PROVIDER PROFILE · NPI 1790766798

Martin ArraizM.D.

PRACTICEBRUCE E WITMER MD PCSee all providers at this practice →

Internal MedicineReno, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

787

Unique beneficiaries

—

Total services

6,263

Distinct HCPCS

Medicare payment

$121K

Peer benchmark

Total Medicare services vs. 818 Internal Medicine providers in NV — top quintile (cohort median 684).

PRESCRIBING · PART D · 2024

Total Rx claims

158

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

16.5%

Top prescribed drugs

Gabapentin46 claims

Tramadol Hcl22 claims

Meloxicam19 claims

Nortriptyline Hcl19 claims

Hydrocodone/Acetaminophen14 claims

QUALITY · MIPS · 2024

Final MIPS score

90.9

Quality

90.0

Cost

82.9

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.67%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$252

Payment records

By payment type

Food and Beverage$252

REFERRAL NETWORK

Where Martin Arraiz'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RENOWN REGIONAL MEDICAL CENTER	260	786
Alexander Vogel Diagnostic Radiology · Reno, NV	50	125
Anthony Bruno Diagnostic Radiology · Reno, NV	48	83
Mark Berner Diagnostic Radiology · Reno, NV	45	112
Rajesh Rangaswamy Diagnostic Radiology · Reno, NV	43	97
Timothy Sherry Diagnostic Radiology · Reno, NV	42	109
WARD, MICHAEL	34	52
Catherine Smith Diagnostic Radiology · Reno, NV	33	83
Ronald Swanger Diagnostic Radiology · Reno, NV	32	40
George Krakora Diagnostic Radiology · Reno, NV	31	61
Julie Locken Diagnostic Radiology · Reno, NV	30	60
PARLASCA, ROBERT	27	72

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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