What is Kiefer Greenspan's specialty?

Kiefer Greenspan (NPI 1629573464) is a Medicare-billing provider whose primary specialty is Psychiatry in Irvine, CA.

Where does Kiefer Greenspan practice?

Kiefer Greenspan practices in Irvine, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1629573464.

How much does Medicare pay Kiefer Greenspan?

Kiefer Greenspan (NPI 1629573464) received approximately $236K in total Medicare Part B payments, serving 198 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629573464

Kiefer Greenspan

PsychiatryIrvine, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

433

Unique beneficiaries

—

Total services

2,720

Distinct HCPCS

Medicare payment

$207K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,255

Beneficiaries

—

Total drug cost

$75K

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Trazodone Hcl97 claims

Bupropion Hcl96 claims

Escitalopram Oxalate89 claims

Sertraline Hcl82 claims

Quetiapine Fumarate69 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

106

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050069

Hospital

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