caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1316080229

Marissa BlumMD

PRACTICETEMPLESee all providers at this practice →
RheumatologyPhiladelphia, PAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 390027
Hospital
CCN 390223
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
747
Beneficiaries
—
Total drug cost
$958K
Distinct drugs
19
Brand share
24.9%
Top prescribed drugs
Hydroxychloroquine Sulfate121 claims
Prednisone94 claims
Methotrexate Sodium63 claims
Celecoxib59 claims
Gabapentin42 claims
REFERRAL NETWORK

Where Marissa Blum'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 · 8 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
64164
Jessamyn Melnicoff
Nurse Practitioner · Philadelphia, PA
2429
City Of Philadelphia
Ambulance Service Provider · Philadelphia, PA
2345
REINUS, WILLIAM1521
NPI 11543190441221
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
TEMPLE UNIVERSITY HOSPITAL, INC101284
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
4094
JEANES HOSPITAL2054
Sayed Ali
Diagnostic Radiology · Philadelphia, PA
1835
Stephen Ling
Diagnostic Radiology · Philadelphia, PA
1421
NPI 11543190441417
BRONSTEIN, ROBERT1318
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
1126
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
115
Unique beneficiaries
—
Total services
134
Distinct HCPCS
3
Medicare payment
$10K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 267 Rheumatology providers in PA — bottom quintile (cohort median 4,116).