DR. DIANE FLERSHEM M.D.
NPI 1447205869
Internal Medicine in Arlington Heights, IL

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
88.23/100
CMS Quality Rating
3405 N ARLINGTON HEIGHTS RD, ARLINGTON HEIGHTS, IL 60004(847) 577-9300(847) 577-9318 Get Directions Write a Review

NPPES record last updated: February 25, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Diane Flershem M.d. NPPES

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

DR. DIANE FLERSHEM M.D. (NPI 1447205869) is an individual internal medicine provider in Arlington Heights, Illinois, licensed in Illinois (036095157) 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 Rush Medical College Of Rush University (1994).

NPPES Registry Identity

NPI1447205869
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. DIANE FLERSHEMCredential: M.D.
Location Address3405 N ARLINGTON HEIGHTS RDArlington Heights, IL 60004-1536
Mailing Address3405 N Arlington Heights RdArlington Heights, IL 60004-1536 · (847) 577-9300 · Fax (847) 577-9318
Fax(847) 577-9318
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 1994
Enumeration DateMay 24, 2006
Last NPPES UpdateFebruary 25, 2011
NPI 1447205869 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 · 036095157
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.
3405 N ARLINGTON HEIGHTS RD, Arlington Heights, IL 60004

Other Identifiers 3

Medicare ID-Type UnspecifiedL62708IL
Medicaid036095157IL
Medicare UPING62380IL

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. Diane Flershem 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 ID941199871
PECOS Enrollment IDI20101022001152
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 25

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.
1,160 services486 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.
407 services407 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
406 services53 patients
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420
This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.
406 services53 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
391 services244 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
322 services322 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

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60004 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.

88.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality98.16
Promoting Interoperability99
Improvement Activities40
Cost63.45

Reported Quality Measures

Advance Care Plan
73%704 patients3/55-star benchmark: 100%
Colorectal Cancer Screening
61%1,102 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
69%352 patients4/55-star benchmark: 91%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
21%140 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
87%3,940 patients4/55-star benchmark: 100%
e-Prescribing
98%2,036 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
100%1,632 patients5/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
70%1,449 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 47% · 1,520 patients
Patients screened: 47% · 1,520 patients
100%36 patients5/55-star benchmark: 100%
Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling
Patients screened: 2% · 1,520 patients
2%1,520 patients
Provide Patients Electronic Access to Their Health Information
98%591 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 2% · 705 patients
Patients totalRate: 5% · 727 patients
3%727 patients4/55-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.

Referred Medical Equipment & Supplies CMS DME claims 2

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
19 suppliers48 claims113 services$5.92 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
11 suppliers24 claims26 services$1.06 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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Physical Therapist
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004
Internal Medicine
3405 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60004

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 Diane Flershem's NPI number?

The NPI number for Diane Flershem is 1447205869. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Diane Flershem located?

Diane Flershem practices at 3405 N Arlington Heights Rd, Arlington Heights, IL 60004. The listed phone number is (847) 577-9300.

What is Diane Flershem's specialty?

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

Is Diane Flershem enrolled in Medicare?

Yes. Diane Flershem 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 Diane Flershem affiliated with any hospitals?

According to CMS data, Diane Flershem is affiliated with Northshore University Healthsystem - Evanston Hospital, Advocate Lutheran General Hospital, Northwestern Medicine Central Dupage Hospital and Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Diane Flershem was last updated on February 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.