

Clinical Psychologist
1050 SILVER DR.
NPI: 1346376159

DR. DAWN FLOE JOHNSON (PHD)

Clinical Psychologist
5005, Hillcrest Drive, Hathaways Mountain Pines, Arnold, Calaveras County, California, 95223, United States
NPI: 1598961138