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

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