Gretchen Hillstrom
NPI 1487146148 · Psychiatric/Mental Health Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Hillstrom is a Psychiatric/Mental Health Nurse Practitioner provider in Worcester, MA (NPI 1487146148).
Provider details
- NPI number
- 1487146148
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2321753 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1 Grant StFramingham, MA 01702-6764Phone: (508) 834-3100
Registry dates
- Enumerated
- 2018-05-30
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Gretchen Hillstrom's NPI number?
- Gretchen Hillstrom's National Provider Identifier (NPI) is 1487146148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Hillstrom's specialty?
- Gretchen Hillstrom is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Hillstrom located?
- Gretchen Hillstrom's practice location on file with NPPES is 108 Grove St Ste 307-310, Worcester, MA 01605-2651.
- What is Gretchen Hillstrom's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Hillstrom is (774) 391-9173.
- Does Gretchen Hillstrom accept Medicare?
- Gretchen Hillstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Hillstrom's NPI active?
- Yes — Gretchen Hillstrom's NPI (1487146148) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.