JAMES I GERHART (PH.D.) – Clinical Psychologist, NPI 1124457734

JAMES I GERHART (PH.D.) is a healthcare provider. based in Chicago, Illinois. specializing in Clinical Psychologist. They hold the professional credentials PH.D.. They hold a License No. 071008676 (IL). The NPI Number for JAMES I GERHART (PH.D.) is 1124457734

Main info

Male
15 Years Of Experience
Accepts Medicare Assignment
Name
JAMES I GERHART (PH.D.)
NPI
1124457734
Phone
(312) 942-8709
Address
1725 W HARRISON ST
Enumeration Date
4 November 2013
Last Update Date
19 July 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9897798999
Graduation Year
2011 (15 years ago)
PAC ID
2466689203
Group Practice PAC ID
7719942879
Professional Enrollment ID
I20181211003582
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience38
Completeness75
Years active:12State licenses:1Digital endpointsOther names

Provider Addresses for JAMES I GERHART (PH.D.)

  • 1725 W HARRISON ST

    SUITE 950

    CHICAGO, IL 606123841

    Phone: (312) 942-8709

    Fax: (312) 563-6071

    Type: Mailing

  • 201 S UNIVERSITY AVE

    MOUNT PLEASANT, MI 488582527

    Phone: (899) 779-8999

    Fax: (989) 779-2219

    Type: Location

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: 2018-12-11

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
I20181211003582IClinical PsychologistMITBD

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 60612)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719942879View full group profile

Reviews

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Frequently asked questions

Is JAMES I GERHART (PH.D.) listed with a National Provider Identifier?
Yes — JAMES I GERHART (PH.D.) has NPI 1124457734 on file in the registry.
Active or inactive — what applies to JAMES I GERHART (PH.D.)?
You should see JAMES I GERHART (PH.D.) as active in CMS-hosted NPPES data.
What expertise is attributed to JAMES I GERHART (PH.D.)?
JAMES I GERHART (PH.D.)'s specialty line reads Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Where in Illinois is JAMES I GERHART (PH.D.) registered?
Use Chicago, Illinois as the headline location for JAMES I GERHART (PH.D.) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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