KRISTIN A D'ORSI D.O.
NPI 1649533928
Obstetrics & Gynecology in North Chelmsford, MA
About Kristin A D'orsi D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTIN A D'ORSI D.O. (NPI 1649533928) is an individual obstetrics & gynecology provider in North Chelmsford, Massachusetts, licensed in Massachusetts (251814) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
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
Kristin A D'orsi D.o. 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 Kristin D'orsi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woburn, MA 01801
- Reassigned Medicare billing, Massachusetts enrollment
- 16 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01863 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTH CHELMSFORD, MA 01863
NORTH CHELMSFORD, MA 01863
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 Kristin D'orsi's NPI number?
The NPI number for Kristin D'orsi is 1649533928. It was assigned to this individual provider in the NPPES registry on June 21, 2012.
Where is Kristin D'orsi located?
Kristin D'orsi practices at 20 Research Pl Ste 320, North Chelmsford, MA 01863. The listed phone number is (978) 256-1858.
What is Kristin D'orsi's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Kristin D'orsi enrolled in Medicare?
Yes. Kristin D'orsi 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 Kristin D'orsi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin D'orsi reassigns Medicare benefits to New England Womens Healthcare (Woburn, 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 Kristin D'orsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristin D'orsi accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kristin D'orsi 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 Kristin D'orsi affiliated with any hospitals?
According to CMS data, Kristin D'orsi is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Kristin D'orsi was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Kristin A D'orsi, D.O. · NPI 1649533928
Obstetrics & Gynecology physician in North Chelmsford, Massachusetts. Individual provider, active in the CMS NPPES registry since June 21, 2012.
## Identity
- **NPI:** 1649533928 (Entity type: Individual)
- **Enumerated:** June 21, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 251814 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 RESEARCH PL STE 320, North Chelmsford, MA 01863-2455
- **Phone:** (978) 256-1858 · **Fax:** (978) 788-7890
## 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:** New England Womens Healthcare (NPI 1881120202, Woburn, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2012
## Record status
- **NPPES last updated:** October 28, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1649533928) · Data from the CMS NPPES public registry.