What is Jana Portnow's specialty?

Jana Portnow (NPI 1679680458) is a Medicare-billing provider whose primary specialty is Medical Oncology in Duarte, CA.

Where does Jana Portnow practice?

Jana Portnow practices in Duarte, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1679680458.

How much does Medicare pay Jana Portnow?

Jana Portnow (NPI 1679680458) received approximately $27K in total Medicare Part B payments, serving 90 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679680458

Jana PortnowMD

PRACTICECITY OF HOPESee all providers at this practice →

Medical OncologyDuarte, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

113

Unique beneficiaries

—

Total services

188

Distinct HCPCS

Medicare payment

$23K

Peer benchmark

Total Medicare services vs. 268 Medical Oncology providers in CA — bottom quintile (cohort median 1,130).

PRESCRIBING · PART D · 2024

Total Rx claims

144

Beneficiaries

—

Total drug cost

$231K

Distinct drugs

Brand share

43.8%

Top prescribed drugs

0.9 % Sodium Chloride31 claims

Dexamethasone27 claims

Levetiracetam20 claims

Ondansetron Hcl19 claims

Sulfamethoxazole/Trimethoprim18 claims

QUALITY · MIPS · 2024

Final MIPS score

92.8

Quality

78.5

Cost

70.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.75%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Jana Portnow'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Julie Ressler Diagnostic Radiology · Duarte, CA	25	117
Jimmie Wong Diagnostic Radiology · Duarte, CA	24	78
Ko Yamada Cardiology · Los Angeles, CA	21	99
MARX, HOWARD	21	67
Behnam Badie Neurosurgery · Arcadia, CA	15	248
Massimo D'apuzzo Pathology · Duarte, CA	15	57
Unilab Corporation Clinical Laboratory · West Hills, CA	11	53

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