DR. RACHEL ANNE O'MARA MD
NPI 1891701702
Internal Medicine in Chicago, IL

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
676 N SAINT CLAIR ST, SUITE 1740, CHICAGO, IL 60611(312) 926-0444(312) 926-2797 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Rachel Anne O'mara Md NPPES

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

DR. RACHEL ANNE O'MARA MD (NPI 1891701702) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-113766) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Northwestern University Feinberg Medical School (1999).

NPPES Registry Identity

NPI1891701702
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. RACHEL ANNE O'MARACredential: MD
Location Address676 N SAINT CLAIR ST, SUITE 1740Chicago, IL 60611-2927
Mailing Address676 N Saint Clair St, Suite 1740Chicago, IL 60611-2927 · (312) 926-0444 · Fax (312) 926-2797
Fax(312) 926-2797
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1999
Enumeration DateJuly 31, 2006
Last NPPES UpdateFebruary 12, 2026
NPPES CertifiedDecember 29, 2021
NPI 1891701702 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 · 036-113766
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.
676 N SAINT CLAIR ST, Chicago, IL 60611

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. Rachel Anne O'mara 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 ID6002850161
PECOS Enrollment IDI20061122000434
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 5

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.
51 services34 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.
51 services32 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.
49 services49 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
44 services43 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
43 services43 patients

Hospital Affiliations CMS Care Compare 3

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · 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 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 60611 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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
100%23 patients5/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
100%32 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%32 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Social Worker (Clinical)
676 N SAINT CLAIR ST
CHICAGO, IL 60611
Internal Medicine
676 N SAINT CLAIR ST, SUITE 2300
CHICAGO, IL 60611
Thoracic Surgery (Cardiothoracic Vascular Surgery)
676 N SAINT CLAIR ST, SUITE 650
CHICAGO, IL 60611
Dermatology
676 N SAINT CLAIR ST, SUITE 1600
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
676 N SAINT CLAIR ST, STE 2140
CHICAGO, IL 60611
Internal Medicine (Gastroenterology)
676 N SAINT CLAIR ST, SUITE 1525
CHICAGO, IL 60611
Obstetrics & Gynecology
676 N SAINT CLAIR ST, #1880
CHICAGO, IL 60611
Internal Medicine (Hematology & Oncology)
676 N SAINT CLAIR ST, SUITE 850
CHICAGO, IL 60611

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 Rachel O'mara's NPI number?

The NPI number for Rachel O'mara is 1891701702. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Rachel O'mara located?

Rachel O'mara practices at 676 N Saint Clair St Suite 1740, Chicago, IL 60611. The listed phone number is (312) 926-0444.

What is Rachel O'mara's specialty?

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

Is Rachel O'mara enrolled in Medicare?

Yes. Rachel O'mara 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 Rachel O'mara affiliated with any hospitals?

According to CMS data, Rachel O'mara is affiliated with Palos Community Hospital, Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Rachel O'mara was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.