PROVIDER PROFILE · NPI 1861584377

Karl ZeffM.D.

PRACTICEDIGNITY HEALTH MEDICAL FOUNDATIONSee all providers at this practice →

PsychiatrySacramento, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

620

Unique beneficiaries

—

Total services

1,195

Distinct HCPCS

Medicare payment

$74K

Peer benchmark

Total Medicare services vs. 2,213 Psychiatry providers in CA — top quintile (cohort median 203).

PRESCRIBING · PART D · 2024

Total Rx claims

5,524

Beneficiaries

—

Total drug cost

$451K

Distinct drugs

Brand share

22.3%

Top prescribed drugs

Quetiapine Fumarate474 claims

Bupropion Hcl401 claims

Trazodone Hcl329 claims

Aripiprazole267 claims

Lamotrigine256 claims

QUALITY · MIPS · 2024

Final MIPS score

99.6

Quality

86.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.04%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Karl Zeff'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
DIGNITY HEALTH	23	31
DIGNITY COMMUNITY CARE	19	21
Andrew Lee Diagnostic Radiology · Sacramento, CA	15	21
Andrew Linn Interventional Pain Management · Sacramento, CA	12	15
HAINES, PHILIP	11	19
Sufen Chiu Psychiatry · Sacramento, CA	11	31

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