MRS. MARISSA K NEWTOFF M.S.N., ACNP-BC
NPI 1740519552
Nurse Practitioner - Acute Care in Oak Lawn, IL

Active since December 08, 2009PECOS EnrolledAccepts Medicare Assignment
4400 W 95TH ST STE 308, OAK LAWN, IL 60453(708) 346-4040(708) 346-3287 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Marissa K Newtoff M.s.n., Acnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARISSA K NEWTOFF M.S.N., ACNP-BC (NPI 1740519552) is an individual acute care provider in Oak Lawn, Illinois, licensed in Illinois (209.007871) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1740519552
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. MARISSA K NEWTOFFCredential: M.S.N., ACNP-BC
Location Address4400 W 95TH ST STE 308Oak Lawn, IL 60453-2660
Mailing Address4400 W 95th St Ste 308Oak Lawn, IL 60453-2660 · (087) 346-4040 · Fax (087) 346-3287
Fax(708) 346-3287
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateDecember 8, 2009
Last NPPES UpdateDecember 15, 2021
NPPES CertifiedDecember 15, 2021
NPI 1740519552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in IL · 209.007871
4400 W 95TH ST STE 308, Oak Lawn, IL 60453

Other Names 1

Former Name (1)Ms. Marissa K Anderson M.s.n., Acnp-bc

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

Mrs. Marissa K Newtoff M.s.n., Acnp-bc 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 ID2567764517
PECOS Enrollment IDI20160107001139
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 4

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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
109 services109 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
77 services77 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
21 services21 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
14 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140101
Location150 W High StMorris, IL 60450 · Grundy County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Physician Assistant
4400 W 95TH ST STE 308
OAK LAWN, IL 60453

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 Marissa Newtoff's NPI number?

The NPI number for Marissa Newtoff is 1740519552. It was assigned to this individual provider in the NPPES registry on December 8, 2009. The provider is also known as Ms. Marissa K Anderson M.S.N., Acnp-Bc.

Where is Marissa Newtoff located?

Marissa Newtoff practices at 4400 W 95th St Ste 308, Oak Lawn, IL 60453. The listed phone number is (708) 346-4040.

What is Marissa Newtoff's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Marissa Newtoff enrolled in Medicare?

Yes. Marissa Newtoff 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.

Is Marissa Newtoff affiliated with any hospitals?

According to CMS data, Marissa Newtoff is affiliated with Advocate Trinity Hospital, Morris Hospital & Healthcare Centers, Advocate Christ Hospital & Medical Center and Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Marissa Newtoff was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.