PROVIDER PROFILE · NPI 1447205869

Diane FlershemM.D.

PRACTICERIVERSIDE MEDICAL, S.C.See all providers at this practice →

Internal MedicineArlington Heights, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,264

Unique beneficiaries

—

Total services

4,955

Distinct HCPCS

Medicare payment

$249K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

7,439

Beneficiaries

—

Total drug cost

$399K

Distinct drugs

Brand share

14.2%

Top prescribed drugs

Atorvastatin Calcium715 claims

Rosuvastatin Calcium681 claims

Amlodipine Besylate482 claims

Levothyroxine Sodium447 claims

Omeprazole334 claims

QUALITY · MIPS · 2024

Final MIPS score

91.5

Quality

94.5

Cost

77.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.69%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$7K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5K

Food and Beverage$2K

REFERRAL NETWORK

Where Diane Flershem's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 17 inbound referrers · 40 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mallory Fillmore Physician Assistant · Corvallis, OR	41	166
Eric Yegelwel Gastroenterology · Arlington Heights, IL	33	222
Stephen Zivin Diagnostic Radiology · Madison, CT	26	87
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	22	49
Scott Preusen Diagnostic Radiology · Springfield, IL	19	113
Marc Roy Diagnostic Radiology · Arlington Heights, IL	18	48
David Dubois Diagnostic Radiology · Saint Louis, MO	16	55
MELLIERE, BRAD	16	47
Gregory Scott Pulmonary Disease · Arlington Heights, IL	16	123
LONGO, ROBERT	15	92
Vinay Singh Diagnostic Radiology · Arlington Heights, IL	15	48
Stephen Zaacks Interventional Cardiology · Arlington Heights, IL	14	41

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	224	1,361
NORTHWEST COMMUNITY HOSPITAL	175	1,068
Mallory Fillmore Physician Assistant · Corvallis, OR	39	178
Allan Malmed Diagnostic Radiology · Arlington Heights, IL	32	92
Eric Yegelwel Gastroenterology · Arlington Heights, IL	29	217
AKI, ROBERT	28	91
Anthony Malone Diagnostic Radiology · Arlington Heights, IL	21	52
Stephen Zivin Diagnostic Radiology · Madison, CT	20	78
Lindsey Rabushka Diagnostic Radiology · Arlington Heights, IL	19	49
Alan Spiegel Cardiology · Arlington Heights, IL	18	130
Steven Lupovitch Cardiology · Arlington Heights, IL	18	95
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	18	41

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history