PROVIDER PROFILE · NPI 1952405326

Jonathan HemphillMD

Interventional CardiologyCarmichael, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,211

Unique beneficiaries

—

Total services

3,988

Distinct HCPCS

Medicare payment

$229K

Peer benchmark

Total Medicare services vs. 324 Interventional Cardiology providers in CA — above median (cohort median 2,656).

PRESCRIBING · PART D · 2024

Total Rx claims

6,069

Beneficiaries

—

Total drug cost

$2.1M

Distinct drugs

Brand share

30.0%

Top prescribed drugs

Apixaban597 claims

Atorvastatin Calcium535 claims

Metoprolol Succinate373 claims

Amlodipine Besylate345 claims

Losartan Potassium309 claims

QUALITY · MIPS · 2024

Final MIPS score

99.6

Quality

86.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.04%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$63

Payment records

By payment type

Food and Beverage$63

REFERRAL NETWORK

Where Jonathan Hemphill'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). 69 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FISHER, DANIEL	160	431
Stephen Morrison Internal Medicine · Carmichael, CA	87	177
Nick Majetich Interventional Cardiology · Carmichael, CA	73	168
Maria Parayno Nuclear Medicine · Duarte, CA	67	115
Scott Baron Interventional Cardiology · Carmichael, CA	63	291
Andrew Lee Diagnostic Radiology · Sacramento, CA	56	123
HAINES, PHILIP	55	153
Timothy Lee Cardiology · Carmichael, CA	55	109
Wen Lin Diagnostic Radiology · Palo Alto, CA	51	115
Mehrdad Jafarzadeh Cardiology · Carmichael, CA	45	82
Brian Fellmeth Diagnostic Radiology · Sacramento, CA	45	84
David Lao Interventional Cardiology · Carmichael, CA	41	104

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