What is Nathaniel Merrell's specialty?

Nathaniel Merrell (NPI 1922162262) is a Medicare-billing provider whose primary specialty is General Surgery in Leominster, MA.

Where does Nathaniel Merrell practice?

Nathaniel Merrell practices in Leominster, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1922162262.

How much does Medicare pay Nathaniel Merrell?

Nathaniel Merrell (NPI 1922162262) received approximately $55K in total Medicare Part B payments, serving 226 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922162262

Nathaniel MerrellM.D.

PRACTICER. LESLIE SHELTON, M.D., P.C.See all providers at this practice →

General SurgeryLeominster, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

251

Unique beneficiaries

—

Total services

281

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 507 General Surgery providers in MA — above median (cohort median 312).

PRESCRIBING · PART D · 2024

Total Rx claims

103

Beneficiaries

—

Total drug cost

$408

Distinct drugs

Brand share

61.2%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen63 claims

Ibuprofen29 claims

Hydrocortisone11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Nathaniel Merrell'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UMASS MEMORIAL HEALTHALLIANCE CLINTON HOSPITAL INC	149	606
Rodrick Williams Diagnostic Radiology · Easthampton, MA	44	111
Patricia Cross Diagnostic Radiology · Leominster, MA	29	73
OWENS, CHRISTOPHER	18	49
Peter Wilson Cardiology · Leominster, MA	15	42
Thomas Cahn Dermatology · Jupiter, FL	15	45
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	15	39
William Friedman Family Practice · Westminster, MA	14	44
Dionyssios Robotis Cardiology · Leominster, MA	13	20

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