What is William Parrish's specialty?

William Parrish (NPI 1902860760) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Lancaster, PA.

Where does William Parrish practice?

William Parrish practices in Lancaster, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1902860760.

How much does Medicare pay William Parrish?

William Parrish (NPI 1902860760) received approximately $11K in total Medicare Part B payments, serving 101 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902860760

William ParrishMD

Orthopedic SurgeryLancaster, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

147

Unique beneficiaries

—

Total services

331

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 974 Orthopedic Surgery providers in PA — below median (cohort median 1,699).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

88.6

Quality

84.0

Cost

78.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.57%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where William Parrish'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ROSE CITY HMA LLC	181	769
Francis Horner Physician Assistant · Lancaster, PA	115	327
LANCASTER GENERAL HOSPITAL	105	377
Linda Lee Certified Clinical Nurse Specialist · Lancaster, PA	37	108
Robert Springer Diagnostic Radiology · Lancaster, PA	28	64
Kartik Shah Diagnostic Radiology · Philadelphia, PA	24	46
Bertram Johnson Cardiology · Lancaster, PA	23	100
UPDEGRAFF, ADAM	22	52
Palak Mehta Internal Medicine · Ephrata, PA	19	72
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	19	47
Seth Baublitz Orthopedic Surgery · Lancaster, PA	18	38
Tyrone Girdharry Anesthesiology · Lititz, PA	16	102

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