What is Derek Loewy's specialty?

Derek Loewy (NPI 1457635963) is a Medicare-billing provider whose primary specialty is Psychologist, Clinical in San Diego, CA.

Where does Derek Loewy practice?

Derek Loewy practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1457635963.

How much does Medicare pay Derek Loewy?

Derek Loewy (NPI 1457635963) received approximately $45K in total Medicare Part B payments, serving 293 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1457635963

Derek LoewyPHD

Psychologist, ClinicalSan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

392

Unique beneficiaries

—

Total services

547

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 1,573 Psychologist, Clinical providers in CA — above median (cohort median 410).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Derek Loewy'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Poceta Sleep Medicine · La Jolla, CA	18	30
Scripps Health Clinical Laboratory · La Jolla, CA	16	43

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Scripps Health Clinical Laboratory · San Diego, CA	29	126
John Poceta Sleep Medicine · La Jolla, CA	13	23
SCRIPPS HEALTH	13	19
Scripps Health Clinical Laboratory · La Jolla, CA	11	35
CRONIN, JOHN	11	21

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