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Internal Medicine

Dexter Hazlewood, MD

Works at hospitals in Southbridge, MA · Massachusetts

Summary

Dr. Dexter Hazlewood, MD is an internal medicine doctor at 281 Lincoln St, Worcester, MA 01605. May accept Medicare assignment. In 2024, Dexter Hazlewood had 499 Original Medicare patients and 877 services. NPI 1265524771. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 281 Lincoln St, Worcester, MA 01605 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Hospital: UMass Memorial Health - Harrington Hospital
  • Medical school: graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Dexter Hazlewood, 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 Dexter Hazlewood accept Medicare assignment?
Medicare's clinician data says Dexter Hazlewood may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Dexter Hazlewood see?
In 2024, CMS data shows 499 Original Medicare patients and 877 services for Dexter Hazlewood. This counts Original Medicare only and measures volume, not quality.
What is Dexter Hazlewood's NPI number?
1265524771. 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 Dexter Hazlewood, 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 patients499
Services billed to Medicare877
Different services or procedures21
Participating Medicare providerYes
Average age of these patients82

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)484 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)98 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)93 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)41 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)23 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 cholesterol55%
  • Arthritis48%
  • Depression32%
  • Ischemic heart disease25%
  • Osteoporosis25%

Hospitals where Dexter Hazlewood works

Medicare's Facility Affiliation Data lists Dexter Hazlewood 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 Dexter Hazlewood is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Worcester

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

All internal medicine doctors in Worcester →

Clinician information

CredentialMD
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1265524771
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