GRETCHEN HILLSTROM
NPI 1487146148
Nurse Practitioner - Psychiatric/Mental Health in Worcester, MA

Q: 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.

Q: 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.

Active since May 30, 2018PECOS EnrolledAccepts Medicare Assignment

108 GROVE ST STE 307-310, WORCESTER, MA 01605(774) 391-9173 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2025, Apr 2, 2025 (2 updates tracked since 2025).

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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

NPI1487146148

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameGRETCHEN HILLSTROM

Location Address108 GROVE ST STE 307-310Worcester, MA 01605-2651

Mailing Address1 Grant StFramingham, MA 01702-6764

Phone(774) 391-9173

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateMay 30, 2018

Last NPPES UpdateMay 8, 20252 updates tracked since enumeration

NPPES CertifiedMay 8, 2025

✔ NPI 1487146148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in MA · RN2321753

Also ListedRegistered NurseTaxonomy 163W00000X · License RN2321753 (MA)

108 GROVE ST STE 307-310, Worcester, MA 01605

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Secondary Practice Location 1

Location 11 Grant StFramingham, MA 01702-6764 · Phone (508) 834-3100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID2769901339

PECOS Enrollment IDI20250527003567

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LISA DOOLEY

Social Worker (Clinical)