Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MEGAN E SULLIVAN M.D.
NPI 1023252780
Pathology - Anatomic Pathology in Evanston, IL

Q: What is Megan Sullivan's NPI number?

The NPI number for Megan Sullivan is 1023252780. It was assigned to this individual provider in the NPPES registry on April 26, 2009.

Q: What is Megan Sullivan's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Q: When was this NPI record last updated?

The NPPES record for Megan Sullivan was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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 April 26, 2009PECOS EnrolledAccepts Medicare Assignment

93.08/100

CMS Quality Rating

2650 RIDGE AVE, EVANSTON, IL 60201(847) 570-2167(847) 570-1938 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Megan E Sullivan M.d. NPPES

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

DR. MEGAN E SULLIVAN M.D. (NPI 1023252780) is an individual anatomic pathology provider in Evanston, Illinois, licensed in Illinois (036116932) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1023252780

Entity TypeIndividualFemale

Primary Taxonomy207ZP0101X

Provider Legal NameDR. MEGAN E SULLIVANCredential: M.D.

Location Address2650 RIDGE AVEEvanston, IL 60201-1700

Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315

Phone(847) 570-2167

Fax(847) 570-1938

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2004

Enumeration DateApril 26, 2009

Last NPPES UpdateOctober 13, 2026

NPPES CertifiedOctober 13, 2026

✔ NPI 1023252780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0101X

License✔ Licensed in IL · 036116932

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 036-116932 (IL)

2650 RIDGE AVE, Evanston, IL 60201

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Secondary Practice Location 1

Location 1680 N Lake Shore Dr, Suite 1000Chicago, IL 60611-4546 · Phone (312) 926-3211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Megan E Sullivan 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 ID2264582162

PECOS Enrollment IDI20090616000288

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.

Medicare Billing Reassignments

Medicare enrollment records show Megan Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endeavor Health Medical Group

Same address

Anesthesiology

2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1265695944 (847) 570-2760

Northwestern Medical Faculty Foundation

29 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,822 services876 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

561 services150 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

403 services141 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

237 services88 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

208 services169 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

58 services56 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

54 services28 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

51 services48 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

36 services34 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

34 services31 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

27 services17 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

27 services16 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

23 services17 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

22 services20 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

18 services18 patients

Hospital Affiliations CMS Care Compare 3

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

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140088

Location5841 South MarylandChicago, IL 60637 · Cook County

Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

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.

93.08/100

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

Scored through an Alternative Payment Model

Quality

80.79

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. THOMAS LEE CIBULL M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201

Cook County (847) 570-2040

LAUREN ANDERSON MD

Hospitalist

2650 RIDGE AVE
EVANSTON, IL 60201

Cook County (847) 570-1027

DR. DANIEL K. WEST MD

Radiology (Diagnostic Radiology)

2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201

Cook County (847) 570-2475

JOEL BERNSTEIN M.D.

Radiology (Diagnostic Radiology)

2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201

Cook County (847) 570-1206

MATTHEW R. SHERWOOD MD

Internal Medicine

2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201

Cook County (847) 570-1010

MICHAEL T. GILLAM M.D.

Emergency Medicine

2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201

Cook County (847) 570-2114

MARLENE ANGELICO CNP

Nurse Practitioner (Acute Care)

2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201

Cook County (847) 570-1355

MINA KEROLOS MD

Hospitalist

2650 RIDGE AVE
EVANSTON, IL 60201

Cook County (847) 570-1010

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 Megan Sullivan's NPI number?

The NPI number for Megan Sullivan is 1023252780. It was assigned to this individual provider in the NPPES registry on April 26, 2009.

Where is Megan Sullivan located?

Megan Sullivan practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-2167.

What is Megan Sullivan's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Megan Sullivan enrolled in Medicare?

Yes. Megan Sullivan 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.

Which organizations bill Medicare for Megan Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Sullivan reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Megan Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Megan Sullivan affiliated with any hospitals?

According to CMS data, Megan Sullivan is affiliated with Northshore University Healthsystem - Evanston Hospital, The University Of Chicago Medical Center and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Megan Sullivan was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.