What is Michael Kelfer's specialty?

Michael Kelfer (NPI 1306810296) is a Medicare-billing provider whose primary specialty is Gastroenterology in Auburn, MA.

Where does Michael Kelfer practice?

Michael Kelfer practices in Auburn, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1306810296.

How much does Medicare pay Michael Kelfer?

Michael Kelfer (NPI 1306810296) received approximately $57K in total Medicare Part B payments, serving 347 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1306810296

Michael KelferMD

PRACTICERELIANT MEDICAL GROUP, INCSee all providers at this practice →

GastroenterologyAuburn, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

503

Unique beneficiaries

—

Total services

509

Distinct HCPCS

Medicare payment

$56K

Peer benchmark

Total Medicare services vs. 483 Gastroenterology providers in MA — below median (cohort median 638).

PRESCRIBING · PART D · 2024

Total Rx claims

1,116

Beneficiaries

—

Total drug cost

$21K

Distinct drugs

Brand share

63.4%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl512 claims

Omeprazole348 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl76 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl75 claims

Pantoprazole Sodium61 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 Michael Kelfer'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). 2 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	175	373
QUEST DIAGNOSTICS MASSACHUSETTS LLC	18	32

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Reliant Medical Group The Endoscopy Center, Llc Ambulatory Surgical Center · Auburn, MA	220	233
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	100	233
VHS ACQUISITION SUBSIDIARY NUMBER 7 INC	71	132
UMASS MEMORIAL MEDICAL CENTER, INC.	15	21
QUEST DIAGNOSTICS MASSACHUSETTS LLC	14	38
Veronica Rusu Family Practice · Westborough, MA	14	31
FELDHAUS, LOUISE	11	14

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