What is Douglas Marx's specialty?

Douglas Marx (NPI 1013177682) is a Medicare-billing provider whose primary specialty is Ophthalmology in Salt Lake City, UT.

Where does Douglas Marx practice?

Douglas Marx practices in Salt Lake City, UT, based on the location reported in the CMS Medicare provider datasets for NPI 1013177682.

How much does Medicare pay Douglas Marx?

Douglas Marx (NPI 1013177682) received approximately $96K in total Medicare Part B payments, serving 194 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1013177682

Douglas MarxMD

OphthalmologySalt Lake City, UTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

504

Unique beneficiaries

—

Total services

601

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 168 Ophthalmology providers in UT — above median (cohort median 1,707).

PRESCRIBING · PART D · 2024

Total Rx claims

163

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

92.6%

Top prescribed drugs

Erythromycin Base98 claims

Neomycin/Polymyxin B/Dexametha53 claims

Dapsone12 claims

QUALITY · MIPS · 2024

Final MIPS score

94.4

Quality

88.8

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.82%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$22K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20K

Travel and Lodging$2K

Food and Beverage$447

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20K

Travel and Lodging$2K

Food and Beverage$447

REFERRAL NETWORK

Where Douglas Marx'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 · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	20	38
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	11	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CHI ST. LUKE'S HEALTH BAYLOR COLLEGE OF MEDICINE MEDICAL CENTER	34	83
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	23	39
THE METHODIST HOSPITAL	22	52
Baylor Pathology Consultants Clinical Laboratory · Houston, TX	15	28
HARRIS COUNTY HOSPITAL DISTRICT	14	104
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	14	19
MEMORIAL HERMANN HEALTH SYSTEM	13	21
Laboratory Corporation Of America Clinical Laboratory · Houston, TX	13	16
Petros Carvounis Ophthalmology · Houston, TX	11	22
MORETTO, MATTHEW	11	26
Van Simmons Certified Registered Nurse Anesthetist (CRNA) · Houston, TX	11	28

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