Doctor profile · Federal record

Dr. Natalie Vilissova, MD

Internal Medicine Physician (CMS: Family Practice) · Concord, MA

  • NPI 1831133289
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Ornac
Concord, MA 017424159
(978) 287-3167
fax (978) 287-3391

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #213773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831133289. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
510
Distinct HCPCS
5
Medicare allowed
$51,999
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 306 160 $80
99239 Hospital discharge day management, more than 30 minutes 65 64 $116
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 53 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 51 $175
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 35 24 $120

In context: peer comparison

Among 15 peers in this city , average services per provider: 91. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$126
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $34.99
Janssen Pharmaceuticals, Inc 1 $31.75
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $30.11
Novartis Pharmaceuticals Corporation 1 $29.23

By nature of payment

Food and Beverage
$126

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalie Vilissova's medical specialty?
Dr. Natalie Vilissova practices Internal Medicine Physician in Concord, MA.
Where does Dr. Natalie Vilissova practice?
Dr. Natalie Vilissova practices at 133 Ornac, Concord, MA 017424159. Office phone: 9782873167.
What is Dr. Natalie Vilissova's NPI?
Dr. Natalie Vilissova's National Provider Identifier (NPI) is 1831133289, issued by NPPES.
Does Dr. Natalie Vilissova accept Medicare assignment?
Yes. Dr. Natalie Vilissova accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalie Vilissova commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.