Quick answers
- Does Caroline S. Bader accept Medicare assignment?
- Yes. Medicare's clinician data says Caroline S. Bader 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 Caroline S. Bader see?
- In 2024, CMS data shows 102 Original Medicare patients and 773 services for Caroline S. Bader. This counts Original Medicare only and measures volume, not quality.
- What is Caroline S. Bader's NPI number?
- 1538587589. 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 Caroline S. Bader, 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 | 102 |
|---|---|
| Services billed to Medicare | 773 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)300 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)273 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)90 services
- Psychotherapy, 30 minutes (90832)42 services
- Family psychotherapy without patient, 50 minutes (90846)11 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).
- Anxiety75%
- High cholesterol71%
- Depression69%
- High blood pressure66%
- Alzheimer's disease or dementia53%
- Arthritis46%
Practice locations
Addresses where Caroline S. Bader is enrolled with Medicare (CMS data updated October 2, 2026).
- 115 Mill StBelmont, MA 02478 (617) 855‑3450
- 2014 Washington StNewton, MA 02462 (617) 243‑6000
Group practices
Medicare enrollment lists Caroline S. Bader as a member of these groups (CMS data updated October 2, 2026).
- Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
- The McLean Hospital Corporation192 clinicians in the group
Specialties
- Psychiatryprimary
- Geriatric Psychiatryalso
Other psychiatrists in Belmont
Clinicians with the same Medicare primary specialty in Belmont, MA — not a recommendation.
Other clinicians in Mass General Brigham Medical Group Suburban Massachusetts Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538587589 |
| 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