MICHAEL SEAN GRIMLEY (M.D.) – Pediatric Hematology & Oncology Physician, NPI 1780641555

MICHAEL SEAN GRIMLEY (M.D.) is a healthcare provider. based in Cincinnati, Ohio. specializing in Pediatric Hematology & Oncology Physician. They hold the professional credentials M.D.. They hold a License No. 35.070470 (OH). The NPI Number for MICHAEL SEAN GRIMLEY (M.D.) is 1780641555

Main info

Male
Name
MICHAEL SEAN GRIMLEY (M.D.)
NPI
1780641555
Phone
(513) 636-4266
Address
3333 BURNET AVE.
Enumeration Date
27 April 2006
Last Update Date
18 August 2010
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 MICHAEL SEAN GRIMLEY (M.D.)

  • Cincinnati Children’s Hospital Medical Center, 3333, Burnet Avenue, Pill Hill, Corryville, Cincinnati, Hamilton County, Ohio, 45229-3026, United States

    ML 7015

    CINCINNATI, OH 452293039

    Phone: (513) 636-4266

    Fax: (513) 636-3549

    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)

CMS reports 17 Open Payments records for all available years, with a total value of $13,290.

Total Amount is formed as General ($13,290) + Research ($0) + Ownership ($0) = $13,290.

Last reported payment date: 2024-06-26 • Largest payer in this snapshot: VERTEX PHARMACEUTICALS INCORPORATED ($8,734).

Total Amount

$13,290

General + Research + Ownership

Payments

17

Total payment records

General Amount

$13,290

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-26

Latest reported date

Top Companies

Largest payers in this snapshot

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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: 2010-06-25

PECOS data refreshed: 2026-06-15

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
I20100625000134IHematology/OncologyOHTBD

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 45229)

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Reviews

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Frequently asked questions

What unique ID ties claims to MICHAEL SEAN GRIMLEY (M.D.)?
NPI 1780641555 is assigned to MICHAEL SEAN GRIMLEY (M.D.) under the national enumeration system.
Is MICHAEL SEAN GRIMLEY (M.D.)'s NPI currently valid?
The extract we use shows MICHAEL SEAN GRIMLEY (M.D.) as active.
What does MICHAEL SEAN GRIMLEY (M.D.) treat or focus on?
Patients typically see MICHAEL SEAN GRIMLEY (M.D.) under the specialty Pediatric Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Does MICHAEL SEAN GRIMLEY (M.D.) practice in Ohio?
You will see Cincinnati, Ohio on file for MICHAEL SEAN GRIMLEY (M.D.) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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