What is Calvert Warren's specialty?

Calvert Warren (NPI 1083727846) is a Medicare-billing provider whose primary specialty is Psychiatry & Neurology in Greenville, SC.

Where does Calvert Warren practice?

Calvert Warren practices in Greenville, SC, based on the location reported in the CMS Medicare provider datasets for NPI 1083727846.

How much does Medicare pay Calvert Warren?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Calvert Warren (NPI 1083727846) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1083727846

Calvert Warren

Psychiatry & NeurologyGreenville, SCI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

245

Beneficiaries

—

Total drug cost

$127K

Distinct drugs

Brand share

21.6%

Top prescribed drugs

Paliperidone Palmitate35 claims

Hydroxyzine Hcl31 claims

Olanzapine28 claims

Lorazepam27 claims

Metformin Hcl23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$34

Payment records

By payment type

Food and Beverage$34

Top paying entities

Food and Beverage$34

REFERRAL NETWORK

Where Calvert Warren'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). 1 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GREENVILLE HEALTH SYSTEM	25	48

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GREENVILLE HEALTH SYSTEM	29	56
Louis Dolinar Psychiatry · Greenville, SC	16	278
County Of Greenville Ambulance Service Provider · Greenville, SC	15	20
Edmund Parsons Psychiatry · Greenville, SC	14	200
HARRIS, WADE	11	32

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