What is Crystal Shirreffs's specialty?

Crystal Shirreffs (NPI 1477872596) is a Medicare-billing provider whose primary specialty is Physician Assistant in Harbor City, CA.

Where does Crystal Shirreffs practice?

Crystal Shirreffs practices in Harbor City, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1477872596.

How much does Medicare pay Crystal Shirreffs?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Crystal Shirreffs (NPI 1477872596) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1477872596

Crystal Shirreffs

Physician AssistantHarbor City, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$340

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Tramadol Hcl31 claims

Ibuprofen19 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 Crystal Shirreffs'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	15	37

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOAG MEMORIAL HOSPITAL PRESBYTERIAN	39	73
John Brown Gynecological Oncology · Newport Beach, CA	24	103
CALIFORNIA LABORATORY SCIENCES LLC	19	43
Unilab Corporation Clinical Laboratory · West Hills, CA	15	34

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