RATNAKAR RAJANAHALLY MD
NPI 1144204769
Internal Medicine - Cardiovascular Disease in Munster, IN

Active since December 06, 2005PECOS EnrolledAccepts Medicare Assignment
701 SUPERIOR AVE STE 4100, MUNSTER, IN 46321(219) 934-4080(219) 934-4075 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 15, 2025, Aug 23, 2023, Mar 15, 2021 (3 updates tracked since 2021).

About Ratnakar Rajanahally Md NPPES

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

RATNAKAR RAJANAHALLY MD (NPI 1144204769) is an individual cardiovascular disease provider in Munster, Indiana, licensed in Indiana (01053109A) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Olympia & Chicago Heights, and maintains a secondary practice location in Dyer.

NPPES Registry Identity

NPI1144204769
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameRATNAKAR RAJANAHALLYCredential: MD
Location Address701 SUPERIOR AVE STE 4100Munster, IN 46321-4037
Mailing AddressPo Box 781076Detroit, MI 48278-1076 · (317) 528-4800 · Fax (317) 865-1479
Fax(219) 934-4075
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateDecember 6, 2005
Last NPPES UpdateDecember 15, 20253 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
NPI 1144204769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in IN · 01053109A
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 036-098182 (IL), 01053109A (IN)
701 SUPERIOR AVE STE 4100, Munster, IN 46321

Secondary Practice Location 1

Location 124 Joliet St, Suite 401Dyer, IN 46311-1705 · Phone (219) 865-0893 · Fax (219) 865-3599

Other Identifiers 3

Other000000188508IN · Anthem Pin
Other060062254Rr Medicare
Medicaid200317580AIN

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

Ratnakar Rajanahally 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 ID7517978471
PECOS Enrollment IDI20101111000832
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.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
507 services478 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
408 services355 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
227 services224 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
208 services152 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
103 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
83 services71 patients

Hospital Affiliations CMS Care Compare 5

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

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140172
Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County
Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150090
Location24 Joliet StDyer, IN 46311 · Lake County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Franciscan Health Crown Point

Acute Care Hospitals · Crown Point, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150126
Location12750 Saint Francis DriveCrown Point, IN 46307 · Lake County
Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150165
Location701 Superior AveMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46321 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

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

Nurse Practitioner (Adult Health)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Nurse Practitioner (Adult Health)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Nurse Practitioner (Adult Health)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Internal Medicine (Cardiovascular Disease)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Internal Medicine (Cardiovascular Disease)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Internal Medicine (Clinical Cardiac Electrophysiology)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Internal Medicine (Pulmonary Disease)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321
Internal Medicine (Interventional Cardiology)
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321

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 Ratnakar Rajanahally's NPI number?

The NPI number for Ratnakar Rajanahally is 1144204769. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Ratnakar Rajanahally located?

Ratnakar Rajanahally practices at 701 Superior Ave Ste 4100, Munster, IN 46321. The listed phone number is (219) 934-4080.

What is Ratnakar Rajanahally's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Ratnakar Rajanahally enrolled in Medicare?

Yes. Ratnakar Rajanahally 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 Ratnakar Rajanahally accept?

Health plans from CareSource list Ratnakar Rajanahally 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 Ratnakar Rajanahally affiliated with any hospitals?

According to CMS data, Ratnakar Rajanahally is affiliated with Franciscan Health Olympia & Chicago Heights, Franciscan Health Dyer, Community Hospital, Franciscan Health Crown Point and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Ratnakar Rajanahally was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.