DR. JUSTYNA NOTARGIACOMO MD
NPI 1740274620
Emergency Medicine in Cambridge, MA
About Dr. Justyna Notargiacomo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTYNA NOTARGIACOMO MD (NPI 1740274620) is an individual emergency medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (221556) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of University Of Connecticut School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
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. Justyna Notargiacomo Md 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
5Medicare enrollment records show Justyna Notargiacomo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02142
- Reassigned Medicare billing, Massachusetts enrollment
- 119 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Newton Wellesley Emergency Medicine Specialist PC
- 46 clinicians in this Medicare group
Salem, NH 03079
- Reassigned Medicare billing, Massachusetts enrollment
- 181 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 4
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.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02142 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Justyna Notargiacomo's NPI number?
The NPI number for Justyna Notargiacomo is 1740274620. It was assigned to this individual provider in the NPPES registry on September 7, 2005.
Where is Justyna Notargiacomo located?
Justyna Notargiacomo practices at 25 Carleton St, Cambridge, MA 02142. The listed phone number is (617) 253-1311.
What is Justyna Notargiacomo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Justyna Notargiacomo enrolled in Medicare?
Yes. Justyna Notargiacomo 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 Justyna Notargiacomo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justyna Notargiacomo reassigns Medicare benefits to 5 organizations: Massachusetts Institute Of Technology (Cambridge, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Newton Wellesley Emergency Medicine Specialist, P .C. (Newton, MA) and Mass General Brigham Medical Group, Inc. (Salem, NH). 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 Justyna Notargiacomo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Justyna Notargiacomo affiliated with any hospitals?
According to CMS data, Justyna Notargiacomo is affiliated with Mount Auburn Hospital.
When was this NPI record last updated?
The NPPES record for Justyna Notargiacomo was last updated on October 29, 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.
# Dr. Justyna Notargiacomo, MD · NPI 1740274620
Emergency Medicine physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since September 7, 2005.
## Identity
- **NPI:** 1740274620 (Entity type: Individual)
- **Enumerated:** September 7, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 221556 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 CARLETON ST, Cambridge, MA 02142-1323
- **Phone:** (617) 253-1311
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Massachusetts Institute Of Technology (NPI 1346308723, Cambridge, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Newton Wellesley Emergency Medicine Specialist, P .C. (NPI 1346355526, Newton, MA); Mass General Brigham Medical Group, Inc. (NPI 1083360200, Salem, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** October 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740274620) · Data from the CMS NPPES public registry.