DR. YAIR GRINBERG MD
NPI 1831187624
Specialist in Milford, CT
About Dr. Yair Grinberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YAIR GRINBERG MD (NPI 1831187624) is an individual specialist in Milford, Connecticut, licensed in Connecticut (028456) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Yair Grinberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Yair Grinberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CT 06824
- Reassigned Medicare billing, Connecticut enrollment
- 41 clinicians in this Medicare group
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 64 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 302 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.
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.
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 Yair Grinberg's NPI number?
The NPI number for Yair Grinberg is 1831187624. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Yair Grinberg located?
Yair Grinberg practices at 300 Seaside Ave, Milford, CT 06460. The listed phone number is (203) 876-4178.
What is Yair Grinberg's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Yair Grinberg enrolled in Medicare?
Yes. Yair Grinberg is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Yair Grinberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yair Grinberg reassigns Medicare benefits to 3 organizations: Greater Connecticut Anesthesia Associates, LLC (Fairfield, CT), Resource Anesthesiology Associates Of Ct PC (Torrington, CT) and Woodland Anesthesia Associates PC (Hartford, CT). 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 Yair Grinberg'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 Yair Grinberg was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. Yair Grinberg, MD · NPI 1831187624
Specialist provider in Milford, Connecticut. Individual provider, active in the CMS NPPES registry since October 6, 2005.
## Identity
- **NPI:** 1831187624 (Entity type: Individual)
- **Enumerated:** October 6, 2005
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 028456 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 SEASIDE AVE, Milford, CT 06460-4603
- **Phone:** (203) 876-4178
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Greater Connecticut Anesthesia Associates, LLC (NPI 1730837576, Fairfield, CT); Resource Anesthesiology Associates Of Ct PC (NPI 1447233176, Torrington, CT); Woodland Anesthesia Associates PC (NPI 1437109824, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831187624) · Data from the CMS NPPES public registry.