Michelle Halvorsen, NP
NPI 1326253360 · Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Halvorsen, NP is a Nurse Practitioner provider in Worcester, MA (NPI 1326253360).
Provider details
- NPI number
- 1326253360
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 133253 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-05-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michelle Halvorsen's NPI number?
- Michelle Halvorsen's National Provider Identifier (NPI) is 1326253360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Halvorsen's specialty?
- Michelle Halvorsen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Halvorsen located?
- Michelle Halvorsen's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Michelle Halvorsen's phone number?
- The practice phone number listed in the NPPES registry for Michelle Halvorsen is (508) 856-8642.
- Does Michelle Halvorsen accept Medicare?
- Michelle Halvorsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Halvorsen's NPI active?
- Yes — Michelle Halvorsen's NPI (1326253360) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.