ACORN HILL PSYCHOLOGY PLLC
NPI 1861930158
Psychologist - Clinical in Caledonia, MI
About Acorn Hill Psychology Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ACORN HILL PSYCHOLOGY PLLC (NPI 1861930158) is a healthcare organization registered as a clinical in Caledonia, Michigan and active in the NPI registry since February 2017. The organization lists Graceann Robertson, Clinical Psychologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Acorn Hill Psychology Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Acorn Hill Psychology PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Acorn Hill Psychology PLLC's NPI number?
The NPI number for Acorn Hill Psychology PLLC is 1861930158. It was assigned to this organization in the NPPES registry on February 7, 2017.
Where is Acorn Hill Psychology PLLC located?
Acorn Hill Psychology PLLC is located at 7150 Kalamazoo Ave SE Suite C, Caledonia, MI 49316. The listed phone number is (616) 219-0159.
What is Acorn Hill Psychology PLLC's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Acorn Hill Psychology PLLC enrolled in Medicare?
Yes. Acorn Hill Psychology PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Acorn Hill Psychology PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Acorn Hill Psychology PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Acorn Hill Psychology PLLC accept?
Health plans from Blue Care Network of Michigan list Acorn Hill Psychology PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Acorn Hill Psychology PLLC was last updated on January 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Acorn Hill Psychology Pllc · NPI 1861930158
Clinical organization in Caledonia, Michigan. Organization record, active in the CMS NPPES registry since February 7, 2017.
## Identity
- **NPI:** 1861930158 (Entity type: Organization)
- **Enumerated:** February 7, 2017
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **Organization subpart:** No
- **Authorized official:** Graceann Robertson, CLINICAL PSYCHOLOGIST
## Practice location
- **Address:** 7150 KALAMAZOO AVE SE, SUITE C, Caledonia, MI 49316
- **Phone:** (616) 219-0159 · **Fax:** (616) 219-0124
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 22, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1861930158) · Data from the CMS NPPES public registry.