Therese Defabis, APRN, ANP-BC
NPI 1538250618 · Adult Health Nurse Practitioner · Indianapolis, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Therese Defabis, APRN, ANP-BC is a Adult Health Nurse Practitioner provider in Indianapolis, IN (NPI 1538250618).
Provider details
- NPI number
- 1538250618
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, ANP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 71000314A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,234 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 458 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 408 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 244 | $9 |
| Administration of Influenza Virus VaccineG0008 | 37 | $30 |
| Transitional Care Management Services for Problem of High Complexity99496 | 30 | $220 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 473 | 89 |
| Atorvastatin Calcium | 441 | 97 |
| Lisinopril | 293 | 64 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 233 | 36 |
| Omeprazole | 225 | 54 |
| Simvastatin | 204 | 32 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$165 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1310 S Lebanon StLebanon, IN 46052-2792Phone: (765) 482-7005Fax: (765) 483-3021
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Therese Defabis's NPI number?
- Therese Defabis's National Provider Identifier (NPI) is 1538250618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Therese Defabis's specialty?
- Therese Defabis is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Therese Defabis located?
- Therese Defabis's practice location on file with NPPES is 155 E Market St, Indianapolis, IN 46204-3294.
- What is Therese Defabis's phone number?
- The practice phone number listed in the NPPES registry for Therese Defabis is (866) 849-0692.
- Does Therese Defabis accept Medicare?
- Therese Defabis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Therese Defabis's NPI active?
- Yes — Therese Defabis's NPI (1538250618) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.