What is John Diana's specialty?

John Diana (NPI 1649297540) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Napa, CA.

Where does John Diana practice?

John Diana practices in Napa, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1649297540.

How much does Medicare pay John Diana?

John Diana (NPI 1649297540) received approximately $525K in total Medicare Part B payments, serving 782 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649297540

John DianaM.D.

PRACTICENAPA VALLEY ORTHOPAEDIC MEDICAL GROUP, INCSee all providers at this practice →

Orthopedic SurgeryNapa, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,108

Unique beneficiaries

—

Total services

2,703

Distinct HCPCS

Medicare payment

$502K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — above median (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

247

Beneficiaries

—

Total drug cost

$533

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amoxicillin187 claims

Clindamycin Hcl24 claims

Tramadol Hcl24 claims

Oxycodone Hcl12 claims

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

94.0

Cost

65.1

Improvement activities

40.0

Promoting interop.

92.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$158K

Payment records

By payment type

Royalty or License$156K

Food and Beverage$1K

Travel and Lodging$724

Top paying entities

Royalty or License$156K

Food and Beverage$1K

Travel and Lodging$724

REFERRAL NETWORK

Where John Diana'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	258	1,352
Kimberly Opitz Physician Assistant · Napa, CA	148	601
Daniel Huber Anesthesiology · Saint Helena, CA	96	623
David Racker Diagnostic Radiology · Saint Helena, CA	96	355
Timothy Lyons Anesthesiology · Saint Helena, CA	93	645
Geoffrey Horn Diagnostic Radiology · Saint Helena, CA	82	264
Zuag Yang Physician Assistant · Fresno, CA	68	322
William Duge Diagnostic Radiology · Saint Helena, CA	63	224
Bruce Troup Diagnostic Radiology · Napa, CA	61	139
NPI 1407840002	54	210
TRENT, JOEL	43	142
Lee Austin Certified Registered Nurse Anesthetist (CRNA) · Honolulu, HI	39	140

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