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Internal Medicine

Ailen M. Sell Gramatges, MD

Works at hospitals in Miami, FL · Coral Gables, FL · Florida

Summary

Dr. Ailen M. Sell Gramatges, MD is an internal medicine doctor at 8900 N Kendall Dr, Miami, FL 33176. Phone: (786) 596-1960. Accepts Medicare assignment. In 2024, Ailen M. Sell Gramatges had 175 Original Medicare patients and 549 services. NPI 1871903500. 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: 8900 N Kendall Dr, Miami, FL 33176 · Directions (1 more location)
  • Phone: (786) 596‑1960
  • Medicare: Accepts Medicare assignment
  • Hospitals: Baptist Hospital of Miami, Doctors Hospital
  • Group practice: Baptist Health Medical Group Physicians LLC
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ailen M. Sell Gramatges, 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 Ailen M. Sell Gramatges accept Medicare assignment?
Yes. Medicare's clinician data says Ailen M. Sell Gramatges 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 Ailen M. Sell Gramatges see?
In 2024, CMS data shows 175 Original Medicare patients and 549 services for Ailen M. Sell Gramatges. This counts Original Medicare only and measures volume, not quality.
What is Ailen M. Sell Gramatges's NPI number?
1871903500. 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 Ailen M. Sell Gramatges, 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 patients175
Services billed to Medicare549
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)297 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)113 services
  3. Hospital discharge day management, more than 30 minutes (99239)71 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)30 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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%
  • Arthritis61%
  • Ischemic heart disease48%
  • Depression44%
  • Chronic kidney disease44%

Hospitals where Ailen M. Sell Gramatges works

Medicare's Facility Affiliation Data lists Ailen M. Sell Gramatges 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.

  • Baptist Hospital of MiamiMiami, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100008
  • Doctors HospitalCoral Gables, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100296

Practice locations

Addresses where Ailen M. Sell Gramatges is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ailen M. Sell Gramatges as a member of this group (CMS data updated October 2, 2026).

  • Baptist Health Medical Group Physicians LLC670 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Miami

Clinicians with the same Medicare primary specialty in Miami, FL — not a recommendation.

All internal medicine doctors in Miami →

Other clinicians in Baptist Health Medical Group Physicians LLC

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871903500
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