PROVIDER PROFILE · NPI 1235278250

Natalia Chavez StewartM.D.

RheumatologyRiverside, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

599

Unique beneficiaries

—

Total services

3,407

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — above median (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

2,387

Beneficiaries

—

Total drug cost

$2.4M

Distinct drugs

Brand share

27.3%

Top prescribed drugs

Hydroxychloroquine Sulfate449 claims

Methotrexate Sodium250 claims

Gabapentin227 claims

Upadacitinib141 claims

Diclofenac Sodium117 claims

QUALITY · MIPS · 2024

Final MIPS score

65.0

Quality

66.5

Cost

78.7

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-1.20%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

194

By payment type

Food and Beverage$4K

Top paying entities

Food and Beverage$4K

REFERRAL NETWORK

Where Natalia Chavez Stewart'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRESBYTERIAN HEALTHCARE SERVICES	115	714
PRESBYTERIAN HEALTHCARE SERVICES	89	237
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC	39	289
Unilab Corporation Clinical Laboratory · West Hills, CA	31	220
SENAATI, SASSAN	15	167

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PRESBYTERIAN HEALTHCARE SERVICES	53	305
Unilab Corporation Clinical Laboratory · West Hills, CA	35	328
PRESBYTERIAN HEALTHCARE SERVICES	22	57
Al Franco Rheumatology · Riverside, CA	12	163

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