DIANE M JANOWICZ M.D.
NPI 1881604874
Internal Medicine - Infectious Disease in Indianapolis, IN
About Diane M Janowicz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE M JANOWICZ M.D. (NPI 1881604874) is an individual infectious disease provider in Indianapolis, Indiana, licensed in Indiana (01062495A) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Diane M Janowicz 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.
Medicare Billing Reassignments
2Medicare enrollment records show Diane Janowicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Steamboat Springs, CO 80487
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1063418424 (Colorado)
- 74 clinicians in this Medicare group
Aspen, CO 81611
- Reassigned Medicare billing, Colorado enrollment
- 438 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 5
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.
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.
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
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 Diane Janowicz's NPI number?
The NPI number for Diane Janowicz is 1881604874. It was assigned to this individual provider in the NPPES registry on August 9, 2006.
Where is Diane Janowicz located?
Diane Janowicz practices at 550 University Blvd, Indianapolis, IN 46202. The listed phone number is (317) 944-5000.
What is Diane Janowicz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Diane Janowicz enrolled in Medicare?
Yes. Diane Janowicz 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 Diane Janowicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Janowicz reassigns Medicare benefits to 2 organizations: The Memorial Hospital (Steamboat Springs, CO) and Intermountain Medical Group Grand Junction, LLC (Aspen, CO). 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 Diane Janowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diane Janowicz was last updated on February 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Diane M Janowicz, M.D. · NPI 1881604874
Infectious Disease physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since August 9, 2006.
## Identity
- **NPI:** 1881604874 (Entity type: Individual)
- **Enumerated:** August 9, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 01062495A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 UNIVERSITY BLVD, Indianapolis, IN 46202-5149
- **Phone:** (317) 944-5000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Memorial Hospital (NPI 1750958229, Steamboat Springs, CO); Intermountain Medical Group Grand Junction, LLC (NPI 1043825516, Aspen, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** February 5, 2014
- **Other identifiers:** Other 010624995A (IN); Other P01181720 (IN); Medicaid 200831710 (IN); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1881604874) · Data from the CMS NPPES public registry.