JOHN M SHOWALTER (PHD) – Clinical Psychologist, NPI 1720077027

JOHN M SHOWALTER (PHD) is a healthcare provider. based in Columbus, Ohio. specializing in Clinical Psychologist. They hold the professional credentials PHD. They hold a License No. 897 (OH). The NPI Number for JOHN M SHOWALTER (PHD) is 1720077027

Main info

Male
Sole Proprietor
53 Years Of Experience
Accepts Medicare Assignment
Name
JOHN M SHOWALTER (PHD)
NPI
1720077027
Phone
(614) 488-6285
Address
1971 W 5TH AVE
Enumeration Date
19 October 2005
Last Update Date
27 March 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6144886285
Graduation Year
1973 (53 years ago)
PAC ID
6800787169
Group Practice PAC ID
2567353824
Professional Enrollment ID
I20070716000100
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN M SHOWALTER (PHD)

  • 1971, West 5th Avenue, Upper Arlington Historic District, Fifth by Northwest, Marble Cliff, Franklin County, Ohio, 43212, United States

    SUITE 2

    COLUMBUS, OH 432121905

    Phone: (614) 488-6285

    Fax: (614) 488-9592

    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: 2007-07-16

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
I20070716000100IClinical PsychologistOHTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
90791Psychiatric diagnostic evaluation1111$0
View full utilization report →

Insurance plans in this area (ZIP 43212)

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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: 2567353824View full group profile

Reviews

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Frequently asked questions

How do payers reference JOHN M SHOWALTER (PHD)?
For JOHN M SHOWALTER (PHD), use NPI 1720077027 as the unique 10-digit identifier.
Would JOHN M SHOWALTER (PHD) appear as active to a payer?
You can treat JOHN M SHOWALTER (PHD) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to JOHN M SHOWALTER (PHD)?
JOHN M SHOWALTER (PHD)'s specialty line reads Clinical Psychologist. Clinical services aligned with this taxonomy classification.
What practice footprint exists for JOHN M SHOWALTER (PHD)?
Travel planning: use Columbus, Ohio as the reference point for JOHN M SHOWALTER (PHD), then confirm.
Does JOHN M SHOWALTER (PHD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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