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

BRANKA O'SULLIVAN MD
NPI 1497709968
Internal Medicine in Skokie, IL

Q: What is Branka O'sullivan's NPI number?

The NPI number for Branka O'sullivan is 1497709968. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is Branka O'sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Branka O'sullivan was last updated on November 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 20, 2006PECOS Enrolled

9669 KENTON AVE, SKOKIE, IL 60076(847) 933-3590 Get Directions Write a Review

NPPES record last updated: November 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 8, 2026, Jul 21, 2022, Oct 13, 2020 and 2 more (5 updates tracked since 2017).

On this page

About Branka O'sullivan Md NPPES

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

BRANKA O'SULLIVAN MD (NPI 1497709968) is an individual internal medicine provider in Skokie, Illinois, licensed in Illinois (036-098633) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1497709968

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameBRANKA O'SULLIVANCredential: MD

Location Address9669 KENTON AVESkokie, IL 60076-1266

Mailing Address9669 Kenton AveSkokie, IL 60076-1266 · (847) 933-3590

Phone(847) 933-3590

Sole ProprietorYes

Medical School CMSOtherGraduated 1985

Enumeration DateMay 20, 2006

Last NPPES UpdateNovember 8, 20265 updates tracked since enumeration

NPPES CertifiedOctober 13, 2020

✔ NPI 1497709968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036-098633

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

9669 KENTON AVE, Skokie, IL 60076

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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

Branka O'sullivan Md 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 ID4082502950

PECOS Enrollment IDI20040318000958

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 Reassignment

Medicare enrollment records show Branka O'sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group

2.9 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

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

NPI 1497701882 (847) 570-5235

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 12

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

866 services469 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

434 services434 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

149 services144 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

118 services110 patients

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181

This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.

39 services27 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

31 services28 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.

30 services27 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

24 services22 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

23 services16 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

18 services18 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

18 services18 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

17 services16 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

Presence Saint Francis Hospital

Acute Care Hospitals · Evanston, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140080

Location355 Ridge AveEvanston, IL 60202 · Cook County

Emergency services

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

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140223

Location1775 Dempster StPark Ridge, IL 60068 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60076 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

36 suppliers90 claims238 services$5.90 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

18 suppliers42 claims71 services$1.10 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier23 claims23 services$15.76 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier13 claims13 services$67.56 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ANTOINETTE V AHR

Nurse Practitioner

9669 KENTON AVE, SUITE 206
SKOKIE, IL 60076

Cook County (847) 676-1333

DANIEL A ROSENTHAL MD

Internal Medicine

9669 KENTON AVE, SUITE 203
SKOKIE, IL 60076

Cook County (847) 677-0212

PEDIATRIC MEDICAL SERVICES

Pediatrics

9669 KENTON AVE, STE 403
SKOKIE, IL 60076

Cook County (847) 674-4730

JULIA LITVIN M.D.

Specialist

9669 KENTON AVE, SUITE 510
SKOKIE, IL 60076

Cook County (847) 677-1333

BERNARD H SHULMAN MD, PC

Psychologist

9669 KENTON AVE, SUITE 209
SKOKIE, IL 60076

Cook County (847) 679-8000

MRS. MICHELE LYNN WINIARZ PA-C

Physician Assistant (Medical)

9669 KENTON AVE, SUITE 300
SKOKIE, IL 60076

Cook County (847) 677-4205

ALAN J. CAMIN, M.D.S.C.

Family Medicine

9669 KENTON AVE, STE. 602
SKOKIE, IL 60076

Cook County (847) 677-0550

DR. DARRYL A STERN M.D.

Internal Medicine

9669 KENTON AVE, STE 203
SKOKIE, IL 60076

Cook County (847) 677-0212

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 Branka O'sullivan's NPI number?

The NPI number for Branka O'sullivan is 1497709968. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Branka O'sullivan located?

Branka O'sullivan practices at 9669 Kenton Ave, Skokie, IL 60076. The listed phone number is (847) 933-3590.

What is Branka O'sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Branka O'sullivan enrolled in Medicare?

Yes. Branka O'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 organization bills Medicare for Branka O'sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Branka O'sullivan reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Branka O'sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Branka O'sullivan accept?

Health plans from Oscar Health list Branka O'sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Branka O'sullivan affiliated with any hospitals?

According to CMS data, Branka O'sullivan is affiliated with Northshore University Healthsystem - Evanston Hospital, Presence Saint Francis Hospital, Swedish Hospital and Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for Branka O'sullivan was last updated on November 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.