PROVIDER PROFILE · NPI 1821032608

Orrin TroumMD

RheumatologySanta Monica, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,735

Unique beneficiaries

—

Total services

8,617

Distinct HCPCS

Medicare payment

$297K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,931

Beneficiaries

—

Total drug cost

$4.8M

Distinct drugs

Brand share

35.1%

Top prescribed drugs

Methotrexate Sodium281 claims

Prednisone264 claims

Hydroxychloroquine Sulfate193 claims

Celecoxib167 claims

Gabapentin144 claims

QUALITY · MIPS · 2024

Final MIPS score

90.4

Quality

96.1

Cost

72.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.65%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$264K

Payment records

451

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$176K

Consulting Fee$50K

Travel and Lodging$25K

Food and Beverage$11K

Honoraria$2K

REFERRAL NETWORK

Where Orrin Troum'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE SAINT JOHN'S HEALTH CENTER	371	1,428
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC	100	259
CRESCENDO BIOSCIENCE, INC	92	210
Unilab Corporation Clinical Laboratory · West Hills, CA	59	140
REGENTS OF THE UNIV OF CALIFORNIA	32	84
Robert Krasny Diagnostic Radiology · Santa Monica, CA	30	52
NPI 1205055472	28	94
Thomas Susko Rheumatology · Santa Monica, CA	24	46
CACHERIS, PHILLIP	23	67
Robert Khorramian Podiatry · Santa Monica, CA	22	69
Melani Shaum Hematology-Oncology · Lompoc, CA	21	188
Yuki Takasumi Pathology · Santa Monica, CA	21	61

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