Doctor profile · Federal record

Dr. Marissa Newtoff, M.S.N., ACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Oak Lawn, IL

  • NPI 1740519552
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4400 W 95Th St Ste 308
Oak Lawn, IL 604532660
(708) 346-4040
fax (708) 346-3287

Credentials & registration

NPPES · NUCC
NPI registered
December 2009 — 17 yrs on file
Profile last updated
December 15, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Illinois #209.007871

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740519552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
240
Distinct HCPCS
4
Medicare allowed
$39,198
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 83 83 $192
99205 New patient office or other outpatient visit, 60-74 minutes 82 82 $161
99204 New patient office or other outpatient visit, 45-59 minutes 48 48 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 27 27 $159

In context: peer comparison

Among 7 peers in Oak Lawn Acute Care Nurse Practitioner, average services per provider: 52. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,095
Transactions
10
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 10 $2,095.39

By nature of payment

Travel and Lodging
$1,219
Food and Beverage
$877

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
19
Total drug cost
$229
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 19 $229

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Newtoff's medical specialty?
Dr. Marissa Newtoff practices Acute Care Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Marissa Newtoff practice?
Dr. Marissa Newtoff practices at 4400 W 95Th St Ste 308, Oak Lawn, IL 604532660. Office phone: 7083464040.
What is Dr. Marissa Newtoff's NPI?
Dr. Marissa Newtoff's National Provider Identifier (NPI) is 1740519552, issued by NPPES.
Does Dr. Marissa Newtoff accept Medicare assignment?
Yes. Dr. Marissa Newtoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Newtoff commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); New patient office or other outpatient visit (HCPCS 99205); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.