Quick answers
- Does Karen W. Mantas accept Medicare assignment?
- Yes. Medicare's clinician data says Karen W. Mantas 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 Karen W. Mantas see?
- In 2024, CMS data shows 626 Original Medicare patients and 696 services for Karen W. Mantas. This counts Original Medicare only and measures volume, not quality.
- What is Karen W. Mantas's NPI number?
- 1437143583. 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 Karen W. Mantas, 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 | 626 |
|---|---|
| Services billed to Medicare | 696 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for lens surgery (00142)584 services
- Anesthesia for other procedure on eye (00140)70 services
- Anesthesia for retinal surgery (00145)27 services
- Anesthesia for procedure on eyelid (00103)12 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 cholesterol75%
- High blood pressure71%
- Arthritis36%
- Ischemic heart disease31%
- Diabetes25%
- Anxiety21%
Practice locations
Addresses where Karen W. Mantas is enrolled with Medicare (CMS data updated October 2, 2026).
- 135 N Rd, Bldg 2Wilton, NY 12831 (518) 450‑1304
- 5 Johnson RdLatham, NY 12110 (518) 782‑1181
Group practices
Medicare enrollment lists Karen W. Mantas as a member of this group (CMS data updated October 2, 2026).
- JJM Medical Services PC35 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in Wilton
Clinicians with the same Medicare primary specialty in Wilton, NY — not a recommendation.
Other clinicians in JJM Medical Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Albany Medical College Of Union University |
| Graduation year | 1986 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437143583 |
| 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