TOM F HRISOMALOS M.D.
NPI 1801892211
Internal Medicine - Infectious Disease in Bloomington, IN
About Tom F Hrisomalos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOM F HRISOMALOS M.D. (NPI 1801892211) is an individual infectious disease provider in Bloomington, Indiana, licensed in Indiana (01032806A) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health Bloomington Hospital, and is a graduate of Indiana University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
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
Tom F Hrisomalos 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
4Medicare enrollment records show Tom Hrisomalos reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bloomington, IN 47404
- Reassigned Medicare billing, Indiana enrollment
- 47 clinicians in this Medicare group
Bloomington, IN 47408
- Reassigned Medicare billing, Indiana enrollment
- 783 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Brentwood, TN 37027
- Reassigned Medicare billing, Indiana enrollment
- 218 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 9
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health Bloomington Hospital
Acute Care Hospitals · Bloomington, INIndiana University Health
Acute Care Hospitals · Indianapolis, INIndiana University Health Paoli Hospital
Critical Access Hospitals · Paoli, INIndiana University Health Bedford Hospital
Critical Access Hospitals · Bedford, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 47403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 15
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Tom Hrisomalos's NPI number?
The NPI number for Tom Hrisomalos is 1801892211. It was assigned to this individual provider in the NPPES registry on June 22, 2005.
Where is Tom Hrisomalos located?
Tom Hrisomalos practices at 550 Landmark Avenue, Bloomington, IN 47403. The listed phone number is (812) 331-3400.
What is Tom Hrisomalos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Tom Hrisomalos enrolled in Medicare?
Yes. Tom Hrisomalos 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 Tom Hrisomalos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tom Hrisomalos reassigns Medicare benefits to 4 organizations: Indiana University Health Bloomington Inc (Bloomington, IN), Indiana University Health Southern Indiana Physicians, LLC (Bloomington, IN), Iu Health Medical Group, LLC (Indianapolis, IN) and Hospitalist Medicine Physicians Of Indiana, LLC (Brentwood, TN). 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 Tom Hrisomalos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tom Hrisomalos 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 Tom Hrisomalos 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 Tom Hrisomalos affiliated with any hospitals?
According to CMS data, Tom Hrisomalos is affiliated with Indiana University Health Bloomington Hospital, Indiana University Health, Indiana University Health Paoli Hospital and Indiana University Health Bedford Hospital.
When was this NPI record last updated?
The NPPES record for Tom Hrisomalos was last updated on October 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.