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Internal Medicine

Marcos Almonte Sencion, MD

Works at hospitals in Birmingham, AL · Jasper, AL · Alabama

Summary

Dr. Marcos Almonte Sencion, MD is an internal medicine doctor at 1424 Montclair Rd, Irondale, AL 35210. Phone: (312) 635-0973. Accepts Medicare assignment. In 2024, Marcos Almonte Sencion had 361 Original Medicare patients and 1,592 services. NPI 1225680390. 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 Marcos Almonte Sencion, 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 Marcos Almonte Sencion accept Medicare assignment?
Yes. Medicare's clinician data says Marcos Almonte Sencion 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 Marcos Almonte Sencion see?
In 2024, CMS data shows 361 Original Medicare patients and 1,592 services for Marcos Almonte Sencion. This counts Original Medicare only and measures volume, not quality.
What is Marcos Almonte Sencion's NPI number?
1225680390. 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 Marcos Almonte Sencion, 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 patients361
Services billed to Medicare1,592
Different services or procedures18
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)470 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)260 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)248 services
  4. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)202 services
  5. Hospital discharge day management, 30 minutes or less (99238)162 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%
  • Arthritis63%
  • Chronic kidney disease54%
  • Heart failure49%
  • Ischemic heart disease48%

Hospitals where Marcos Almonte Sencion works

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

Group practices

Medicare enrollment lists Marcos Almonte Sencion as a member of these groups (CMS data updated October 2, 2026).

  • Hospital Physician Services - Southeast Professional Corporation840 clinicians in the group
  • First Docs LLC23 clinicians in the group

Specialties

Find other Internal Medicine doctors in Alabama →

Other internal medicine doctors in Alabama

Clinicians with the same Medicare primary specialty in Alabama — not a recommendation.

All internal medicine doctors in Alabama →

Other clinicians in Hospital Physician Services - Southeast Professional Corporation

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225680390
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