PROVIDER PROFILE · NPI 1649350786

Catherine DiamondMD

Internal MedicineOrange, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

253

Unique beneficiaries

—

Total services

442

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

4,769

Beneficiaries

—

Total drug cost

$5.3M

Distinct drugs

115

Brand share

46.6%

Top prescribed drugs

Bictegrav/Emtricit/Tenofov Ala549 claims

Atorvastatin Calcium285 claims

Gabapentin135 claims

Darunavir/Cob/Emtri/Tenof Alaf133 claims

Amlodipine Besylate131 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

83.7

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Catherine Diamond'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Byron J Allen Internal Medicine · Orange, CA	30	149
Hiroshi Yoshioka Diagnostic Radiology · Boston, MA	19	60
Marisa Tseng Diagnostic Radiology · Duarte, CA	17	79
Unilab Corporation Clinical Laboratory · West Hills, CA	16	66
Mayil Krishnam Diagnostic Radiology · Stanford, CA	12	31
Teferi Mitiku Internal Medicine · Orange, CA	11	63

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