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Allergy/Immunology

Leslie R. Coleman, MD

Works at hospitals in Stamford, CT · Connecticut

Summary

Dr. Leslie R. Coleman, MD is an allergist and immunologist at 144 Morgan St, Suite 3, Stamford, CT 06905. Phone: (203) 324-9525. Accepts Medicare assignment. In 2024, Leslie R. Coleman had 63 Original Medicare patients and 1,773 services. NPI 1881774065. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 144 Morgan St, Suite 3, Stamford, CT 06905 · Directions
  • Phone: (203) 324‑9525
  • Medicare: Accepts Medicare assignment
  • Hospital: Stamford Hospital
  • Medical school: New York Medical College · graduated 1982 (44 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 Leslie R. Coleman, 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 Leslie R. Coleman accept Medicare assignment?
Yes. Medicare's clinician data says Leslie R. Coleman 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 Leslie R. Coleman see?
In 2024, CMS data shows 63 Original Medicare patients and 1,773 services for Leslie R. Coleman. This counts Original Medicare only and measures volume, not quality.
What is Leslie R. Coleman's NPI number?
1881774065. 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 Leslie R. Coleman, 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 patients63
Services billed to Medicare1,773
Different services or procedures14
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Professional service for preparation and provision of 1 or more antigens (95165)866 services
  2. Test for allergy using allergenic extract injected into skin (95024)422 services
  3. Professional service for multiple injections of allergen (95117)306 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)104 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)31 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 cholesterol70%
  • High blood pressure59%
  • Arthritis48%
  • Osteoporosis25%
  • Anxiety24%
  • Ischemic heart disease21%

Hospitals where Leslie R. Coleman works

Medicare's Facility Affiliation Data lists Leslie R. Coleman 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.

  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Leslie R. Coleman is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Allergy/Immunology doctors in Connecticut →

Other allergist and immunologists in Connecticut

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

All allergist and immunologists in Connecticut →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881774065
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