What is Karl Zeff's specialty?

Karl Zeff (NPI 1861584377) is a Medicare-billing provider whose primary specialty is Psychiatry in Sacramento, CA.

Where does Karl Zeff practice?

Karl Zeff practices in Sacramento, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861584377.

How much does Medicare pay Karl Zeff?

Karl Zeff (NPI 1861584377) received approximately $78K in total Medicare Part B payments, serving 153 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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 · 2025

No data available for this provider in 2025.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events