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Pathology

Darren Buonocore, MD

Works at hospitals in Billings, MT · Glasgow, MT · Glendive, MT … · Montana

Summary

Dr. Darren Buonocore, MD is a pathologist at 2800 10th Ave N, Billings, MT 59101. Phone: (406) 657-4000. Accepts Medicare assignment. In 2024, Darren Buonocore had 968 Original Medicare patients and 2,347 services. NPI 1851527998. 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 Darren Buonocore, 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 Darren Buonocore accept Medicare assignment?
Yes. Medicare's clinician data says Darren Buonocore 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 Darren Buonocore see?
In 2024, CMS data shows 968 Original Medicare patients and 2,347 services for Darren Buonocore. This counts Original Medicare only and measures volume, not quality.
What is Darren Buonocore's NPI number?
1851527998. 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 Darren Buonocore, 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 patients968
Services billed to Medicare2,347
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)706 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)317 services
  3. Cell examination of specimen, selective cellular enhancement technique (88112)301 services
  4. Cell examination of specimen, concentration technique (88108)136 services
  5. Special stained specimen slides to examine tissue, initial procedure (88342)124 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 pressure71%
  • High cholesterol71%
  • Arthritis48%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
  • Diabetes33%
  • Ischemic heart disease31%

Hospitals where Darren Buonocore works

Medicare's Facility Affiliation Data lists Darren Buonocore 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.

  • Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004
  • Frances Mahon Deaconess HospitalGlasgow, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271316
  • Glendive Medical CenterGlendive, MT · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 271332
  • Livingston HealthcareLivingston, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271317
  • Sidney Health CenterSidney, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271344

Practice locations

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

Group practices

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

  • Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group

Specialties

Find other Pathology doctors in Montana →

Other pathologists in Billings

Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.

All pathologists in Billings →

Other clinicians in Billings Clinic Specialty Supplies and Services, LLC

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851527998
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