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Emergency Medicine

Jacob F. Kallenberg, MD

Works at hospitals in South Weymouth, MA · Massachusetts

Summary

Dr. Jacob F. Kallenberg, MD is an emergency medicine doctor at 235 N Pearl St, Brockton, MA 02301. Phone: (508) 427-3000. Accepts Medicare assignment. In 2024, Jacob F. Kallenberg had 704 Original Medicare patients and 888 services. NPI 1093125171. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 235 N Pearl St, Brockton, MA 02301 · Directions (2 more locations)
  • Phone: (508) 427‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: South Shore Hospital
  • Group practice: BMC Affiliated Physicians, Inc. (+2 more)
  • Medical school: University Of Cincinnati College Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jacob F. Kallenberg, 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 Jacob F. Kallenberg accept Medicare assignment?
Yes. Medicare's clinician data says Jacob F. Kallenberg 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 Jacob F. Kallenberg see?
In 2024, CMS data shows 704 Original Medicare patients and 888 services for Jacob F. Kallenberg. This counts Original Medicare only and measures volume, not quality.
What is Jacob F. Kallenberg's NPI number?
1093125171. 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 Jacob F. Kallenberg, 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 patients704
Services billed to Medicare888
Different services or procedures42
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)483 services
  2. Emergency department visit with moderate level of medical decision making (99284)85 services
  3. Critical care, first 30-74 minutes (99291)79 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)74 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 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%
  • Arthritis55%
  • Anxiety54%
  • Depression44%
  • Chronic kidney disease40%

Hospitals where Jacob F. Kallenberg works

Medicare's Facility Affiliation Data lists Jacob F. Kallenberg 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.

  • South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220100

Practice locations

Addresses where Jacob F. Kallenberg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jacob F. Kallenberg as a member of these groups (CMS data updated October 2, 2026).

  • BMC Affiliated Physicians, Inc.564 clinicians in the group
  • Coastal Medical Associates443 clinicians in the group
  • South Shore Health Express Inc30 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Brockton

Clinicians with the same Medicare primary specialty in Brockton, MA — not a recommendation.

All emergency medicine doctors in Brockton →

Other clinicians in BMC Affiliated Physicians, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093125171
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