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PROVIDER PROFILE · NPI 1891868337

Darla Oak

PRACTICEJHA GERIATRIC SERVICESSee all providers at this practice →
Nurse PractitionerReseda, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
353
Unique beneficiaries
—
Total services
1,083
Distinct HCPCS
3
Medicare payment
$50K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,685 Nurse Practitioner providers in CA — top quintile (cohort median 222).
REFERRAL NETWORK

Where Darla Oak'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). 26 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GRANCELL VILLAGE OF THE LOS ANGELES JEWISH HOME FOR THE AGING113222
Cordelia Rose Onyekwe
Nurse Practitioner · Long Beach, CA
93232
Mehdi Derambakhsh
Dermatology · Encino, CA
65148
GNANADESIGAN, NALLINI57192
GRANCELL VILLAGE OF THE LOS ANGELES JEWISH HOME FOR THE AGING4161
LIBERTY AMBULANCE LLC3248
Keyvan Shirazi
Internal Medicine · Encino, CA
3184
RAJA, REKHA2751
Amy Polverini
Surgical Oncology · South Pasadena, CA
27148
Nechemia Peleg
Pulmonary Disease · Sherman Oaks, CA
2541
Theodore S. Feit, M.D., Inc.
Independent Diagnostic Testing Facility (IDTF) · North Hollywood, CA
2337
Alan Fozailoff
Nephrology · Tarzana, CA
1937
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.
PRESCRIBING · PART D · 2024
Total Rx claims
764
Beneficiaries
—
Total drug cost
$31K
Distinct drugs
30
Brand share
19.2%
Top prescribed drugs
Gabapentin150 claims
Levothyroxine Sodium89 claims
Furosemide46 claims
Insulin Glargine,hum.Rec.Anlog37 claims
Apixaban34 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.