Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Theresa Lynne Giannini, NP

Individual provider Adult Health Nurse Practitioner · NPI 1588775571

Theresa Lynne Giannini, NP is a Nurse Practitioner in Indianapolis, Indiana. Qualified in 2005, 21 years ago. Practices with University Vascular Surgery, Inc, a 16-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
21
Licensed in
IN
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

1801 N Senate Blvd Ste 4000
Indianapolis, IN 46202-1184
Phone: (317) 962-0500
Fax: (317) 962-0501
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1111 Ronald Reagan Pkwy, Avon, IN 46123-7085 — (317) 962-0280
  • 11725 Illinois St, Carmel, IN 46032-3008 — (317) 962-0280

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 71001965A (IN)

Record details

NPI number1588775571
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice University Vascular Surgery, Inc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients221
Services billed 333 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University Vascular Surgery, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 16 clinicians in the practice; 6 are shown here.

Other providers in Indianapolis