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Hematology/Oncology

Hrvoje Melinscak, MD

Works at hospitals in Providence, RI · Boston, MA · Rhode Island, Massachusetts

Summary

Dr. Hrvoje Melinscak, MD is a hematologist-oncologist at 164 Summit Ave, Providence, RI 02906. Phone: (401) 793-2920. Accepts Medicare assignment. In 2024, Hrvoje Melinscak had 101 Original Medicare patients and 149 services. NPI 1083864995. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Hrvoje Melinscak, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Hrvoje Melinscak accept Medicare assignment?
Yes. Medicare's clinician data says Hrvoje Melinscak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Hrvoje Melinscak see?
In 2024, CMS data shows 101 Original Medicare patients and 149 services for Hrvoje Melinscak. This counts Original Medicare only and measures volume, not quality.
What is Hrvoje Melinscak's NPI number?
1083864995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Hrvoje Melinscak, 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.

Original Medicare patients101
Services billed to Medicare149
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 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%
  • Arthritis56%
  • Heart failure43%
  • Ischemic heart disease42%
  • Anxiety42%

Hospitals where Hrvoje Melinscak works

Medicare's Facility Affiliation Data lists Hrvoje Melinscak 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.

  • Rhode Island HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410007
  • The Miriam HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410012
  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Hrvoje Melinscak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hrvoje Melinscak as a member of this group (CMS data updated October 2, 2026).

  • Rhode Island Hospital437 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Rhode Island →

Other hematologist-oncologists in Providence

Clinicians with the same Medicare primary specialty in Providence, RI — not a recommendation.

All hematologist-oncologists in Providence →

Other clinicians in Rhode Island Hospital

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1083864995
CorrectionsReport an error or suggest an update →

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