What is Jon Portnoff's specialty?

Jon Portnoff (NPI 1609874445) is a Medicare-billing provider whose primary specialty is Cardiology in Ukiah, CA.

Where does Jon Portnoff practice?

Jon Portnoff practices in Ukiah, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1609874445.

How much does Medicare pay Jon Portnoff?

Jon Portnoff (NPI 1609874445) received approximately $144K in total Medicare Part B payments, serving 1,039 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609874445

Jon PortnoffM.D.

PRACTICEADVENTIST HEALTH PHYSICIANS NETWORKSee all providers at this practice →

CardiologyUkiah, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,279

Unique beneficiaries

—

Total services

3,115

Distinct HCPCS

Medicare payment

$140K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

3,749

Beneficiaries

—

Total drug cost

$864K

Distinct drugs

Brand share

32.0%

Top prescribed drugs

Sacubitril/Valsartan319 claims

Apixaban319 claims

Nebivolol Hcl310 claims

Atorvastatin Calcium285 claims

Amlodipine Besylate212 claims

QUALITY · MIPS · 2024

Final MIPS score

88.2

Quality

82.6

Cost

69.5

Improvement activities

40.0

Promoting interop.

93.0

Payment adjustment

0.55%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$134

Payment records

By payment type

Food and Beverage$134

Top paying entities

Food and Beverage$134

REFERRAL NETWORK

Where Jon Portnoff'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). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UKIAH ADVENTIST HOSPITAL	489	2,332
TAMANAHA, PHILIP	164	352
WILLITS HOSPITAL INC.	65	227
Leslee Devies Hospitalist · Redding, CA	51	157
Guy Teran Internal Medicine · Ukiah, CA	49	234
Walter Bortz Internal Medicine · Marrero, LA	45	138
Falck Northern California Corp. Ambulance Service Provider · Hayward, CA	44	117
Monica Divakaruni Cardiology · Saint Helena, CA	38	85
Gary Fausone Emergency Medicine · Ukiah, CA	36	98
Robert Rushton Family Practice · Ukiah, CA	35	201
Alejandro Casillas Emergency Medicine · Ukiah, CA	33	109
Mary Newkirk Internal Medicine · Saint Helena, CA	32	97

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