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Internal Medicine

Carlos Del Alcazar, MD

Works at hospitals in Freehold, NJ · Perth Amboy, NJ · New Jersey

Summary

Dr. Carlos Del Alcazar, MD is an internal medicine doctor at 1810 Englishtown Rd, Aim Healthcare, Old Bridge, NJ 08857. Phone: (732) 416-6900. Accepts Medicare assignment. In 2024, Carlos Del Alcazar had 306 Original Medicare patients and 845 services. NPI 1255365912. 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: 1810 Englishtown Rd, Aim Healthcare, Old Bridge, NJ 08857 · Directions
  • Phone: (732) 416‑6900
  • Medicare: Accepts Medicare assignment
  • Hospitals: Centrastate Medical Center, Raritan Bay Medical Center
  • Group practice: Associates in Internal Medicine Healthcare LLC
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Carlos Del Alcazar, 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 Carlos Del Alcazar accept Medicare assignment?
Yes. Medicare's clinician data says Carlos Del Alcazar 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 Carlos Del Alcazar see?
In 2024, CMS data shows 306 Original Medicare patients and 845 services for Carlos Del Alcazar. This counts Original Medicare only and measures volume, not quality.
What is Carlos Del Alcazar's NPI number?
1255365912. 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 Carlos Del Alcazar, 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 patients306
Services billed to Medicare845
Different services or procedures20
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)610 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)58 services
  3. Administration of influenza virus vaccine (G0008)37 services
  4. Influenza vaccine, inactivated (90653)34 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 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%
  • Arthritis41%
  • Anxiety28%
  • Diabetes25%
  • Ischemic heart disease25%

Hospitals where Carlos Del Alcazar works

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

Group practices

Medicare enrollment lists Carlos Del Alcazar as a member of this group (CMS data updated October 2, 2026).

  • Associates in Internal Medicine Healthcare LLC2 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Old Bridge

Clinicians with the same Medicare primary specialty in Old Bridge, NJ — not a recommendation.

All internal medicine doctors in Old Bridge →

Other clinicians in Associates in Internal Medicine Healthcare LLC

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

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255365912
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