STEVEN B GUTWILLIG ARNP
NPI 1003886540
Nurse Practitioner - Family in Leominster, MA
About Steven B Gutwillig Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN B GUTWILLIG ARNP (NPI 1003886540) is an individual family provider in Leominster, Massachusetts, licensed in Massachusetts (RN253069) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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
Steven B Gutwillig Arnp 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 Reassignments
3Medicare enrollment records show Steven Gutwillig reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 305 clinicians in this Medicare group
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 81 clinicians in this Medicare group
Berlin, VT 05641
- Reassigned Medicare billing, New Hampshire enrollment
- 52 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEOMINSTER, MA 01453
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 Steven Gutwillig's NPI number?
The NPI number for Steven Gutwillig is 1003886540. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is Steven Gutwillig located?
Steven Gutwillig practices at 87 N Main St, Leominster, MA 01453. The listed phone number is (978) 534-8701.
What is Steven Gutwillig's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Steven Gutwillig enrolled in Medicare?
Yes. Steven Gutwillig 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 organizations bill Medicare for Steven Gutwillig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Gutwillig reassigns Medicare benefits to 3 organizations: Community Medical Associates, Inc. (Lawrence, MA), Newburyport Emergency Physicians, PLLC (Newburyport, MA) and Clearchoicemd, PLLC (Berlin, VT). Each 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 Steven Gutwillig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Gutwillig accept?
Health plans from WellSense Health Plan list Steven Gutwillig 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.
Is Steven Gutwillig affiliated with any hospitals?
According to CMS data, Steven Gutwillig is affiliated with Anna Jaques Hospital.
When was this NPI record last updated?
The NPPES record for Steven Gutwillig was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.
# Steven B Gutwillig, ARNP · NPI 1003886540
Family physician in Leominster, Massachusetts. Individual provider, active in the CMS NPPES registry since January 26, 2006.
## Identity
- **NPI:** 1003886540 (Entity type: Individual)
- **Enumerated:** January 26, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN253069 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 87 N MAIN ST, Leominster, MA 01453-5507
- **Phone:** (978) 534-8701 · **Fax:** (978) 534-8705
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Community Medical Associates, Inc. (NPI 1144544040, Lawrence, MA); Newburyport Emergency Physicians, PLLC (NPI 1215724364, Newburyport, MA); Clearchoicemd, PLLC (NPI 1851722417, Berlin, VT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** October 14, 2026
- **Other identifiers:** Medicaid 30343142 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1003886540) · Data from the CMS NPPES public registry.