What is David Gwynn's specialty?

David Gwynn (NPI 1003837766) is a Medicare-billing provider whose primary specialty is Ophthalmology in Mission Viejo, CA.

Where does David Gwynn practice?

David Gwynn practices in Mission Viejo, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1003837766.

How much does Medicare pay David Gwynn?

David Gwynn (NPI 1003837766) received approximately $72K in total Medicare Part B payments, serving 299 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003837766

David GwynnM.D

OphthalmologyMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

534

Unique beneficiaries

—

Total services

625

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — below median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

2,051

Beneficiaries

—

Total drug cost

$330K

Distinct drugs

Brand share

14.7%

Top prescribed drugs

Prednisolone Acetate516 claims

Ofloxacin398 claims

Latanoprost286 claims

Ketorolac Tromethamine235 claims

Cyclosporine104 claims

QUALITY · MIPS · 2024

Final MIPS score

52.1

Quality

0.0

Cost

73.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-2.74%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Entertainment$118

Top paying entities

Food and Beverage$1K

Entertainment$118

REFERRAL NETWORK

Where David Gwynn'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 · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Pacific Hills Surgery Center Llc Ambulatory Surgical Center · Laguna Hills, CA	42	46
Unilab Corporation Clinical Laboratory · West Hills, CA	37	84
SADDLEBACK MEMORIAL MEDICAL CENTER	21	31
Steven Sorenson Diagnostic Radiology · Redlands, CA	12	18

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KIRSCHNER, KEVIN	60	103
Pacific Hills Surgery Center Llc Ambulatory Surgical Center · Laguna Hills, CA	56	280
MISSION HOSPITAL REGIONAL MEDICAL CENTER	47	75
Unilab Corporation Clinical Laboratory · West Hills, CA	39	60
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	27	52
Ghada Aluzri Anesthesiology · Laguna Woods, CA	21	57
MARMOLEJO, AMANDA	21	78
James Chang Anesthesiology · Orange, CA	20	56
SADDLEBACK MEMORIAL MEDICAL CENTER	19	29
Cornelia Muehlhauser Anesthesiology · Newport Beach, CA	15	50
NORTHFIELD, KARIN	11	35

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