PROVIDER PROFILE · NPI 1003013160

William GrabensteinM.D.

Family PracticeClarksville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

727

Unique beneficiaries

—

Total services

1,634

Distinct HCPCS

Medicare payment

$54K

Peer benchmark

Total Medicare services vs. 1,574 Family Practice providers in TN — above median (cohort median 965).

PRESCRIBING · PART D · 2024

Total Rx claims

5,538

Beneficiaries

—

Total drug cost

$210K

Distinct drugs

106

Brand share

20.5%

Top prescribed drugs

Levothyroxine Sodium252 claims

Prednisone224 claims

Atorvastatin Calcium223 claims

Alprazolam203 claims

Azithromycin151 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Home health agency

Hospital

Hospital

REFERRAL NETWORK

Where William Grabenstein'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). 4 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CLARKSVILLE HEALTH SYSTEM GP	42	83
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	30	107
VANDERBILT UNIVERSITY MEDICAL CENTER	14	35
Daniel Starnes Diagnostic Radiology · Nashville, TN	11	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CLARKSVILLE HEALTH SYSTEM GP	60	178
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	57	209
Gina Wyatt Diagnostic Radiology · Nashville, TN	24	57
HONG, DOUG	15	26
Loy Forsythe Diagnostic Radiology · Clarksville, TN	14	33
SAINT THOMAS WEST HOSPITAL	14	30
VANDERBILT UNIVERSITY MEDICAL CENTER	12	38
Barry Allen Diagnostic Radiology · Nashville, TN	12	26
Rohit Patel Medical Oncology · Clarksville, TN	12	52
Daniel Starnes Diagnostic Radiology · Nashville, TN	12	22

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