NICHOLAS STEPHEN IANNAZZO DO
NPI 1043669633
Internal Medicine - Pulmonary Disease in Indianapolis, IN
About Nicholas Stephen Iannazzo Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS STEPHEN IANNAZZO DO (NPI 1043669633) is an individual pulmonary disease provider in Indianapolis, Indiana, licensed in Indiana (02005669A) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 3
Other Identifiers 2
Accepted 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
Nicholas Stephen Iannazzo Do 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.
Medicare Billing Reassignments
3Medicare enrollment records show Nicholas Iannazzo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 318 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 358 clinicians in this Medicare group
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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INPhysician 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.
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.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
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 Nicholas Iannazzo's NPI number?
The NPI number for Nicholas Iannazzo is 1043669633. It was assigned to this individual provider in the NPPES registry on June 6, 2016.
Where is Nicholas Iannazzo located?
Nicholas Iannazzo practices at 1701 N Senate Blvd, Indianapolis, IN 46202. The listed phone number is (317) 962-5820.
What is Nicholas Iannazzo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Nicholas Iannazzo enrolled in Medicare?
Yes. Nicholas Iannazzo 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 Nicholas Iannazzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Iannazzo reassigns Medicare benefits to 3 organizations: Iu Health Medical Group, LLC (Indianapolis, IN), Indiana Clinic Critical Care LLC (Indianapolis, IN) and University Medical Diagnostic Associates, 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 Nicholas Iannazzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Iannazzo 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 Nicholas Iannazzo 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 Nicholas Iannazzo affiliated with any hospitals?
According to CMS data, Nicholas Iannazzo is affiliated with Indiana University Health.
When was this NPI record last updated?
The NPPES record for Nicholas Iannazzo was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Nicholas Stephen Iannazzo, DO · NPI 1043669633
Pulmonary Disease physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since June 6, 2016.
## Identity
- **NPI:** 1043669633 (Entity type: Individual)
- **Enumerated:** June 6, 2016
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 02005669A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 N SENATE BLVD, Indianapolis, IN 46202-1239
- **Phone:** (317) 962-5820 · **Fax:** (317) 962-3916
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN); Indiana Clinic Critical Care LLC (NPI 1417285230, Indianapolis, IN); University Medical Diagnostic Associates, Inc. (NPI 1861441537, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 13, 2025
- **Other identifiers:** Other 267030314 (IN); Medicaid 300026216 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1043669633) · Data from the CMS NPPES public registry.