CHRISTOPHER RATNASAMY MD
NPI 1043411721
Internal Medicine - Interventional Cardiology in Grand Rapids, MI

Active since May 30, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
25 MICHIGAN ST NE, SUITE 4300, GRAND RAPIDS, MI 49503(616) 267-9150 Get Directions Write a Review

NPPES record last updated: April 14, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 14, 2021, Feb 19, 2021, Aug 16, 2018 and 1 more (4 updates tracked since 2016).

About Christopher Ratnasamy Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER RATNASAMY MD (NPI 1043411721) is an individual interventional cardiology provider in Grand Rapids, Michigan, licensed in Michigan (4301104221) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1043411721
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameCHRISTOPHER RATNASAMYCredential: MD
Location Address25 MICHIGAN ST NE, SUITE 4300Grand Rapids, MI 49503
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateMay 30, 2007
Last NPPES UpdateApril 14, 20214 updates tracked since enumeration
NPPES CertifiedApril 14, 2021
NPI 1043411721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in MI · 4301104221
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Adult Congenital Heart DiseaseTaxonomy 207RA0002X · License 4301104221 (MI)
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License 4301104221 (MI)
25 MICHIGAN ST NE, Grand Rapids, MI 49503

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Christopher Ratnasamy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315039302
PECOS Enrollment IDI20140107001260
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology (Maternal & Fetal Medicine)
25 MICHIGAN ST NE, MATERNAL FETAL MEDICINE DEPT
GRAND RAPIDS, MI 49503
Genetic Counselor, MS
25 MICHIGAN ST NE, SUITE 2000
GRAND RAPIDS, MI 49503
Urology
25 MICHIGAN ST NE, SUITE 3300
GRAND RAPIDS, MI 49503
Thoracic Surgery (Cardiothoracic Vascular Surgery)
25 MICHIGAN ST NE, SUITE 4300
GRAND RAPIDS, MI 49503
Neurological Surgery
25 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Urology
25 MICHIGAN ST NE, SUITE 3300
GRAND RAPIDS, MI 49503
Physician Assistant
25 MICHIGAN ST NE, SUITE 6100
GRAND RAPIDS, MI 49503
Physician Assistant (Medical)
25 MICHIGAN ST NE, SUITE 3300
GRAND RAPIDS, MI 49503

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Ratnasamy's NPI number?

The NPI number for Christopher Ratnasamy is 1043411721. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Christopher Ratnasamy located?

Christopher Ratnasamy practices at 25 Michigan St NE Suite 4300, Grand Rapids, MI 49503. The listed phone number is (616) 267-9150.

What is Christopher Ratnasamy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Christopher Ratnasamy enrolled in Medicare?

Yes. Christopher Ratnasamy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Christopher Ratnasamy accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Christopher Ratnasamy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christopher Ratnasamy affiliated with any hospitals?

According to CMS data, Christopher Ratnasamy is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Christopher Ratnasamy was last updated on April 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.