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DR. KAREN RENEE NATOLI M.D.
NPI 1649591538
Surgery in Indianapolis, IN

Active since June 15, 2010PECOS EnrolledAccepts Medicare Assignment
1400 N RITTER AVE, SUITE 120, INDIANAPOLIS, IN 46219(317) 355-1000(317) 355-5440 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 22, 2020, Jan 25, 2017, Oct 26, 2016 and 2 more (5 updates tracked since 2016).

About Dr. Karen Renee Natoli M.d. NPPES

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

DR. KAREN RENEE NATOLI M.D. (NPI 1649591538) is an individual surgery provider in Indianapolis, Indiana, licensed in Indiana (01077491A) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Community Hospital East, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2010).

NPPES Registry Identity

NPI1649591538
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. KAREN RENEE NATOLICredential: M.D.
Location Address1400 N RITTER AVE, SUITE 120Indianapolis, IN 46219-3052
Mailing Address6626 E 75th St, Ste 500Indianapolis, IN 46250-2805
Phone(317) 355-1000
Fax(317) 355-5440
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2010
Enumeration DateJune 15, 2010
Last NPPES UpdateNovember 27, 20235 updates tracked since enumeration
NPPES CertifiedOctober 22, 2020
✔ NPI 1649591538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in IN · 01077491A✔ Licensed in MD · D79616✔ Licensed in IL · 125057795
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1400 N RITTER AVE, Indianapolis, IN 46219
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Other Names 1

Former Name (1)Dr. Karen Renee Brown M.d.

Other Identifiers 2

OtherP01751340IN · Rr Medicare
Medicaid201394360IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, Cigna Healthcare 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. Karen Renee Natoli 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 ID4587970207
PECOS Enrollment IDI20161012000508
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 Reassignment

Medicare enrollment records show Karen Natoli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Physicians Of Indiana Inc
7.0 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 7

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.

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.
30 services13 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
20 services16 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.
14 services14 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
14 services14 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
13 services13 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.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

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 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 46219 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
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 20

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

COMMUNITY HOSPITALS OF INDIANA INC
Neurological Surgery
1400 N RITTER AVE, SUITE 231
INDIANAPOLIS, IN 46219
Marion County (317) 355-1470
INDIANA ORTHOPAEDIC CENTER
Orthopaedic Surgery
1400 N RITTER AVE, SUITE 351
INDIANAPOLIS, IN 46219
Marion County (317) 588-2663
COMMUNITY GASTROENTEROLOGY PC
Internal Medicine (Gastroenterology)
1400 N RITTER AVE, STE 210
INDPLS, IN 46219
Marion County (317) 355-4191
ROBERT STANLEY FLINT II MD PHD
Psychiatry & Neurology (Neurology)
1400 N RITTER AVE, SUITE 451
INDIANAPOLIS, IN 46219
Marion County (317) 356-8301
COMMUNITY HOSPITALS OF INDIANA
Orthopaedic Surgery
1400 N RITTER AVE, SUITE 510
INDIANAPOLIS, IN 46219
Marion County (317) 355-2050
COMMUNITY PHYSICIANS OF INDIANA INC
Orthopaedic Surgery
1400 N RITTER AVE, SUITE 510
INDIANAPOLIS, IN 46219
Marion County (317) 355-2050
NASRALLAH HADDAD M.D.
Surgery
1400 N RITTER AVE, SUITE 330
INDIANAPOLIS, IN 46219
Marion County (317) 355-1000
KEVIN G MCAREE M.D.
Surgery
1400 N RITTER AVE, SUITE 120
INDIANAPOLIS, IN 46219
Marion County (317) 355-1000

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 Karen Natoli's NPI number?

The NPI number for Karen Natoli is 1649591538. It was assigned to this individual provider in the NPPES registry on June 15, 2010. The provider is also known as Dr. Karen Renee Brown M.D..

Where is Karen Natoli located?

Karen Natoli practices at 1400 N Ritter Ave Suite 120, Indianapolis, IN 46219. The listed phone number is (317) 355-1000.

What is Karen Natoli's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Karen Natoli enrolled in Medicare?

Yes. Karen Natoli 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 organization bills Medicare for Karen Natoli's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Natoli reassigns Medicare benefits to Community Physicians Of Indiana Inc (Indianapolis, IN). The 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 Karen Natoli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Natoli accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, Cigna Healthcare and UnitedHealthcare list Karen Natoli 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 Karen Natoli affiliated with any hospitals?

According to CMS data, Karen Natoli is affiliated with Community Hospital East and Community Hospital North.

When was this NPI record last updated?

The NPPES record for Karen Natoli was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.