CHRISTOPHER RATNASAMY (MD) – Interventional Cardiology Physician, NPI 1043411721

CHRISTOPHER RATNASAMY (MD) is a healthcare provider. based in Grand rapids, Michigan. specializing in PEDIATRIC MEDICINE, CARDIAC ELECTROPHYSIOLOGY, CARDIOVASCULAR DISEASE (CARDIOLOGY). They hold the professional credentials MD. They hold a License No. 4301104221 (MI). The NPI Number for CHRISTOPHER RATNASAMY (MD) is 1043411721

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
CHRISTOPHER RATNASAMY (MD)
NPI
1043411721
Phone
Not provided
Address
100 MICHIGAN ST NE
Enumeration Date
30 May 2007
Last Update Date
14 April 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6163915600
Graduation Year
1997 (29 years ago)
PAC ID
7315039302
Group Practice PAC ID
4587568647
Professional Enrollment ID
I20140107001260
Address ID
MI495084600KE4444XSEXX401

Contacts

Secure Messaging
Christopher.Ratnasamy@epic00.shdirect.org
FHIR Endpoint
https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience72
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

1,204 PEDIATRIC MEDICINE in MI

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Provider Addresses for CHRISTOPHER RATNASAMY (MD)

  • Spectrum Health Butterworth Hospital, 100, Michigan Street Northeast, Grand Rapids, Kent County, Michigan, 49503, United States

    MC 845

    GRAND RAPIDS, MI 495032560

    Phone:

    Type: Mailing

  • 25, Michigan Street Northeast, Grand Rapids, Kent County, Michigan, 49503, United States

    SUITE 4300

    GRAND RAPIDS, MI 49503

    Phone: (616) 267-9150

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $81.

Total Amount is formed as General ($81) + Research ($0) + Ownership ($0) = $81.

Last reported payment date: 2024-09-10 • Largest payer in this snapshot: Abbott Laboratories ($44).

Total Amount

$81

General + Research + Ownership

Payments

3

Total payment records

General Amount

$81

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-10

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2014-01-07

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
I20140107001260IPediatric MedicineMITBD

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 49503)

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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: 4587568647View full group profile
NameSpecialtyState
Critical Care (Intensivists)IL
Physician AssistantMI
Physician AssistantMI
Physician AssistantMI
-MI
Vascular SurgeryIL
-MI
-MI
A N E S T H E S I O L O G YTX
Clinical Social WorkerMI

Reviews

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Frequently asked questions

How is CHRISTOPHER RATNASAMY (MD) identified in CMS data?
CMS-hosted NPPES data lists CHRISTOPHER RATNASAMY (MD) with NPI 1043411721.
Does the file indicate CHRISTOPHER RATNASAMY (MD) is practicing under active NPI?
Directory data currently reports CHRISTOPHER RATNASAMY (MD) as active.
What is CHRISTOPHER RATNASAMY (MD)'s specialty?
The listing groups CHRISTOPHER RATNASAMY (MD) with Interventional Cardiology Physician. Clinical services aligned with this taxonomy classification.
Does CHRISTOPHER RATNASAMY (MD) list a practice location?
Patients near Grand Rapids, Michigan may find CHRISTOPHER RATNASAMY (MD) in results; validate coverage separately.
Is the information about CHRISTOPHER RATNASAMY (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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