Doctor profile · Federal record

Dr. Kristen Mars, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · New Lenox, IL

  • NPI 1568993962
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1900 Silver Cross Blvd
New Lenox, IL 604519509
(708) 364-6337
Additional location
1051 Essington RD, Suite 100
Joliet, IL 604352801
(815) 207-3025
Mailing address
1051 Essington RD, Suite 100
Joliet, IL 604352801

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
September 29, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209.015792

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568993962. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
3
Medicare allowed
$9,132
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 33 33 $107
99285 Emergency department visit with high level of medical decision making 31 30 $156
99283 Emergency department visit with low level of medical decision making 12 12 $64

In context: peer comparison

Among 8 peers in New Lenox Family Nurse Practitioner, average services per provider: 81. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Mars's medical specialty?
Dr. Kristen Mars practices Family Nurse Practitioner in New Lenox, IL.
Where does Dr. Kristen Mars practice?
Dr. Kristen Mars practices at 1900 Silver Cross Blvd, New Lenox, IL 604519509. Office phone: 7083646337.
What is Dr. Kristen Mars's NPI?
Dr. Kristen Mars's National Provider Identifier (NPI) is 1568993962, issued by NPPES.
Does Dr. Kristen Mars accept Medicare assignment?
Yes. Dr. Kristen Mars accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Mars commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.