What is Gary Maerz's specialty?

Gary Maerz (NPI 1245218247) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Englewood, CO.

Where does Gary Maerz practice?

Gary Maerz practices in Englewood, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1245218247.

How much does Medicare pay Gary Maerz?

Gary Maerz (NPI 1245218247) received approximately $5K in total Medicare Part B payments, serving 13 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245218247

Gary MaerzMD

PRACTICECRAIG HOSPITALSee all providers at this practice →

Physical Medicine and RehabilitationEnglewood, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$4K

Peer benchmark

Total Medicare services vs. 194 Physical Medicine and Rehabilitation providers in CO — bottom quintile (cohort median 1,139).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Gary Maerz'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 · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WEINTRAUB, ALAN	17	47
Jeffrey Berliner Physical Medicine and Rehabilitation · Englewood, CO	15	52

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Michael Makley Neurology · Englewood, CO	15	31
BALAZY, THOMAS	13	62

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