DR. JEFFREY JAY GAINES PH.D.
NPI 1396764692
Clinical Neuropsychologist in Worcester, MA
About Dr. Jeffrey Jay Gaines Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY JAY GAINES PH.D. (NPI 1396764692) is an individual clinical neuropsychologist in Worcester, Massachusetts, licensed in Connecticut (3141) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wallingford, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Jeffrey Jay Gaines Ph.d. 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 Reassignment
Medicare enrollment records show Jeffrey Gaines reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wallingford, CT 06492
- Reassigned Medicare billing, Connecticut enrollment
- 84 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.
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 5
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 Jeffrey Gaines's NPI number?
The NPI number for Jeffrey Gaines is 1396764692. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Jeffrey Gaines located?
Jeffrey Gaines practices at 50 Elm St Suite 6, Worcester, MA 01609. The listed phone number is (617) 223-1563.
What is Jeffrey Gaines's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Jeffrey Gaines enrolled in Medicare?
Yes. Jeffrey Gaines 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 organization bills Medicare for Jeffrey Gaines's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Gaines reassigns Medicare benefits to Gaylord Hospital, Inc. (Wallingford, CT). The 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 Jeffrey Gaines'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 Jeffrey Gaines was last updated on July 29, 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. Jeffrey Jay Gaines, PH.D. · NPI 1396764692
Clinical Neuropsychologist provider in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1396764692 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Clinical Neuropsychologist · taxonomy 103G00000X
- **State license:** 3141 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 50 ELM ST, SUITE 6, Worcester, MA 01609-2574
- **Phone:** (617) 223-1563
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Gaylord Hospital, Inc. (NPI 1730137753, Wallingford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** July 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396764692) · Data from the CMS NPPES public registry.