PROVIDER PROFILE · NPI 1447247572

James LengemannMD

Internal MedicineNaperville, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

459

Unique beneficiaries

—

Total services

710

Distinct HCPCS

Medicare payment

$61K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,893

Beneficiaries

—

Total drug cost

$128K

Distinct drugs

Brand share

8.0%

Top prescribed drugs

Atorvastatin Calcium224 claims

Amlodipine Besylate199 claims

Losartan Potassium159 claims

Levothyroxine Sodium123 claims

Metoprolol Succinate102 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

75.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$368

Payment records

By payment type

Food and Beverage$368

REFERRAL NETWORK

Where James Lengemann'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). 9 inbound referrers · 22 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EDWARD HOSPITAL	219	1,367
Christina Bartz Physician Assistant · Naperville, IL	24	75
RESIDENTIAL HOME HEALTH ILLINOIS, LLC	16	44
Paul Backas Diagnostic Radiology · Naperville, IL	16	78
Alan Nazerian Diagnostic Radiology · Oak Brook, IL	16	38
Mark Ottolin Internal Medicine · Naperville, IL	14	38
SHERMAN, LEONARD	12	26
Todd Singer Diagnostic Radiology · Naperville, IL	11	31
Amaar Malik Diagnostic Radiology · Naperville, IL	11	25

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
EDWARD HOSPITAL	149	891
Sandra Davis Nurse Practitioner · Naperville, IL	57	176
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	30	76
Christina Bartz Physician Assistant · Naperville, IL	24	84
Tina Bhargava Internal Medicine · Naperville, IL	24	74
Michael Mitchell Diagnostic Radiology · Naperville, IL	21	53
Eve Mara Diagnostic Radiology · Naperville, IL	19	69
Mark Ottolin Internal Medicine · Naperville, IL	18	48
HAGGAR, ALLAN	18	39
Heidi Eklund Diagnostic Radiology · Naperville, IL	15	25
Darius Gilvydis Diagnostic Radiology · Naperville, IL	15	43
Ankur Vaghani Diagnostic Radiology · Naperville, IL	14	30

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