GRETCHEN HILLSTROM
NPI 1487146148
Nurse Practitioner - Psychiatric/Mental Health in Worcester, MA
About Gretchen Hillstrom NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETCHEN HILLSTROM (NPI 1487146148) is an individual psychiatric/mental health provider in Worcester, Massachusetts, licensed in Massachusetts (RN2321753) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Framingham, and is a graduate of Other (2024).
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
Gretchen Hillstrom 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 Gretchen Hillstrom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 689 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WORCESTER, MA 01605
WORCESTER, MA 01605
WORCESTER, MA 01605
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 Gretchen Hillstrom's NPI number?
The NPI number for Gretchen Hillstrom is 1487146148. It was assigned to this individual provider in the NPPES registry on May 30, 2018.
Where is Gretchen Hillstrom located?
Gretchen Hillstrom practices at 108 Grove St Ste 307-310, Worcester, MA 01605. The listed phone number is (774) 391-9173.
What is Gretchen Hillstrom's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Gretchen Hillstrom enrolled in Medicare?
Yes. Gretchen Hillstrom 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 Gretchen Hillstrom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Hillstrom reassigns Medicare benefits to Northeast Health Services, LLC (Taunton, MA). 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 Gretchen Hillstrom'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 Gretchen Hillstrom was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Gretchen Hillstrom · NPI 1487146148
Psychiatric/Mental Health physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since May 30, 2018.
## Identity
- **NPI:** 1487146148 (Entity type: Individual)
- **Enumerated:** May 30, 2018
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** RN2321753 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 108 GROVE ST STE 307-310, Worcester, MA 01605-2651
- **Phone:** (774) 391-9173
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Northeast Health Services, LLC (NPI 1225067481, Taunton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** May 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1487146148) · Data from the CMS NPPES public registry.