What is William Grabenstein's specialty?

William Grabenstein (NPI 1003013160) is a Medicare-billing provider whose primary specialty is Family Practice in Clarksville, TN.

Where does William Grabenstein practice?

William Grabenstein practices in Clarksville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1003013160.

How much does Medicare pay William Grabenstein?

William Grabenstein (NPI 1003013160) received approximately $56K in total Medicare Part B payments, serving 205 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events