HOLLY M CHALK PHD
NPI 1174853253
Psychologist in Eldersburg, MD
About Holly M Chalk Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY M CHALK PHD (NPI 1174853253) is an individual psychologist in Eldersburg, Maryland, licensed in Maryland (04635) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
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 and accepts Medicare assignment
Holly M Chalk Phd 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 Holly Chalk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Eldersburg, MD 21784
- Reassigned Medicare billing, Maryland enrollment
- 60 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ELDERSBURG, MD 21784
ELDERSBURG, MD 21784
ELDERSBURG, MD 21784
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 Chalk's NPI number?
The NPI number for Holly Chalk is 1174853253. It was assigned to this individual provider in the NPPES registry on January 12, 2010.
Where is Holly Chalk located?
Holly Chalk practices at 1425 Liberty Rd Suite 208, Eldersburg, MD 21784. The listed phone number is (410) 552-0773.
What is Holly Chalk's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Holly Chalk enrolled in Medicare?
Yes. Holly Chalk 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 Holly Chalk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Chalk reassigns Medicare benefits to Cedar Ridge Counseling Centers LLC (Eldersburg, MD). 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 Holly Chalk'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 Chalk was last updated on January 12, 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.