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Internal Medicine

M. Pamela Alexander, MD

Sees patients in Largo, MD · Falls Church, VA · Mc Lean, VA · Maryland, Virginia

Summary

Dr. M. Pamela Alexander, MD is an internal medicine doctor at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. In 2024, M. Pamela Alexander had 22 Original Medicare patients and 96 services. NPI 1629127329. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions (2 more locations)
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about M. Pamela Alexander, 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 M. Pamela Alexander accept Medicare assignment?
Yes. Medicare's clinician data says M. Pamela Alexander 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 M. Pamela Alexander see?
In 2024, CMS data shows 22 Original Medicare patients and 96 services for M. Pamela Alexander. This counts Original Medicare only and measures volume, not quality.
What is M. Pamela Alexander's NPI number?
1629127329. 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 M. Pamela Alexander, 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 patients22
Services billed to Medicare96
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

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)25 services
  2. Influenza vaccine split virus, preservative free (90662)15 services
  3. Administration of influenza virus vaccine (G0008)15 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 pressure59%
  • High cholesterol59%

Practice locations

Addresses where M. Pamela Alexander is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Largo

Clinicians with the same Medicare primary specialty in Largo, MD — not a recommendation.

All internal medicine doctors in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629127329
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians