What is William Merriam's specialty?

William Merriam (NPI 1912043258) is a Medicare-billing provider whose primary specialty is Urology in West Chester, PA.

Where does William Merriam practice?

William Merriam practices in West Chester, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1912043258.

How much does Medicare pay William Merriam?

William Merriam (NPI 1912043258) received approximately $259K in total Medicare Part B payments, serving 1,147 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912043258

William MerriamM.D.

UrologyWest Chester, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,680

Unique beneficiaries

—

Total services

4,919

Distinct HCPCS

Medicare payment

$216K

Peer benchmark

Total Medicare services vs. 416 Urology providers in PA — top quintile (cohort median 1,556).

PRESCRIBING · PART D · 2024

Total Rx claims

2,372

Beneficiaries

—

Total drug cost

$2.2M

Distinct drugs

Brand share

27.9%

Top prescribed drugs

Tamsulosin Hcl857 claims

Finasteride433 claims

Relugolix162 claims

Silodosin123 claims

Alfuzosin Hcl86 claims

QUALITY · MIPS · 2024

Final MIPS score

90.1

Quality

6.0

Cost

67.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.64%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where William Merriam'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). 69 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAIN LINE HOSPITALS, INC.	240	695
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	223	566
CHESTER COUNTY HOSPITAL	183	710
COATESVILLE HOSPITAL CORPORATION	147	528
Ilene Wong Urology · West Chester, PA	71	178
Donald Andersen Urology · West Chester, PA	71	139
Barry Smoger Diagnostic Radiology · Philadelphia, PA	57	144
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	56	116
Jeffrey Hare Diagnostic Radiology · Edina, MN	51	101
William Barry Diagnostic Radiology · West Chester, PA	38	65
Alexander Shpilman Internal Medicine · Thorndale, PA	33	63
Robert Pinsk Diagnostic Radiology · Paoli, PA	31	51

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