NATASA RISTIVOJEVIC
NPI 1245821222
Nurse Practitioner - Psychiatric/Mental Health in Lynn, MA
About Natasa Ristivojevic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATASA RISTIVOJEVIC (NPI 1245821222) is an individual psychiatric/mental health provider in Lynn, Massachusetts, licensed in Massachusetts (2317980) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Natasa Ristivojevic 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
2Medicare enrollment records show Natasa Ristivojevic reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, MA 02421
- Reassigned Medicare billing, Massachusetts enrollment
- 167 clinicians in this Medicare group
Westford, MA 01886
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 7 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 2
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.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01901 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.
LYNN, MA 01901
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 Natasa Ristivojevic's NPI number?
The NPI number for Natasa Ristivojevic is 1245821222. It was assigned to this individual provider in the NPPES registry on February 1, 2021.
Where is Natasa Ristivojevic located?
Natasa Ristivojevic practices at 95 Pleasant St, Lynn, MA 01901. The listed phone number is (781) 581-4400.
What is Natasa Ristivojevic's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Natasa Ristivojevic enrolled in Medicare?
Yes. Natasa Ristivojevic 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 Natasa Ristivojevic's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natasa Ristivojevic reassigns Medicare benefits to 2 organizations: Eliot Community Human Services (Lexington, MA) and Juliana S Pires PLLC (Westford, MA). 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 Natasa Ristivojevic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natasa Ristivojevic accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Natasa Ristivojevic 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 Natasa Ristivojevic affiliated with any hospitals?
According to CMS data, Natasa Ristivojevic is affiliated with North Shore Medical Center -.
When was this NPI record last updated?
The NPPES record for Natasa Ristivojevic was last updated on December 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Natasa Ristivojevic · NPI 1245821222
Psychiatric/Mental Health physician in Lynn, Massachusetts. Individual provider, active in the CMS NPPES registry since February 1, 2021.
## Identity
- **NPI:** 1245821222 (Entity type: Individual)
- **Enumerated:** February 1, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 2317980 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 95 PLEASANT ST, Lynn, MA 01901-1524
- **Phone:** (781) 581-4400
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Eliot Community Human Services (NPI 1679648182, Lexington, MA); Juliana S Pires PLLC (NPI 1366022360, Westford, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** December 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1245821222) · Data from the CMS NPPES public registry.