PROVIDER PROFILE · NPI 1659303873

Greg AngstreichMD

PRACTICEORANGE COAST ONCOLOGY HEMATOLOGY MEDICAL ASSOCIATESSee all providers at this practice →

Hematology-OncologyNewport Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,183

Unique beneficiaries

—

Total services

2,827

Distinct HCPCS

Medicare payment

$201K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — below median (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

164

Beneficiaries

—

Total drug cost

$185K

Distinct drugs

Brand share

45.1%

Top prescribed drugs

Prednisone37 claims

Apixaban34 claims

Anastrozole16 claims

Venlafaxine Hcl15 claims

Hydrocodone/Acetaminophen14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$101

Payment records

By payment type

Food and Beverage$101

REFERRAL NETWORK

Where Greg Angstreich'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). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
George Semeniuk Hematology-Oncology · Newport Beach, CA	114	1,324
Unilab Corporation Clinical Laboratory · West Hills, CA	88	413
Peter Giuliano Diagnostic Radiology · Newport Beach, CA	68	221
Scott Williams Diagnostic Radiology · Stanford, CA	38	196
William Vandalsem Diagnostic Radiology · Newport Beach, CA	38	148
Steven Oglevie Diagnostic Radiology · Beverly Hills, CA	33	267
Karence Chan Diagnostic Radiology · Newport Beach, CA	31	113
Winston Whitney Diagnostic Radiology · Newport Beach, CA	31	132
Shaya Ghazinoor Diagnostic Radiology · Newport Beach, CA	29	125
John Lieu Diagnostic Radiology · Palo Alto, CA	29	107
INTERNIST LABORATORY	27	118
Marnie Kremer Prill Diagnostic Radiology · Newport Beach, CA	26	81

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