JOHN DAVID BAYLESS (PHD) – Psychologist, NPI 1467448738

JOHN DAVID BAYLESS (PHD) is a healthcare provider. based in Madison, Wisconsin. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PHD. They hold a License No. 00438 (IA). The NPI Number for JOHN DAVID BAYLESS (PHD) is 1467448738

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
JOHN DAVID BAYLESS (PHD)
NPI
1467448738
Phone
(319) 356-2063
Address
4785 HAYES RD STE 100
Enumeration Date
22 September 2005
Last Update Date
4 August 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6082427160
Graduation Year
1986 (40 years ago)
PAC ID
8224154224
Group Practice PAC ID
3577505510
Professional Enrollment ID
I20131029001174
Address ID
WI537047364MA4785XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience83
Completeness75
Years active:20State licenses:2Digital endpointsOther names

667 CLINICAL PSYCHOLOGIST in WI

Provider Addresses for JOHN DAVID BAYLESS (PHD)

  • 4785 HAYES RD STE 100

    MADISON, WI 537047364

    Phone: (319) 356-2063

    Fax: (319) 356-2587

    Type: Mailing

  • University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States

    IOWA CITY, IA 522421009

    Phone: (319) 356-2063

    Fax: (319) 356-2587

    Type: Mailing

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: 2013-10-29

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
I20131029001174IClinical PsychologistWITBD

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 53704)

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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: 3577505510View full group profile
NameSpecialtyState
-WI
Mental Health CounselorWI
Clinical PsychologistWI

Reviews

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Frequently asked questions

Is JOHN DAVID BAYLESS (PHD) listed with a National Provider Identifier?
Yes — JOHN DAVID BAYLESS (PHD) has NPI 1467448738 on file in the registry.
Would JOHN DAVID BAYLESS (PHD) appear as active to a payer?
You can treat JOHN DAVID BAYLESS (PHD) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to JOHN DAVID BAYLESS (PHD)?
JOHN DAVID BAYLESS (PHD)'s specialty line reads Psychologist. Clinical services aligned with this taxonomy classification.
Is JOHN DAVID BAYLESS (PHD) located near Madison?
JOHN DAVID BAYLESS (PHD) currently maps to Madison, Wisconsin in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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