PROVIDER PROFILE · NPI 1508801093

John FriedewaldMD

NephrologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

430

Unique beneficiaries

—

Total services

769

Distinct HCPCS

Medicare payment

$48K

Peer benchmark

Total Medicare services vs. 404 Nephrology providers in IL — below median (cohort median 1,672).

PRESCRIBING · PART D · 2024

Total Rx claims

1,169

Beneficiaries

—

Total drug cost

$129K

Distinct drugs

Brand share

45.0%

Top prescribed drugs

Sulfamethoxazole/Trimethoprim447 claims

Prednisone157 claims

Carvedilol72 claims

Amlodipine Besylate59 claims

Tacrolimus58 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

83.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$30K

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$20K

Consulting Fee$7K

Travel and Lodging$3K

Food and Beverage$670

REFERRAL NETWORK

Where John Friedewald'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). 40 inbound referrers · 81 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWESTERN MEMORIAL HEALTHCARE	368	3,218
Lorenzo Gallon Nephrology · Chicago, IL	83	729
KAMUDA, DONNA	82	468
Mohammed Javeed Ansari Nephrology · Chicago, IL	61	307
Joseph Leventhal General Surgery · Chicago, IL	41	316
Felicitas Koller General Surgery · Chicago, IL	38	286
ISON, MICHAEL	37	606
Valentina Stosor Infectious Disease · Chicago, IL	36	241
Thomas Grant Diagnostic Radiology · Chicago, IL	36	190
WIGGINS, CAROLYN	32	243
Rishi Agrawal Diagnostic Radiology · Houston, TX	32	295
Eric Hart Diagnostic Radiology · Chicago, IL	31	349

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWESTERN MEMORIAL HEALTHCARE	259	2,311
Bing Ho Nephrology · Chicago, IL	149	1,366
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	118	1,691
KAMUDA, DONNA	88	415
Lorenzo Gallon Nephrology · Chicago, IL	82	483
SUSTENTO-REODICA, NEDJEMA	79	439
Xunrong Luo Nephrology · Chicago, IL	78	586
Mohammed Javeed Ansari Nephrology · Chicago, IL	72	702
Felicitas Koller General Surgery · Chicago, IL	54	502
Jason Wertheim General Surgery · Tucson, AZ	50	590
ISON, MICHAEL	47	446
NPI 1548290877	41	272

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