What is John Marquez's specialty?

John Marquez (NPI 1023153723) is a Medicare-billing provider whose primary specialty is Physician Assistant in Englewood, CO.

Where does John Marquez practice?

John Marquez practices in Englewood, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1023153723.

How much does Medicare pay John Marquez?

John Marquez (NPI 1023153723) received approximately $39K in total Medicare Part B payments, serving 124 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1023153723

John MarquezPAC

Physician AssistantEnglewood, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

189

Unique beneficiaries

—

Total services

405

Distinct HCPCS

Medicare payment

$29K

Peer benchmark

Total Medicare services vs. 2,798 Physician Assistant providers in CO — above median (cohort median 235).

PRESCRIBING · PART D · 2024

Total Rx claims

2,599

Beneficiaries

—

Total drug cost

$234K

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Lisinopril132 claims

Oxycodone Hcl126 claims

Amlodipine Besylate116 claims

Atorvastatin Calcium99 claims

Levothyroxine Sodium83 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

110

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 067474

Home health agency

REFERRAL NETWORK

Where John Marquez'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). 5 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Christopher Horton Family Practice · Denver, CO	28	66
Mark Talmage Family Practice · Vona, CO	27	142
New Schryver Llc Clinical Laboratory · Denver, CO	17	60
Rachel Rackler Family Practice · Aurora, CO	17	38
MANOR CARE OF DENVER CO, LLC	12	38

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Rachel Rackler Family Practice · Aurora, CO	33	112
New Schryver Llc Clinical Laboratory · Denver, CO	32	95
Christopher Horton Family Practice · Denver, CO	32	71
Mark Talmage Family Practice · Vona, CO	25	103
Anne-Marie Erickson Physician Assistant · Wheat Ridge, CO	22	35
SCHRYVER MEDICAL SALES AND MARKETING LLC	18	71

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