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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NATALIE V VILISSOVA MD
NPI 1831133289
Internal Medicine in Concord, MA

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
133 ORNAC, CONCORD, MA 01742(978) 287-3167(978) 287-3391 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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

NPI1831133289
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNATALIE V VILISSOVACredential: MD
Location Address133 ORNACConcord, MA 01742-4159
Mailing Address133 OrnacConcord, MA 01742-4159 · (978) 287-3167 · Fax (978) 287-3391
Phone(978) 287-3167
Fax(978) 287-3391
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateJune 16, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1831133289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 213773
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
133 ORNAC, Concord, MA 01742
Open in Google Maps ↗

Other Identifiers 5

OtherAA28347Harvard Pilgrim Healthcar
Other3767953Aetna
OtherJ28496MA · Bcbs
Other467891Tufts Health Care
Other93039MA · Fallon

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID4587617980
PECOS Enrollment IDI20050225000193
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
362 services141 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
88 services86 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients

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, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220010
LocationOne General StreetLawrence, MA 01842 · Essex County
Emergency services Birthing friendly

Physician 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.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MR. PAUL E GRIFFIN R.PH.
Pharmacist
133 ORNAC, EMERSON HOSPITAL
CONCORD, MA 01742
Middlesex County (978) 287-3769
ROSEMARIE DOLAN-LEE CFNP
Nurse Practitioner (Family)
133 ORNAC, EMERSON HOSPITAL NORTH 5
CONCORD, MA 01742
Middlesex County (978) 369-1400
DR. PETER SCOTT BENJAMIN M.D.
Internal Medicine
133 ORNAC
CONCORD, MA 01742
Middlesex County (978) 287-3627
PAIGE LAUREN MALLORY PHARMD
Pharmacist
133 ORNAC
CONCORD, MA 01742
Middlesex County (978) 287-3770
GINA ELISABETTA OUELLETTE
Emergency Medicine (Emergency Medical Services)
133 ORNAC
CONCORD, MA 01742
Middlesex County (978) 369-1400
PETER STERN
Pharmacist
133 ORNAC
CONCORD, MA 01742
Middlesex County (978) 287-3770
DR. HENRY WINCHESTER VAILLANT MD
Internal Medicine
133 ORNAC
CONCORD, MA 01742
Middlesex County (978) 369-1400
MRS. KATHRYN R SMALL NP
Nurse Practitioner (Acute Care)
133 ORNAC, EMERSON HOSPITAL CREDENTIALS
CONCORD, MA 01742
Middlesex County (978) 287-3167

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.

What insurance does Natalie Vilissova accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield 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 45 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.