KAREN ANN BLESER M.D.
NPI 1609890805
Internal Medicine in Schenectady, NY
About Karen Ann Bleser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ANN BLESER M.D. (NPI 1609890805) is an individual internal medicine provider in Schenectady, New York, licensed in New York (241705) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 10
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Ann Bleser M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Karen Bleser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 462 clinicians in this Medicare group
Schenectady, NY 12304
- Reassigned Medicare billing, New York enrollment
- 10 clinicians in this Medicare group
Princess Anne, MD 21853
- Reassigned Medicare billing, New York enrollment
- 325 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCHENECTADY, NY 12308
SCHENECTADY, NY 12308
SCHENECTADY, NY 12308
SCHENECTADY, NY 12308
SCHENECTADY, NY 12308
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Bleser's NPI number?
The NPI number for Karen Bleser is 1609890805. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Karen Bleser located?
Karen Bleser practices at 1201 Nott St Suite 102, Schenectady, NY 12308. The listed phone number is (518) 382-7500.
What is Karen Bleser's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karen Bleser enrolled in Medicare?
Yes. Karen Bleser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Bleser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Bleser reassigns Medicare benefits to 3 organizations: Ellis Hospital (Schenectady, NY), Kingsway Arms Nursing Center, Inc. (Schenectady, NY) and Medical Director Services PC (Princess Anne, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Bleser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Bleser was last updated on March 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.