What is William Walker's specialty?

William Walker (NPI 1700889904) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Anderson, SC.

Where does William Walker practice?

William Walker practices in Anderson, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1700889904.

How much does Medicare pay William Walker?

William Walker (NPI 1700889904) received approximately $53K in total Medicare Part B payments, serving 228 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700889904

William WalkerMD

PRACTICECAROLINA PULMONARY AND SLEEPSee all providers at this practice →

Pulmonary DiseaseAnderson, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

394

Unique beneficiaries

—

Total services

714

Distinct HCPCS

Medicare payment

$51K

Peer benchmark

Total Medicare services vs. 159 Pulmonary Disease providers in SC — below median (cohort median 1,085).

PRESCRIBING · PART D · 2024

Total Rx claims

1,099

Beneficiaries

—

Total drug cost

$549K

Distinct drugs

Brand share

62.1%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter181 claims

Albuterol Sulfate149 claims

Prednisone78 claims

Budesonide/Glycopyr/Formoterol67 claims

Azithromycin56 claims

QUALITY · MIPS · 2024

Final MIPS score

94.7

Quality

89.4

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.83%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$86

Payment records

By payment type

Food and Beverage$86

Top paying entities

Food and Beverage$86

REFERRAL NETWORK

Where William Walker'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). 59 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ANMED HEALTH	414	2,575
Monica Grier Diagnostic Radiology · Anderson, SC	140	698
NPI 1407906035	122	557
Veena Mathur Diagnostic Radiology · Anderson, SC	92	363
Carrie Cousar Diagnostic Radiology · Anderson, SC	85	385
Abhijit Raval Internal Medicine · Anderson, SC	79	772
Stephen Hand Pulmonary Disease · Anderson, SC	77	400
Kyle Bryans Diagnostic Radiology · Anderson, SC	59	193
Syed Malik Pulmonary Disease · Anderson, SC	59	297
Lakshmangowda Maragondanahalli Internal Medicine · Anderson, SC	54	496
Dineshkumar Parmar Internal Medicine · Anderson, SC	50	302
YON, JOSEPH	49	146

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