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DR. NATRAJ REDDY AMMAKKANAVAR M.D
NPI 1376850461
Internal Medicine - Medical Oncology in Indianapolis, IN

Active since September 10, 2010PECOS EnrolledAccepts Medicare Assignment
7979 N SHADELAND AVE, STE 200, INDIANAPOLIS, IN 46250(317) 621-4300(317) 621-4301 Get Directions Write a Review

NPPES record last updated: September 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 6, 2023, Oct 1, 2020, Feb 7, 2017 and 3 more (6 updates tracked since 2016).

About Dr. Natraj Reddy Ammakkanavar M.d NPPES

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

DR. NATRAJ REDDY AMMAKKANAVAR M.D (NPI 1376850461) is an individual medical oncology provider in Indianapolis, Indiana, licensed in Indiana (01070925A) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Community Howard Regional Health Inc., and is a graduate of Other (2007).

NPPES Registry Identity

NPI1376850461
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. NATRAJ REDDY AMMAKKANAVARCredential: M.D
Location Address7979 N SHADELAND AVE, STE 200Indianapolis, IN 46250-2042
Mailing Address6626 E 75th St Ste 500Indianapolis, IN 46250-2890 · (317) 621-4300 · Fax (317) 621-4301
Phone(317) 621-4300
Fax(317) 621-4301
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateSeptember 10, 2010
Last NPPES UpdateSeptember 6, 20236 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2023
✔ NPI 1376850461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in IN · 01070925A
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 01070925A (IN)
7979 N SHADELAND AVE, Indianapolis, IN 46250
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Other Identifiers 4

Medicaid201125110IN
Other000000943086IN · Anthem
OtherP01751209IN · Rr Medicare
OtherP01512377IN · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Natraj Reddy Ammakkanavar M.d 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 ID3870739667
PECOS Enrollment IDI20150615002194
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Natraj Ammakkanavar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Physician Network Specialty Care LLC
0.2 mi
Cardiovascular Disease
8075 N SHADELAND AVE
Indianapolis, IN 46250
  • Reassigned Medicare billing, Indiana enrollment
  • 266 clinicians in this Medicare group
NPI 1588535496 (317) 621-8000
Community Physicians Of Indiana Inc
1.0 mi
Family Medicine
7240 SHADELAND STATION, SUITE 300
Indianapolis, IN 46256
  • Reassigned Medicare billing, Indiana enrollment
  • 2,087 clinicians in this Medicare group
NPI 1619105244 (317) 355-5555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

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.
891 services368 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.
215 services82 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
190 services111 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
122 services83 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
87 services87 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.
67 services51 patients

Hospital Affiliations CMS Care Compare 5

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

Community Howard Regional Health Inc.

Acute Care Hospitals · Kokomo, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150007
Location3500 S Lafountain StKokomo, IN 46902 · Howard County
Emergency services Birthing friendly

Community Hospital East

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150074
Location1500 N Ritter AveIndianapolis, IN 46219 · Marion County
Emergency services Birthing friendly

Community Hospital Of Anderson And Madison County

Acute Care Hospitals · Anderson, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150113
Location1515 N Madison AveAnderson, IN 46011 · Madison County
Emergency services Birthing friendly

Community Hospital South, Inc.

Acute Care Hospitals · Indianapolis, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150128
Location1402 E County Line Rd SIndianapolis, IN 46227 · Marion County
Emergency services Birthing friendly

Community Hospital North

Acute Care Hospitals · Indianapolis, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150169
Location7150 Clearvista DrIndianapolis, IN 46256 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46250 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers16 claims16 services$14.41 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers24 claims24 services$67.08 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims844 services$0.84 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. KATHERINE ANN KUNKEL PHARMD
Pharmacist (Ambulatory Care)
7979 N SHADELAND AVE
INDIANAPOLIS, IN 46250
Marion County (317) 621-3801
PABLO M BEDANO MD
Internal Medicine (Medical Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300
RADHIKA V WALLING M.D.
Internal Medicine (Medical Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300
LINDSEY M ADDINGTON NP
Nurse Practitioner (Gerontology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300
BILAL K SIDDIQUI MD
Internal Medicine (Hematology & Oncology)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300
MRS. EMILY CLAIRE BURT CASE NP
Nurse Practitioner (Gerontology)
7979 N SHADELAND AVE
INDIANAPOLIS, IN 46250
Marion County (317) 621-4333
KRISTI K ORBAUGH NP
Nurse Practitioner
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300
MRS. JENNA R PULFER NP
Nurse Practitioner (Family)
7979 N SHADELAND AVE, STE 200
INDIANAPOLIS, IN 46250
Marion County (317) 621-4300

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 Natraj Ammakkanavar's NPI number?

The NPI number for Natraj Ammakkanavar is 1376850461. It was assigned to this individual provider in the NPPES registry on September 10, 2010.

Where is Natraj Ammakkanavar located?

Natraj Ammakkanavar practices at 7979 N Shadeland Ave Ste 200, Indianapolis, IN 46250. The listed phone number is (317) 621-4300.

What is Natraj Ammakkanavar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Natraj Ammakkanavar enrolled in Medicare?

Yes. Natraj Ammakkanavar 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.

Which organizations bill Medicare for Natraj Ammakkanavar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natraj Ammakkanavar reassigns Medicare benefits to 2 organizations: Community Physician Network Specialty Care LLC (Indianapolis, IN) and Community Physicians Of Indiana Inc (Indianapolis, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Natraj Ammakkanavar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Natraj Ammakkanavar accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Natraj Ammakkanavar 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 Natraj Ammakkanavar affiliated with any hospitals?

According to CMS data, Natraj Ammakkanavar is affiliated with Community Howard Regional Health Inc., Community Hospital East, Community Hospital Of Anderson And Madison County, Community Hospital South, Inc. and Community Hospital North.

When was this NPI record last updated?

The NPPES record for Natraj Ammakkanavar was last updated on September 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.