What is William Warren's specialty?

William Warren (NPI 1992704191) is a Medicare-billing provider whose primary specialty is Cardiology in Chattanooga, TN.

Where does William Warren practice?

William Warren practices in Chattanooga, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1992704191.

How much does Medicare pay William Warren?

William Warren (NPI 1992704191) received approximately $157K in total Medicare Part B payments, serving 2,954 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992704191

William WarrenMD

PRACTICEMEMORIAL HEART INSTITUTE, LLCSee all providers at this practice →

CardiologyChattanooga, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,456

Unique beneficiaries

—

Total services

5,929

Distinct HCPCS

Medicare payment

$149K

Peer benchmark

Total Medicare services vs. 374 Cardiology providers in TN — top quintile (cohort median 2,451).

PRESCRIBING · PART D · 2024

Total Rx claims

12,945

Beneficiaries

—

Total drug cost

$2.2M

Distinct drugs

Brand share

27.5%

Top prescribed drugs

Apixaban1,258 claims

Amlodipine Besylate983 claims

Atorvastatin Calcium871 claims

Carvedilol832 claims

Metoprolol Succinate792 claims

QUALITY · MIPS · 2024

Final MIPS score

94.3

Quality

92.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

93.2

Payment adjustment

0.81%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$38

Payment records

By payment type

Food and Beverage$38

Top paying entities

Food and Beverage$38

REFERRAL NETWORK

Where William Warren'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). 155 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEMORIAL HEALTH CARE SYSTEM INC.	1,963	4,815
MEMORIAL HEALTH CARE SYSTEM INC.	343	525
RIMER, THOMAS	275	483
Allen Atchley Cardiology · Chattanooga, TN	259	451
George Watson Diagnostic Radiology · Chattanooga, TN	216	364
PIEZ, CHARLES	191	342
MILLS, ROBERT	184	323
Kilton Kingsman Diagnostic Radiology · Chattanooga, TN	178	274
William Rowlett Diagnostic Radiology · Chattanooga, TN	176	299
James Marcum Cardiology · Cleveland, TN	173	282
Gregory Bruce Clinical Cardiac Electrophysiology · Chattanooga, TN	163	326
Calvin Ledford Cardiology · Chattanooga, TN	155	336

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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