Quick answers
- Does Andrea G. Isaacs accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea G. Isaacs 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 Andrea G. Isaacs see?
- In 2024, CMS data shows 22 Original Medicare patients and 38 services for Andrea G. Isaacs. This counts Original Medicare only and measures volume, not quality.
- What is Andrea G. Isaacs's NPI number?
- 1457491532. 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 Andrea G. Isaacs, 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 patients | 22 |
|---|---|
| Services billed to Medicare | 38 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)36 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%
- Anxiety59%
- Arthritis55%
- Depression50%
Practice locations
Addresses where Andrea G. Isaacs is enrolled with Medicare (CMS data updated October 2, 2026).
- 28 Durham Rd, Suite 1Madison, CT 06443 (203) 284‑2800
- 490 Blue Hills AveHartford, CT 06112 (860) 714‑3500
- 50 Gaylord Farm RdWallingford, CT 06492 (203) 284‑2800
Group practices
Medicare enrollment lists Andrea G. Isaacs as a member of these groups (CMS data updated October 2, 2026).
- Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
- Gaylord Hospital, Inc.42 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Madison
Clinicians with the same Medicare primary specialty in Madison, CT — not a recommendation.
Other clinicians in Trinity Health of New England Provider Network Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457491532 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians