Quick answers
- Does Kristen Jastremski accept Medicare assignment?
- Yes. Medicare's clinician data says Kristen Jastremski 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 Kristen Jastremski see?
- In 2024, CMS data shows 13 Original Medicare patients and 86 services for Kristen Jastremski. This counts Original Medicare only and measures volume, not quality.
- What is Kristen Jastremski's NPI number?
- 1134427685. 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 Kristen Jastremski, 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 | 13 |
|---|---|
| Services billed to Medicare | 86 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
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%
Hospitals where Kristen Jastremski works
Medicare's Facility Affiliation Data lists Kristen Jastremski 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.
- Bassett HealthcareCooperstown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330136
Practice locations
Addresses where Kristen Jastremski is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Atwell RdCooperstown, NY 13326 (607) 547‑3480
Group practices
Medicare enrollment lists Kristen Jastremski as a member of this group (CMS data updated October 2, 2026).
- Mary Imogene Bassett Hospital763 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Cooperstown
Clinicians with the same Medicare primary specialty in Cooperstown, NY — not a recommendation.
Other clinicians in Mary Imogene Bassett Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134427685 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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