What is William Lizarraga's specialty?

William Lizarraga (NPI 1538385091) is a Medicare-billing provider whose primary specialty is Internal Medicine in Nashville, TN.

Where does William Lizarraga practice?

William Lizarraga practices in Nashville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1538385091.

How much does Medicare pay William Lizarraga?

William Lizarraga (NPI 1538385091) received approximately $103K in total Medicare Part B payments, serving 305 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538385091

William LizarragaM.D.

PRACTICECOLUMBIA MEDICAL GROUP - THE FRIST CLINIC INCSee all providers at this practice →

Internal MedicineNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

857

Unique beneficiaries

—

Total services

1,163

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 1,907 Internal Medicine providers in TN — top quintile (cohort median 791).

PRESCRIBING · PART D · 2024

Total Rx claims

7,303

Beneficiaries

—

Total drug cost

$927K

Distinct drugs

128

Brand share

21.7%

Top prescribed drugs

Atorvastatin Calcium468 claims

Amlodipine Besylate383 claims

Rosuvastatin Calcium353 claims

Levothyroxine Sodium235 claims

Pantoprazole Sodium219 claims

QUALITY · MIPS · 2024

Final MIPS score

81.9

Quality

70.3

Cost

69.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.29%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$3K

Payment records

199

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

REFERRAL NETWORK

Where William Lizarraga'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HCA HEALTH SERVICES OF TENNESSEE, INC.	307	1,334
Jason Shipman Diagnostic Radiology · Nashville, TN	21	50
John Moyers Diagnostic Radiology · Nashville, TN	20	59
NPI 1033537576	20	38
Brian Berger Diagnostic Radiology · Nashville, TN	19	51
Metropolitan Government Of Nashville & Davidson County Ambulance Service Provider · Nashville, TN	19	45
Louis Johnson Internal Medicine · Nashville, TN	18	68
VANDERBILT UNIVERSITY MEDICAL CENTER	18	41
Alan Horn Diagnostic Radiology · Edina, MN	17	34
Andrew Mcrae Cardiology · Nashville, TN	16	73
TEPPER, PATRICIA	15	38
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	15	26

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