What is Don Callens's specialty?

Don Callens (NPI 1528285079) is a Medicare-billing provider whose primary specialty is Family Practice in Liberty, TX.

Where does Don Callens practice?

Don Callens practices in Liberty, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1528285079.

How much does Medicare pay Don Callens?

Don Callens (NPI 1528285079) received approximately $40K in total Medicare Part B payments, serving 446 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528285079

Don CallensMD

Family PracticeLiberty, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,030

Unique beneficiaries

—

Total services

1,895

Distinct HCPCS

Medicare payment

$36K

Peer benchmark

Total Medicare services vs. 6,385 Family Practice providers in TX — top quintile (cohort median 567).

PRESCRIBING · PART D · 2024

Total Rx claims

16,879

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

193

Brand share

21.4%

Top prescribed drugs

Atorvastatin Calcium882 claims

Levothyroxine Sodium723 claims

Pantoprazole Sodium534 claims

Lisinopril517 claims

Gabapentin509 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$14

Payment records

By payment type

Food and Beverage$14

Top paying entities

Food and Beverage$14

REFERRAL NETWORK

Where Don Callens'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LIBERTY COUNTY HOSPITAL DISTRICT NO 1	191	1,435
ANGELS ABOVE US, INC.	69	357
Robert Wells Diagnostic Radiology · Milwaukee, WI	58	194
Brian Lundeen Diagnostic Radiology · St Francis, WI	47	136
LIBERTY COUNTY EMERGENCY MEDICAL SERVICES INC	45	162
Robert Hardie Diagnostic Radiology · Greenfield, WI	42	135
MAGNOLIA PLACE HEALTH CARE L L P	41	340
Oliver Hunter Diagnostic Radiology · Baytown, TX	31	161
ALBUERNE, LUIS	31	87
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	30	75
David Hinke Diagnostic Radiology · St Francis, WI	29	100
LUSKY TABIN, MELISSA	20	456

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