RATNAKAR RAJANAHALLY MD – NPI #1144204769
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

RATNAKAR RAJANAHALLY is a physician located in MUNSTER, IN. NPPES has assigned the NPI number 1144204769 to RATNAKAR RAJANAHALLY on December 06, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RC0000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Cardiovascular Disease

The NPI profile was last updated on Dec 15, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for RATNAKAR RAJANAHALLY below.

NPI Profile for
RATNAKAR RAJANAHALLY

NPI Number
1144204769
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
RATNAKAR RAJANAHALLY
Credentials
MD
Primary location
701 SUPERIOR AVE STE 4100
MUNSTER, IN 46321-4037
Phone: (219) 934-4080 Fax: (219) 934-4075
1 Other location(s):
24 Joliet St
Suite 401
Dyer, IN 46311-1705
Phone: (219) 865-0893
Fax: (219) 865-3599
Mailing address
PO BOX 781076
DETROIT, MI 48278-1076
Phone: (317) 528-4800 Fax: (317) 865-1479
Sole Proprietor
No
Updated
Certification Date
Dec 15, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for RATNAKAR RAJANAHALLY

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherANTHEM PININ000000188508
otherRR MEDICARE060062254
medicaidIN200317580A
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RC0000X
- Internal Medicine / Cardiovascular Disease (Primary)		 IN 01053109A
207RI0011X
- Internal Medicine / Interventional Cardiology		 IL 036-098182

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
2150 GETTLER ST STE 400,
DYER, IN 77025-1669
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
24 JOLIET ST,
DYER, IN 77025-1669

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
Affiliations
RATNAKAR RAJANAHALLY is affiliated with the following medical group(s):
  • HOSPITAL
    • COMMUNITY HOSPITAL
      901 MACARTHUR BLVD
      MUNSTER, IN 46321
    • FRANCISCAN HEALTH CROWN POINT
      1201 S MAIN ST
      CROWN POINT, IN 46307
    • FRANCISCAN HEALTH DYER
      24 JOLIET ST
      DYER, IN 46311
    • FRANCISCAN HEALTH MUNSTER
      701 SUPERIOR AVE
      MUNSTER, IN 46321
    • FRANCISCAN HEALTH OLYMPIA & CHICAGO HEIGHTS
      20201 S CRAWFORD AVENUE
      OLYMPIA FIELDS, IL 60461

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.