NATALIE V VILISSOVA MD
NPI 1831133289
Internal Medicine in Concord, MA
About Natalie V Vilissova Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIE V VILISSOVA MD (NPI 1831133289) is an individual internal medicine provider in Concord, Massachusetts, licensed in Massachusetts (213773) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Natalie V Vilissova 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
2Medicare enrollment records show Natalie Vilissova reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Methuen, MA 01844
- Reassigned Medicare billing, Massachusetts enrollment
- 258 clinicians in this Medicare group
Johnstown, CO 80534
- Reassigned Medicare billing, Massachusetts enrollment
- 53 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 3
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.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01742 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.
CONCORD, MA 01742
CONCORD, MA 01742
CONCORD, MA 01742
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 Natalie Vilissova's NPI number?
The NPI number for Natalie Vilissova is 1831133289. It was assigned to this individual provider in the NPPES registry on June 16, 2006.
Where is Natalie Vilissova located?
Natalie Vilissova practices at 133 Ornac, Concord, MA 01742. The listed phone number is (978) 287-3167.
What is Natalie Vilissova's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Natalie Vilissova enrolled in Medicare?
Yes. Natalie Vilissova 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 Natalie Vilissova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Vilissova reassigns Medicare benefits to 2 organizations: Lawrence General Hospital (Methuen, MA) and Vibra Physicians LLC (Johnstown, CO). 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 Natalie Vilissova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natalie Vilissova accept?
Health plans from Taro Health list Natalie Vilissova 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 Natalie Vilissova affiliated with any hospitals?
According to CMS data, Natalie Vilissova is affiliated with Lawrence General Hospital.
When was this NPI record last updated?
The NPPES record for Natalie Vilissova was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Natalie V Vilissova, MD · NPI 1831133289
Internal Medicine physician in Concord, Massachusetts. Individual provider, active in the CMS NPPES registry since June 16, 2006.
## Identity
- **NPI:** 1831133289 (Entity type: Individual)
- **Enumerated:** June 16, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 213773 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 133 ORNAC, Concord, MA 01742-4159
- **Phone:** (978) 287-3167 · **Fax:** (978) 287-3391
## 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): Lawrence General Hospital (NPI 1922514744, Methuen, MA); Vibra Physicians LLC (NPI 1659705424, Johnstown, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other AA28347; Other 3767953; Other J28496 (MA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1831133289) · Data from the CMS NPPES public registry.