DR. EMILY L DRENNAN M.D.
NPI 1851617179
Anesthesiology in Evanston, IL

Active since April 12, 2010PECOS EnrolledAccepts Medicare Assignment
92.06/100
CMS Quality Rating
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA, EVANSTON, IL 60201(847) 570-2760(547) 570-2921 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 4, 2025, Oct 20, 2021 (2 updates tracked since 2021).

About Dr. Emily L Drennan M.d. NPPES

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

DR. EMILY L DRENNAN M.D. (NPI 1851617179) is an individual anesthesiology provider in Evanston, Illinois, licensed in Illinois (036114738) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1851617179
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. EMILY L DRENNANCredential: M.D.
Location Address2650 RIDGE AVE., DEPARTMENT OF ANESTHESIAEvanston, IL 60201
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 570-5315
Fax(547) 570-2921
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateApril 12, 2010
Last NPPES UpdateFebruary 26, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
NPI 1851617179 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses Licensed in IL · 036114738 Licensed in UT · 8349317-1205
Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

2650 RIDGE AVE., Evanston, IL 60201

Secondary Practice Locations 2

Location 150 N Medical DrSalt Lake City, UT 84132-0001 · Phone (773) 307-2143 · Fax (773) 307-2143
Location 2251 E Huron St Ste 5-704Chicago, IL 60611-2908 · Phone (312) 695-0061 · Fax (312) 695-9013

Medicare Participation & PECOS Enrollment Status

Emily Drennan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Emily Drennan is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 7113051210

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20121018000454, I20250826005080

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anesthesia for procedure on upper urinary tubes or removal of kidney for transplant

Anesthesia is used to ensure comfort and prevent pain during a procedure on the upper urinary tubes or kidney removal for transplant. It can be general (you're asleep) or regional (only a part of your body is numb). The type used depends on the specific procedure and your overall health.

This service was performed 12 times for 12 patients

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 92.06, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 92.06 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 85.57

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category comprises 40% of a provider's final MIPS score.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 100

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category comprises 25% of a provider's final MIPS score.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category comprises 15% of a provider's final MIPS score.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category comprises 15% of a provider's final MIPS score.

  • Cost Score: N/A

    The Cost performance category assesses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category comprises 20% of a provider's final MIPS score.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Emily Drennan is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTHWESTERN MEMORIAL HOSPITAL251 E HURON ST
CHICAGO, IL 60611
(312) 926-2000Acute Care Hospitals
UNIVERSITY OF UTAH HOSPITALS AND CLINICS50 NORTH MEDICAL DRIVE
SALT LAKE CITY, UT 84132
(801) 581-2121Acute Care Hospitals

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant (Surgical)
2650 RIDGE AVE., BURCH 100, CARDIAC SURGERY DIVISION
EVANSTON, IL 60201
Internal Medicine (Infectious Disease)
2650 RIDGE AVE., BURCH BLDG. RM 124
EVANSTON, IL 60201
Pediatrics (Neonatal-Perinatal Medicine)
2650 RIDGE AVE., WALGREEN 1505
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Anesthesiology (Pain Medicine)
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201
Radiology (Vascular & Interventional Radiology)
2650 RIDGE AVE., DEPT. OF RADIOLOGY
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE., DEPARTMENT OF PATHOLOGY
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE., DEPARTMENT OF PATHOLOGY
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREEN 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Hospitalist
2650 RIDGE AVE., IM HOSPITALISTS STE 4210
EVANSTON, IL 60201
Internal Medicine (Hematology)
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201
Internal Medicine (Medical Oncology)
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201
Anesthesiology
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201
Clinical Nurse Specialist
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851617179, enumerated as an "individual" on April 12, 2010.

The provider is located at 2650 RIDGE AVE. DEPARTMENT OF ANESTHESIA EVANSTON, IL 60201 and the phone number is (847) 570-2760.

Anesthesiology with taxonomy code 207L00000X.

Emily Drennan is affiliated with: NORTHWESTERN MEMORIAL HOSPITAL and UNIVERSITY OF UTAH HOSPITALS AND CLINICS.