RUTH BLASH MD
NPI 1295849545
Internal Medicine in Fishkill, NY
About Ruth Blash Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH BLASH MD (NPI 1295849545) is an individual internal medicine provider in Fishkill, New York, licensed in New York (200863) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and maintains a secondary practice location in New Windsor.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ruth Blash Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ruth Blash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Jay, OK 74346
- Reassigned Medicare billing, Texas enrollment
- 1,047 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.
Areas of Expertise CMS Part B claims 21
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vassar Brothers Medical Center
Acute Care Hospitals · Poughkeepsie, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12524 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 11
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.
FISHKILL, NY 12524
FISHKILL, NY 12524
FISHKILL, NY 12524
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 Ruth Blash's NPI number?
The NPI number for Ruth Blash is 1295849545. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Ruth Blash located?
Ruth Blash practices at 600 Westage Business Ctr Dr, Fishkill, NY 12524. The listed phone number is (845) 231-5600.
What is Ruth Blash's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ruth Blash enrolled in Medicare?
Yes. Ruth Blash is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ruth Blash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Blash reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and Cherokee Nation (Jay, OK). 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 Ruth Blash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ruth Blash affiliated with any hospitals?
According to CMS data, Ruth Blash is affiliated with Vassar Brothers Medical Center.
When was this NPI record last updated?
The NPPES record for Ruth Blash was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.