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Family Practice

Alexandra A. Carlson, MD

Works at hospitals in Middletown, CT · Connecticut

Summary

Dr. Alexandra A. Carlson, MD is a family doctor at 13 High St, Portland, CT 06480. Phone: (860) 358-6486. Accepts Medicare assignment. In 2024, Alexandra A. Carlson had 186 Original Medicare patients and 418 services. NPI 1063900983. 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: Family doctor (Medicare lists Family Practice)
  • Address: 13 High St, Portland, CT 06480 · Directions (2 more locations)
  • Phone: (860) 358‑6486
  • Medicare: Accepts Medicare assignment
  • Hospital: Middlesex Hospital
  • Group practice: Middlesex Hospital (+1 more)
  • Medical school: University Of Connecticut School Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alexandra A. Carlson, 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 Alexandra A. Carlson accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra A. Carlson 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 Alexandra A. Carlson see?
In 2024, CMS data shows 186 Original Medicare patients and 418 services for Alexandra A. Carlson. This counts Original Medicare only and measures volume, not quality.
What is Alexandra A. Carlson's NPI number?
1063900983. 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 Alexandra A. Carlson, 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 patients186
Services billed to Medicare418
Different services or procedures42
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)62 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)57 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)55 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)43 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)26 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%
  • Arthritis44%
  • Anxiety38%
  • Depression35%
  • Ischemic heart disease33%

Hospitals where Alexandra A. Carlson works

Medicare's Facility Affiliation Data lists Alexandra A. Carlson 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.

  • Middlesex HospitalMiddletown, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070020

Practice locations

Addresses where Alexandra A. Carlson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexandra A. Carlson as a member of these groups (CMS data updated October 2, 2026).

  • Middlesex Hospital234 clinicians in the group
  • MHS Primary Care, Inc.180 clinicians in the group

Specialties

Find other Family Practice doctors in Connecticut →

Other family doctors in Portland

Clinicians with the same Medicare primary specialty in Portland, CT — not a recommendation.

All family doctors in Portland →

Other clinicians in Middlesex Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063900983
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