DR. GREGORY L. MAYER (PHD) – Clinical Psychologist, NPI 1518048917

DR. GREGORY L. MAYER (PHD) is a healthcare provider. based in Ogden, Utah. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PHD. They hold a License No. 1160862501 (UT). The NPI Number for DR. GREGORY L. MAYER (PHD) is 1518048917

Main info

Male
Sole Proprietor
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGORY L. MAYER (PHD)
NPI
1518048917
Phone
(801) 479-8286
Address
4699 HARRISON BLVD
Enumeration Date
18 October 2006
Last Update Date
30 October 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8014750712
Graduation Year
1989 (37 years ago)
PAC ID
9739193889
Professional Enrollment ID
I20060127000774
Address ID
UT844034822SO1496X5600301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

235 CLINICAL PSYCHOLOGIST in UT

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Provider Addresses for DR. GREGORY L. MAYER (PHD)

  • 4699, Harrison Boulevard, Ogden, Weber County, Utah, 84403, United States

    SUITE 300

    OGDEN, UT 844034396

    Phone: (801) 479-8286

    Fax: (801) 479-8247

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-01-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060127000774IClinical PsychologistUTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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 84403)

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Reviews

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Frequently asked questions

What federal number belongs to DR. GREGORY L. MAYER (PHD)?
The federal identifier for DR. GREGORY L. MAYER (PHD) is NPI 1518048917.
Is DR. GREGORY L. MAYER (PHD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Does DR. GREGORY L. MAYER (PHD) list a primary specialty?
If you are matching referrals, note Clinical Psychologist for DR. GREGORY L. MAYER (PHD). Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. GREGORY L. MAYER (PHD)?
The page summarizes Ogden, Utah for DR. GREGORY L. MAYER (PHD); expand the address list for detail.
How can I contact DR. GREGORY L. MAYER (PHD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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