What is David Charman's specialty?

David Charman (NPI 1346228954) is a Medicare-billing provider whose primary specialty is Internal Medicine in Buffalo Grove, IL.

Where does David Charman practice?

David Charman practices in Buffalo Grove, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1346228954.

How much does Medicare pay David Charman?

David Charman (NPI 1346228954) received approximately $66K in total Medicare Part B payments, serving 147 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1346228954

David CharmanM.D.

Internal MedicineBuffalo Grove, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

575

Unique beneficiaries

—

Total services

745

Distinct HCPCS

Medicare payment

$60K

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

2,306

Beneficiaries

—

Total drug cost

$175K

Distinct drugs

Brand share

17.0%

Top prescribed drugs

Rosuvastatin Calcium193 claims

Losartan Potassium144 claims

Levothyroxine Sodium141 claims

Atorvastatin Calcium141 claims

Amlodipine Besylate129 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

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where David Charman'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). 15 inbound referrers · 36 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	31	82
David Dubois Diagnostic Radiology · Saint Louis, MO	22	42
Stephen Zivin Diagnostic Radiology · Madison, CT	20	36
Mark Charman Internal Medicine · Buffalo Grove, IL	20	66
Evan Oblonsky Diagnostic Radiology · Arlington Heights, IL	18	38
David Guthman Urology · Arlington Heights, IL	18	63
Marc Roy Diagnostic Radiology · Arlington Heights, IL	18	53
Dipal Shah Endocrinology · Arlington Heights, IL	18	67
Andreas Seidler Internal Medicine · Mt Prospect, IL	17	84
Carl Kalbhen Diagnostic Radiology · Arlington Heights, IL	16	29
Gilbert Sita Interventional Cardiology · Arlington Heights, IL	15	75
Paul Ruzumna Cardiology · Arlington Heights, IL	12	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWEST COMMUNITY HOSPITAL	422	2,095
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	40	126
Anthony Malone Diagnostic Radiology · Arlington Heights, IL	35	92
Carl Lang Internal Medicine · Buffalo Grove, IL	29	60
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	23	49
Lindsey Rabushka Diagnostic Radiology · Arlington Heights, IL	22	53
Scott Preusen Diagnostic Radiology · Springfield, IL	21	68
David Guthman Urology · Arlington Heights, IL	21	156
Clifford Wolf Diagnostic Radiology · Arlington Heights, IL	21	67
Allan Malmed Diagnostic Radiology · Arlington Heights, IL	20	34
MELLIERE, BRAD	18	50
Brian Albert Internal Medicine · Mt Prospect, IL	18	54

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events