HOLLY GRISHKAT
NPI 1982826269
Psychologist in Drexel Hill, PA
About Holly Grishkat NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY GRISHKAT (NPI 1982826269) is an individual psychologist in Drexel Hill, Pennsylvania, licensed in Pennsylvania (PS008642L) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bryn Mawr, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
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
Holly Grishkat 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 Holly Grishkat reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, PA 19064
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Optum Behavioral Care Of Connecticut PC
- 89 clinicians in this Medicare group
West Chester, PA 19382
- Reassigned Medicare billing, Pennsylvania enrollment
- 31 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.
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 Holly Grishkat's NPI number?
The NPI number for Holly Grishkat is 1982826269. It was assigned to this individual provider in the NPPES registry on May 3, 2007.
Where is Holly Grishkat located?
Holly Grishkat practices at 3403 Huey Ave, Drexel Hill, PA 19026. The listed phone number is (610) 368-0165.
What is Holly Grishkat's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Holly Grishkat enrolled in Medicare?
Yes. Holly Grishkat 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 Holly Grishkat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Grishkat reassigns Medicare benefits to 2 organizations: Optum Behavioral Care Of Connecticut, P.C. (Springfield, PA) and Hopewell Psychology LLC (West Chester, PA). 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 Holly Grishkat'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 Holly Grishkat was last updated on February 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.