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NOOBAR S ISRAEL MARDIROSIAN MD
NPI 1447450200
Internal Medicine in Indianapolis, IN

Active since July 20, 2007PECOS EnrolledAccepts Medicare Assignment
91.23/100
CMS Quality Rating
1001 W 10TH ST, 4TH FLOOR, INDIANAPOLIS, IN 46202(317) 630-7979(317) 630-2668 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Noobar S Israel Mardirosian Md NPPES

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

NOOBAR S ISRAEL MARDIROSIAN MD (NPI 1447450200) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01068732A) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1447450200
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNOOBAR S ISRAEL MARDIROSIANCredential: MD
Location Address1001 W 10TH ST, 4TH FLOORIndianapolis, IN 46202-2859
Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939
Phone(317) 630-7979
Fax(317) 630-2668
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJuly 20, 2007
Last NPPES UpdateSeptember 22, 2025
NPPES CertifiedSeptember 22, 2025
✔ NPI 1447450200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01068732A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 01068732A (IN)
1001 W 10TH ST, Indianapolis, IN 46202
Open in Google Maps ↗

Secondary Practice Location 1

Location 1720 Eskenazi AveIndianapolis, IN 46202-5187 · Phone (317) 880-7666

Other Identifiers 2

Other000000698720IN · Anthem
Medicaid201000040IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.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

Noobar S Israel Mardirosian 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 ID8022103191
PECOS Enrollment IDI20101119000587
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 Noobar Israel Mardirosian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Health And Hospital Corporation Of Marion County
0.3 mi
Federally Qualified Health Center (FQHC)
720 ESKENAZI AVE, ESKENAZI HEALTH OUTPATIENT CARE CENTER, 2ND FLOOR
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 564 clinicians in this Medicare group
NPI 1164852513 (317) 880-7666
Eskenazi Medical Group Inc
0.4 mi
Adult Medicine
720 ESKENAZI AVE
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 386 clinicians in this Medicare group
NPI 1730451063 (317) 880-7666

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

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
36 services33 patients

Hospital Affiliations CMS Care Compare

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

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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
$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.

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.

91.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.99
Promoting Interoperability99
Improvement Activities40
Cost54.28

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.

TRACY ANN WHITAKER MA, RD, CD
Dietitian, Registered
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 630-7287
MRS. LAURA MARIE SCHNUR R.D.
Dietitian, Registered
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 630-7287
SHIRLEY A HOWELL NP
Nurse Practitioner
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 808-0573
HEATHER R NIXON N.P.
Nurse Practitioner
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 274-8660
GREGORY P GRAMELSPACHER MD
Internal Medicine
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 630-7979
OSCAR VIEGAS MD
Anesthesiology
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 630-7525
CENTRAL BRACE & LIMB CO., INC.
Prosthetic/Orthotic Supplier
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 409-7974
JON D DUKE M.D.
Internal Medicine
1001 W 10TH ST
INDIANAPOLIS, IN 46202
Marion County (317) 630-7979

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 Noobar Israel Mardirosian's NPI number?

The NPI number for Noobar Israel Mardirosian is 1447450200. It was assigned to this individual provider in the NPPES registry on July 20, 2007.

Where is Noobar Israel Mardirosian located?

Noobar Israel Mardirosian practices at 1001 W 10th St 4th Floor, Indianapolis, IN 46202. The listed phone number is (317) 630-7979.

What is Noobar Israel Mardirosian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Noobar Israel Mardirosian enrolled in Medicare?

Yes. Noobar Israel Mardirosian 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 Noobar Israel Mardirosian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Noobar Israel Mardirosian reassigns Medicare benefits to 2 organizations: The Health And Hospital Corporation Of Marion County (Indianapolis, IN) and Eskenazi Medical Group 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 Noobar Israel Mardirosian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Noobar Israel Mardirosian accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Noobar Israel Mardirosian 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 Noobar Israel Mardirosian affiliated with any hospitals?

According to CMS data, Noobar Israel Mardirosian is affiliated with Eskenazi Health.

When was this NPI record last updated?

The NPPES record for Noobar Israel Mardirosian was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.