What is Leif Hass's specialty?

Leif Hass (NPI 1528175346) is a Medicare-billing provider whose primary specialty is Hospitalist in Oakland, CA.

Where does Leif Hass practice?

Leif Hass practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1528175346.

How much does Medicare pay Leif Hass?

Leif Hass (NPI 1528175346) received approximately $68K in total Medicare Part B payments, serving 331 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528175346

Leif HassM.D.

HospitalistOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

511

Unique beneficiaries

—

Total services

819

Distinct HCPCS

Medicare payment

$67K

Peer benchmark

Total Medicare services vs. 1,917 Hospitalist providers in CA — top quintile (cohort median 446).

PRESCRIBING · PART D · 2024

Total Rx claims

139

Beneficiaries

—

Total drug cost

$13K

Distinct drugs

Brand share

29.5%

Top prescribed drugs

Amlodipine Besylate21 claims

Prednisone21 claims

Pantoprazole Sodium17 claims

Apixaban16 claims

Metoprolol Tartrate14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Leif Hass'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). 58 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kathryn Klima Diagnostic Radiology · Oakland, CA	126	590
RICH, PHILIP	98	402
Linda Gordon Diagnostic Radiology · San Jose, CA	72	305
Sangeeta Gambhir Diagnostic Radiology · Walnut Creek, CA	58	264
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	39	138
NPI 1245299643	39	119
Robert Kim Diagnostic Radiology · Walnut Creek, CA	31	108
Alvin Rivera Internal Medicine · Berkeley, CA	31	113
SUTTER EAST BAY HOSPITALS	29	117
Mitul Kadakia Interventional Cardiology · Oakland, CA	28	88
Jeeven Brah Internal Medicine · Oakland, CA	27	199
Reina Rodriguez Hospitalist · Oakland, CA	24	132

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events