What is Katherine Merra's specialty?

Katherine Merra (NPI 1336140425) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Hingham, MA.

Where does Katherine Merra practice?

Katherine Merra practices in Hingham, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1336140425.

How much does Medicare pay Katherine Merra?

Katherine Merra (NPI 1336140425) received approximately $128K in total Medicare Part B payments, serving 500 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1336140425

Katherine MerraMD

Orthopedic SurgeryHingham, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,529

Unique beneficiaries

—

Total services

3,238

Distinct HCPCS

Medicare payment

$120K

Peer benchmark

Total Medicare services vs. 531 Orthopedic Surgery providers in MA — top quintile (cohort median 1,092).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$72

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Ibuprofen18 claims

QUALITY · MIPS · 2024

Final MIPS score

76.5

Quality

72.7

Cost

55.6

Improvement activities

40.0

Promoting interop.

92.0

Payment adjustment

0.06%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Katherine Merra'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). 3 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SOUTH SHORE HOSPITAL INC.	77	240
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	27	110
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	21	39

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SOUTH SHORE HOSPITAL INC.	61	205
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	23	42
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	22	93
Owen Mcconville Orthopedic Surgery · Hingham, MA	14	47

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