What is Emily Marx's specialty?

Emily Marx (NPI 1144491002) is a Medicare-billing provider whose primary specialty is Rheumatology in San Antonio, TX.

Where does Emily Marx practice?

Emily Marx practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1144491002.

How much does Medicare pay Emily Marx?

Emily Marx (NPI 1144491002) received approximately $2.8M in total Medicare Part B payments, serving 479 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144491002

Emily MarxM.D.

PRACTICERHEUMATOLOGY ASSOCIATES OF SOUTH TEXAS PLLCSee all providers at this practice →

RheumatologySan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,563

Unique beneficiaries

—

Total services

176,213

Distinct HCPCS

Medicare payment

$2.4M

Peer benchmark

Total Medicare services vs. 382 Rheumatology providers in TX — top quintile (cohort median 13,742).

PRESCRIBING · PART D · 2024

Total Rx claims

1,749

Beneficiaries

—

Total drug cost

$670K

Distinct drugs

Brand share

15.0%

Top prescribed drugs

Hydroxychloroquine Sulfate446 claims

Prednisone147 claims

Gabapentin118 claims

Methotrexate Sodium107 claims

Methylprednisolone101 claims

QUALITY · MIPS · 2024

Final MIPS score

73.1

Quality

83.3

Cost

35.3

Improvement activities

40.0

Promoting interop.

90.0

Payment adjustment

-0.23%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

113

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 450108

Hospital

REFERRAL NETWORK

Where Emily 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). 3 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CRESCENDO BIOSCIENCE, INC	25	33
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	22	42
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	16	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Irving, TX	143	482
CRESCENDO BIOSCIENCE, INC	69	178
Laboratory Corporation Of America Clinical Laboratory · Houston, TX	26	82
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	24	51
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	15	27
VHS SAN ANTONIO PARTNERS LLC	13	36
SHRINER, SANDRA	11	66

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