Neil B. Mascarenhas, MD

Medicare activity in 2024

Official CMS public-use data for Neil B. Mascarenhas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)6,870 services
2. Ct scan of blood vessels of neck with contrast (70498)160 services
3. Ct scan of blood vessels of head with contrast (70496)158 services
4. Ultrasound of both sides of head and neck blood flow (93880)122 services
5. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)96 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Chronic kidney disease47%
• Arthritis44%
• Diabetes40%
• Ischemic heart disease37%

Hospitals where Neil B. Mascarenhas works

Medicare's Facility Affiliation Data lists Neil B. Mascarenhas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Franciscan Health LafayetteLafayette, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150109
• Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
• Indiana University Health Arnett HospitalLafayette, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150173
• Indiana University Health Frankfort IncFrankfort, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151316
• Indiana University Health White Memorial HospitalMonticello, IN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 151312

Practice locations

Addresses where Neil B. Mascarenhas is enrolled with Medicare (CMS data updated October 2, 2026).

• 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
• 2600 Greenbush StLafayette, IN 47904 (765) 448‑8000

Group practices

Medicare enrollment lists Neil B. Mascarenhas as a member of these groups (CMS data updated October 2, 2026).

• IU Health Medical Group LLC4,462 clinicians in the group
• Arnett Clinic LLC390 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in Indiana →

Other interventional radiologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

• Eric W. Beckley, MD
• Francis E. Marshalleck, MD
• Matthew S. Johnson, MD
• George K. Wolfer Jr., MD
• Phyllis M. Martin Simmerman, MD
• Winston B. Davis, MD
• William J. Brackett, MD
• David M. Agarwal, MD

All interventional radiologists in Indianapolis →

Other clinicians in IU Health Medical Group LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Breanna M. Scolaro, NP
• Theodore E. Vancott, NP
• Stephen Lu, MD
• Fawaz Hasnain, MD
• Nasreen Haq, MD
• James Pastrnak, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians