Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Teli Leung-Galecki, MD

Works at hospitals in W Concord, MA · Boston, MA · Massachusetts

Summary

Dr. Teli Leung-Galecki, MD is an internal medicine doctor at 321 Main St, Acton, MA 01720. Phone: (978) 635-8700. Accepts Medicare assignment. In 2024, Teli Leung-Galecki had 200 Original Medicare patients and 1,846 services. NPI 1043363088. 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: 321 Main St, Acton, MA 01720 · Directions
  • Phone: (978) 635‑8700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Emerson Hospital -, Massachusetts Eye and Ear Infirmary -
  • Group practice: Acton Medical Associates PC
  • Medical school: University Of Massachusetts Medical School · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Teli Leung-Galecki, 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 Teli Leung-Galecki accept Medicare assignment?
Yes. Medicare's clinician data says Teli Leung-Galecki 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 Teli Leung-Galecki see?
In 2024, CMS data shows 200 Original Medicare patients and 1,846 services for Teli Leung-Galecki. This counts Original Medicare only and measures volume, not quality.
What is Teli Leung-Galecki's NPI number?
1043363088. 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 Teli Leung-Galecki, 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 patients200
Services billed to Medicare1,846
Different services or procedures106
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)235 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)214 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)113 services
  4. Blood test, lipids (cholesterol and triglycerides) (80061)106 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)102 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 cholesterol73%
  • High blood pressure60%
  • Arthritis29%
  • Osteoporosis28%
  • Chronic kidney disease25%
  • Anxiety24%

Hospitals where Teli Leung-Galecki works

Medicare's Facility Affiliation Data lists Teli Leung-Galecki 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 Teli Leung-Galecki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Teli Leung-Galecki as a member of this group (CMS data updated October 2, 2026).

  • Acton Medical Associates PC34 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Acton

Clinicians with the same Medicare primary specialty in Acton, MA — not a recommendation.

All internal medicine doctors in Acton →

Other clinicians in Acton Medical Associates PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043363088
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