DR. MARC POSNER M.D.
NPI 1871569574
Radiology - Radiation Oncology in Lake Forest, IL

Q: What is Marc Posner's NPI number?

The NPI number for Marc Posner is 1871569574. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Q: What is Marc Posner's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Marc Posner was last updated on September 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since February 23, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

660 N WESTMORELAND RD, LAKE FOREST, IL 60045(847) 535-6135(847) 535-7858 Get Directions Write a Review

NPPES record last updated: September 2, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Marc Posner M.d. NPPES

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

DR. MARC POSNER M.D. (NPI 1871569574) is an individual radiation oncology provider in Lake Forest, Illinois, licensed in Illinois (036102182) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Harvard Medical School (1995).

NPPES Registry Identity

NPI1871569574

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. MARC POSNERCredential: M.D.

Location Address660 N WESTMORELAND RDLake Forest, IL 60045-1659

Mailing Address660 N Westmoreland RdLake Forest, IL 60045-1659 · (847) 535-6135 · Fax (847) 535-7858

Phone(847) 535-6135

Fax(847) 535-7858

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1995

Enumeration DateFebruary 23, 2006

Last NPPES UpdateSeptember 2, 2014

✔ NPI 1871569574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in IL · 036102182

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

660 N WESTMORELAND RD, Lake Forest, IL 60045

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Other Identifiers 2

Medicare UPINH15210

Medicaid036102182IL

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

Dr. Marc Posner M.d. 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 ID6305977091

PECOS Enrollment IDI20100624000298

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 31

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.

Ultrasonic guidance for placement of radiation therapy fields G6001

Ultrasonic guidance for radiation therapy fields involves using sound waves to create images of the treatment area. This helps to precisely locate the area needing radiation therapy, ensuring the treatment is directed accurately, minimizing harm to healthy tissues.

568 services33 patients

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

366 services58 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

281 services77 patients

Ct guidance for insertion of radiation therapy fields 77014

233 services30 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

225 services132 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

181 services89 patients

Radiation treatment management, 5 treatment sessions 77427

165 services39 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

165 services25 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

145 services135 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

126 services17 patients

Calculation of radiation therapy dose 77300

116 services53 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

90 services64 patients

Design and construction of complex radiation treatment device 77334

77 services20 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

67 services50 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.

50 services50 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

46 services45 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

40 services40 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

37 services29 patients

Special radiation therapy planning 77331

Special radiation therapy planning is a process to determine the most effective way to deliver radiation treatment. It involves imaging studies to map your body's internal structure, which helps in targeting the exact area needing treatment while sparing healthy tissues.

36 services22 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

27 services23 patients

High precision radiation therapy planning 77301

27 services26 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

26 services22 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

25 services24 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.

25 services25 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

23 services22 patients

3d radiation therapy planning 77295

21 services18 patients

Special radiation therapy planning for delivery of external radiation 77321

Special radiation therapy planning involves mapping your body's needs for external radiation treatment. This process uses advanced imaging techniques to pinpoint the exact area requiring treatment, ensuring the radiation is delivered accurately and effectively, while minimizing exposure to healthy tissues.

21 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

20 services20 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

19 services17 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.

12 services12 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 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

$181.38 typical visit price

range $59.81 – $181.38

Typical copayment $45.34 (range $14.95 – $45.34)

Most-billed visit code 99205

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

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.

DR. JOHN CHONGWON LEE M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 535-6217

ROBERT J HARTMAN MD SC

Obstetrics & Gynecology

660 N WESTMORELAND RD, SUITE 302
LAKE FOREST, IL 60045

Lake County (847) 615-2229

DR. VIKRAM KANAKAYYA DEVISETTY M.D., M.B.A., M.P.H.

Hospitalist

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 234-5600

ARISTEIDIE DIVERIS

Anesthesiology

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 535-6100

MRS. MADONNA NMI STOIOFF M.A.

Audiologist

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (846) 535-6114

MS. KAITLIN E MASTALERZ PA-C

Physician Assistant

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 234-5600

MRS. AMY LOUISE BARNARD APN

Clinical Nurse Specialist (Critical Care Medicine)

660 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 535-6375

NORTHEAST RADIOLOGY ASSOCIATES, S.C.

Clinic/Center (Radiology)

660 N WESTMORELAND RD, RADIOLOGY DEPARTMENT
LAKE FOREST, IL 60045

Lake County (847) 535-6313

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 Marc Posner's NPI number?

The NPI number for Marc Posner is 1871569574. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Marc Posner located?

Marc Posner practices at 660 N Westmoreland Rd, Lake Forest, IL 60045. The listed phone number is (847) 535-6135.

What is Marc Posner's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Marc Posner enrolled in Medicare?

Yes. Marc Posner 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 Marc Posner affiliated with any hospitals?

According to CMS data, Marc Posner is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marc Posner was last updated on September 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.