DR. MARY ELLEN ACREE M.D.
NPI 1336378348
Internal Medicine - Infectious Disease in Evanston, IL

Active since July 11, 2009PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
1000 CENTRAL ST STE 800, EVANSTON, IL 60201(847) 657-5959(847) 657-5764 Get Directions Write a Review

NPPES record last updated: April 7, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 7, 2021, Nov 1, 2018 (2 updates tracked since 2018).

About Dr. Mary Ellen Acree M.d. NPPES

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

DR. MARY ELLEN ACREE M.D. (NPI 1336378348) is an individual infectious disease provider in Evanston, Illinois, licensed in Illinois (036132125) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Ohio State University College Of Medicine (2009).

NPPES Registry Identity

NPI1336378348
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MARY ELLEN ACREECredential: M.D.
Location Address1000 CENTRAL ST STE 800Evanston, IL 60201-1780
Mailing Address1000 Central St Ste 800Evanston, IL 60201-1780 · (847) 657-5959 · Fax (847) 657-5764
Fax(847) 657-5764
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2009
Enumeration DateJuly 11, 2009
Last NPPES UpdateApril 7, 20212 updates tracked since enumeration
NPPES CertifiedApril 7, 2021
NPI 1336378348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in IL · 036132125
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036.132125 (IL)
Also ListedPediatricsTaxonomy 208000000X · License 036.132125 (IL)
Also ListedPediatrics · Pediatric Infectious DiseasesTaxonomy 2080P0208X · License 036132125 (IL)
1000 CENTRAL ST STE 800, Evanston, IL 60201

Accepted Insurance

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. Mary Ellen Acree 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 ID42538852
PECOS Enrollment IDI20170724002407
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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
527 services207 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
132 services131 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
90 services63 patients
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.
58 services42 patients
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.
21 services17 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
13 services11 patients

Hospital Affiliations CMS Care Compare 2

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

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
Quality80.79
Promoting Interoperability100
Improvement Activities40

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.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Rheumatology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Nephrology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Gastroenterology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Nephrology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Gastroenterology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Internal Medicine (Infectious Disease)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201
Pediatrics (Pediatric Gastroenterology)
1000 CENTRAL ST STE 800
EVANSTON, IL 60201

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 Mary Acree's NPI number?

The NPI number for Mary Acree is 1336378348. It was assigned to this individual provider in the NPPES registry on July 11, 2009.

Where is Mary Acree located?

Mary Acree practices at 1000 Central St Ste 800, Evanston, IL 60201. The listed phone number is (847) 657-5959.

What is Mary Acree's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Mary Acree enrolled in Medicare?

Yes. Mary Acree 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.

What insurance does Mary Acree accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Mary Acree 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 Mary Acree affiliated with any hospitals?

According to CMS data, Mary Acree is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Mary Acree was last updated on April 7, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.