What is Joel Marc Rubio's specialty?

Joel Marc Rubio (NPI 1639289499) is a Medicare-billing provider whose primary specialty is Internal Medicine in Tamuning, GU.

Where does Joel Marc Rubio practice?

Joel Marc Rubio practices in Tamuning, GU, based on the location reported in the CMS Medicare provider datasets for NPI 1639289499.

How much does Medicare pay Joel Marc Rubio?

Joel Marc Rubio (NPI 1639289499) received approximately $139K in total Medicare Part B payments, serving 335 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639289499

Joel Marc RubioMD

Internal MedicineTamuning, GUI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

902

Unique beneficiaries

—

Total services

2,159

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 34 Internal Medicine providers in GU — top quintile (cohort median 795).

PRESCRIBING · PART D · 2024

Total Rx claims

846

Beneficiaries

—

Total drug cost

$215K

Distinct drugs

Brand share

50.0%

Top prescribed drugs

Levothyroxine Sodium102 claims

Dulaglutide65 claims

Insulin Glargine,hum.Rec.Anlog60 claims

Empagliflozin52 claims

Pioglitazone Hcl48 claims

QUALITY · MIPS · 2024

Final MIPS score

22.3

Quality

0.0

Cost

74.3

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.32%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Joel Marc Rubio'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	182	1,389
GUAM MEMORIAL HOSPITAL	67	198
LABTECH, INC.	40	103
SCHNEIDER, MICHAEL	33	126
Michael Robinson Family Practice · Murrieta, CA	32	124
Vincent Lizama Diagnostic Radiology · Tamuning, GU	29	67
Faraz Ouhadi Internal Medicine · Tamuning, GU	26	79
Unknown Mallikarjunappa Diagnostic Radiology · Tamuning, GU	24	41
Nathaniel Berg Diagnostic Radiology · Tamuning, GU	20	46
Ronald Kobayashi General Surgery · Tamuning, GU	18	62
James Nozaki Family Practice · Tamuning, GU	18	66
Frank Reda Diagnostic Radiology · Naples, FL	16	45

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events