What is Johanna Rosenthal's specialty?

Johanna Rosenthal (NPI 1881741247) is a Medicare-billing provider whose primary specialty is Neurology in Fullerton, CA.

Where does Johanna Rosenthal practice?

Johanna Rosenthal practices in Fullerton, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1881741247.

How much does Medicare pay Johanna Rosenthal?

Johanna Rosenthal (NPI 1881741247) received approximately $35K in total Medicare Part B payments, serving 132 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881741247

Johanna RosenthalM.D.

PRACTICESOPHIA KANGSee all providers at this practice →

NeurologyFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

174

Unique beneficiaries

—

Total services

255

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — below median (cohort median 581).

PRESCRIBING · PART D · 2024

Total Rx claims

117

Beneficiaries

—

Total drug cost

$458K

Distinct drugs

Brand share

78.6%

Top prescribed drugs

Natalizumab26 claims

Immun Glob G(Igg)/Pro/Iga 0-5015 claims

Methylprednisolone Sod Succ13 claims

Tolterodine Tartrate13 claims

Baclofen13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$942

Payment records

By payment type

Food and Beverage$792

Consulting Fee$150

Top paying entities

Food and Beverage$792

Consulting Fee$150

REFERRAL NETWORK

Where Johanna Rosenthal'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JUDE HOSPITAL INC	61	276
Danh Nguyen Diagnostic Radiology · Riverside, CA	41	154
Unilab Corporation Clinical Laboratory · West Hills, CA	31	145
Hao Ngo Diagnostic Radiology · Fullerton, CA	30	104
Bradley Jackson Diagnostic Radiology · Fullerton, CA	30	101
Lutfi Sayyur Internal Medicine · Fullerton, CA	25	145
Arman Forouzannia Diagnostic Radiology · Lynnwood, WA	24	70
STAMBUK, EDGAR	19	49
Victor Lee Pathology · Oceanside, CA	19	38
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	17	37
Ramesh Rathod Interventional Cardiology · Fullerton, CA	17	49
Pauline Ho Infectious Disease · Placentia, CA	14	44

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