SEAN MICHAEL OSTENDORF – Mental Health Counselor, NPI 1861072845

SEAN MICHAEL OSTENDORF is a healthcare provider. based in Waterloo, Iowa. specializing in MENTAL HEALTH COUNSELOR. The NPI Number for SEAN MICHAEL OSTENDORF is 1861072845

Main info

Male
8 Years Of Experience
Accepts Medicare Assignment
Name
SEAN MICHAEL OSTENDORF
NPI
1861072845
Phone
(800) 531-4236
Address
3261 UNIVERSITY AVE
Enumeration Date
13 April 2021
Last Update Date
15 February 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8005314236
Graduation Year
2018 (8 years ago)
PAC ID
9234671983
Group Practice PAC ID
1456610419
Professional Enrollment ID
I20240610000842
Address ID
IA507025829WA227XXDRXX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience30
Completeness75
Years active:5State licenses:0Digital endpointsOther names

630 MENTAL HEALTH COUNSELOR in IA

Provider Addresses for SEAN MICHAEL OSTENDORF

  • 3261 UNIVERSITY AVE

    WATERLOO, IA 507012051

    Phone: (800) 531-4236

    Fax: (319) 483-6661

    Type: Mailing

  • 3362 UNIVERSITY AVE

    WATERLOO, IA 507012006

    Phone: (319) 235-6571

    Fax: (319) 235-6028

    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: 2024-06-10

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
I20240610000842IMental Health CounselorIATBD

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 50701)

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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: 1456610419View full group profile
NameSpecialtyState
-IA
Mental Health CounselorIA
-IA
Mental Health CounselorIA
Mental Health CounselorIA
Mental Health CounselorIA
Clinical Social WorkerIA

Reviews

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Frequently asked questions

Does SEAN MICHAEL OSTENDORF have a public NPI I can cite?
Public records show SEAN MICHAEL OSTENDORF under NPI 1861072845.
Is SEAN MICHAEL OSTENDORF's NPI status active today?
Active status means SEAN MICHAEL OSTENDORF's NPI record is not deactivated in the public file.
What does the directory say SEAN MICHAEL OSTENDORF does?
Insurance directories may phrase it differently, but here SEAN MICHAEL OSTENDORF maps to Mental Health Counselor. Clinical services aligned with this taxonomy classification.
What geographic area is tied to SEAN MICHAEL OSTENDORF?
SEAN MICHAEL OSTENDORF is associated with Waterloo, Iowa in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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