What is David Diehl's specialty?

David Diehl (NPI 1669530861) is a Medicare-billing provider whose primary specialty is Anesthesiology in La Mesa, CA.

Where does David Diehl practice?

David Diehl practices in La Mesa, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1669530861.

How much does Medicare pay David Diehl?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for David Diehl (NPI 1669530861) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1669530861

David Diehl

PRACTICEA NOURIN, MD, INCSee all providers at this practice →

AnesthesiologyLa Mesa, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where David Diehl'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Grossmont Surgery Center Lp Ambulatory Surgical Center · La Mesa, CA	45	45
Bruce Haight Ophthalmology · La Mesa, CA	18	34
Christopher Hsu Ophthalmology · El Cajon, CA	11	40
Unilab Corporation Clinical Laboratory · West Hills, CA	11	14

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