DR. KAREN MONICA CALEGARI D.O.
NPI 1194751230
Internal Medicine in Manchester, NH
About Dr. Karen Monica Calegari D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN MONICA CALEGARI D.O. (NPI 1194751230) is an individual internal medicine provider in Manchester, New Hampshire, licensed in New Hampshire (10H10701) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Southern Nh Medical Center, and is a graduate of University Of New England, College Of Osteo Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Karen Monica Calegari 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 Reassignments
3Medicare enrollment records show Karen Calegari reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- 199 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 283 clinicians in this Medicare group
Brattleboro, VT 05301
- Reassigned Medicare billing, Vermont enrollment
- 101 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Southern Nh Medical Center
Acute Care Hospitals · Nashua, NHCatholic Medical Center
Acute Care Hospitals · Manchester, NHBrattleboro Memorial Hospital
Acute Care Hospitals · Brattleboro, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANCHESTER, NH 03104
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 Karen Calegari's NPI number?
The NPI number for Karen Calegari is 1194751230. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Karen Calegari located?
Karen Calegari practices at 100 Hitchcock Way, Manchester, NH 03104. The listed phone number is (603) 695-2500.
What is Karen Calegari's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karen Calegari enrolled in Medicare?
Yes. Karen Calegari 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 Karen Calegari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Calegari reassigns Medicare benefits to 3 organizations: Catholic Medical Center (Manchester, NH), Foundation Medical Partners Inc (Nashua, NH) and Brattleboro Memorial Hospital (Brattleboro, 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 Karen Calegari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Calegari accept?
Health plans from Taro Health and WellSense Health Plan list Karen Calegari 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 Karen Calegari affiliated with any hospitals?
According to CMS data, Karen Calegari is affiliated with Southern Nh Medical Center, Catholic Medical Center and Brattleboro Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Karen Calegari was last updated on March 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Karen Monica Calegari, D.O. · NPI 1194751230
Internal Medicine physician in Manchester, New Hampshire. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1194751230 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 10H10701 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HITCHCOCK WAY, Manchester, NH 03104-4125
- **Phone:** (603) 695-2500
## 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): Catholic Medical Center (NPI 1427154335, Manchester, NH); Foundation Medical Partners Inc (NPI 1033162037, Nashua, NH); Brattleboro Memorial Hospital (NPI 1306849708, Brattleboro, VT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 1996
## Record status
- **NPPES last updated:** March 23, 2021
- **Other identifiers:** Medicaid 30221067 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1194751230) · Data from the CMS NPPES public registry.