KATHRYN W. WEIBRECHT MD
NPI 1265588081
Emergency Medicine in Worcester, MA
About Kathryn W. Weibrecht Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN W. WEIBRECHT MD (NPI 1265588081) is an individual emergency medicine provider in Worcester, Massachusetts, licensed in Massachusetts (234315) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathryn W. Weibrecht Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kathryn Weibrecht reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 37 clinicians in this Medicare group
Ayer, MA 01432
- Reassigned Medicare billing, Massachusetts enrollment
- 290 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Kathryn Weibrecht's NPI number?
The NPI number for Kathryn Weibrecht is 1265588081. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Kathryn Weibrecht located?
Kathryn Weibrecht practices at 55 Lake Ave N Department Of Emergency Medicine, Worcester, MA 01655. The listed phone number is (508) 421-1400.
What is Kathryn Weibrecht's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Kathryn Weibrecht enrolled in Medicare?
Yes. Kathryn Weibrecht is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kathryn Weibrecht's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Weibrecht reassigns Medicare benefits to 2 organizations: Orion Emergency Services, Inc. (Milford, MA) and Steward Emergency Physicians, Inc (Ayer, MA). 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 Kathryn Weibrecht'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 Kathryn Weibrecht was last updated on November 5, 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.
# Kathryn W. Weibrecht, MD · NPI 1265588081
Emergency Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since January 26, 2007.
## Identity
- **NPI:** 1265588081 (Entity type: Individual)
- **Enumerated:** January 26, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 234315 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, DEPARTMENT OF EMERGENCY MEDICINE, Worcester, MA 01655-0002
- **Phone:** (508) 421-1400 · **Fax:** (508) 421-1490
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Orion Emergency Services, Inc. (NPI 1588728240, Milford, MA); Steward Emergency Physicians, Inc (NPI 1780971275, Ayer, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 5, 2010
- **Other identifiers:** Medicaid 2167352 (MA); Medicare PIN 001160401 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265588081) · Data from the CMS NPPES public registry.