What is Dennis Callen's specialty?

Dennis Callen (NPI 1790787752) is a Medicare-billing provider whose primary specialty is Family Practice in Westport, MA.

Where does Dennis Callen practice?

Dennis Callen practices in Westport, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1790787752.

How much does Medicare pay Dennis Callen?

Dennis Callen (NPI 1790787752) received approximately $143K in total Medicare Part B payments, serving 440 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790787752

Dennis CallenM.D.

Family PracticeWestport, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,094

Unique beneficiaries

—

Total services

4,910

Distinct HCPCS

Medicare payment

$138K

Peer benchmark

Total Medicare services vs. 1,348 Family Practice providers in MA — top quintile (cohort median 537).

PRESCRIBING · PART D · 2024

Total Rx claims

8,767

Beneficiaries

—

Total drug cost

$728K

Distinct drugs

139

Brand share

21.6%

Top prescribed drugs

Atorvastatin Calcium551 claims

Amlodipine Besylate353 claims

Omeprazole346 claims

Losartan Potassium333 claims

Levothyroxine Sodium328 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 Dennis Callen'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). 17 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	260	1,312
SOUTHCOAST HOSPITALS GROUP, INC	96	487
COUREY, WILLIAM	83	255
SOUTHCOAST HOSPITALS GROUP, INC	23	82
Anthony Bruzzese Diagnostic Radiology · Warwick, RI	20	55
Randy Averback Cardiology · Newton, MA	18	60
Zia Kidwai Cardiology · Fall River, MA	16	57
Maria Rumsey Cardiology · Dartmouth, MA	14	51
Same Day Surgicare Of New England, Inc. Ambulatory Surgical Center · Fall River, MA	14	39
Zeyad Morcos Nephrology · Kirkland, WA	14	30
Ravi Chander Cardiology · Fall River, MA	14	77
M. Wajid Baig Cardiology · Fall River, MA	13	70

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