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Neurology

Muhammad Z. Kareem, MD

Works at hospitals in Springfield, MA · Holyoke, MA · Massachusetts

Summary

Dr. Muhammad Z. Kareem, MD is a neurologist at 575 Beech St, First Floor East, Holyoke, MA 01040. Phone: (413) 534-2870. Accepts Medicare assignment. In 2024, Muhammad Z. Kareem had 878 Original Medicare patients and 1,722 services. NPI 1235126061. 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 Muhammad Z. Kareem, 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 Muhammad Z. Kareem accept Medicare assignment?
Yes. Medicare's clinician data says Muhammad Z. Kareem 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 Muhammad Z. Kareem see?
In 2024, CMS data shows 878 Original Medicare patients and 1,722 services for Muhammad Z. Kareem. This counts Original Medicare only and measures volume, not quality.
What is Muhammad Z. Kareem's NPI number?
1235126061. 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 Muhammad Z. Kareem, 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 patients878
Services billed to Medicare1,722
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

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)690 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)130 services
  3. Measurement of brain wave activity (eeg), awake and asleep (95819)127 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)126 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)109 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 cholesterol75%
  • High blood pressure74%
  • Arthritis50%
  • Anxiety40%
  • Depression34%
  • Diabetes31%

Hospitals where Muhammad Z. Kareem works

Medicare's Facility Affiliation Data lists Muhammad Z. Kareem 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.

Practice locations

Addresses where Muhammad Z. Kareem is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Muhammad Z. Kareem as a member of this group (CMS data updated October 2, 2026).

  • Holyoke Medical Center Inc205 clinicians in the group

Specialties

Find other Neurology doctors in Massachusetts →

Other neurologists in Holyoke

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

All neurologists in Holyoke →

Other clinicians in Holyoke Medical Center Inc

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

Clinician information

CredentialMD
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235126061
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