DR. LEONARD EUGENE SWISTAK (PH.D.) – Clinical Psychologist, NPI 1093862682

DR. LEONARD EUGENE SWISTAK (PH.D.) is a healthcare provider. based in Auburn hills, Michigan. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 6301003918 (MI). The NPI Number for DR. LEONARD EUGENE SWISTAK (PH.D.) is 1093862682

Main info

Male
Sole Proprietor
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. LEONARD EUGENE SWISTAK (PH.D.)
NPI
1093862682
Phone
(248) 371-2255
Address
1525 UNIVERSITY DR
Enumeration Date
4 January 2007
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2488583000
Graduation Year
1980 (46 years ago)
PAC ID
1951470525
Professional Enrollment ID
I20080522000137
Address ID
MI483415023PO44405AVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,216 CLINICAL PSYCHOLOGIST in MI

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Provider Addresses for DR. LEONARD EUGENE SWISTAK (PH.D.)

  • Havenwyck Hospital, 1525, University Drive, Auburn Hills, Oakland County, Michigan, 48326, United States

    AUBURN HILLS, MI 483262673

    Phone: (248) 371-2255

    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: 2008-05-22

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
I20080522000137IClinical 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.

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
90791Psychiatric diagnostic evaluation4544$0
View full utilization report →

Insurance plans in this area (ZIP 48326)

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Reviews

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Frequently asked questions

What is DR. LEONARD EUGENE SWISTAK (PH.D.)'s NPI number?
DR. LEONARD EUGENE SWISTAK (PH.D.)'s NPI is 1093862682 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. LEONARD EUGENE SWISTAK (PH.D.)?
You should see DR. LEONARD EUGENE SWISTAK (PH.D.) as active in CMS-hosted NPPES data.
What kind of doctor is DR. LEONARD EUGENE SWISTAK (PH.D.)?
DR. LEONARD EUGENE SWISTAK (PH.D.) is associated with Clinical Psychologist in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with DR. LEONARD EUGENE SWISTAK (PH.D.)?
Directory geography for DR. LEONARD EUGENE SWISTAK (PH.D.) centers on Auburn Hills, Michigan.
Can I trust this NPI listing for DR. LEONARD EUGENE SWISTAK (PH.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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