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Carolyn Smith Lacey, M.D.

NPI 1295717411ActiveIndividual· Internal Medicine, Cardiovascular Disease· Walnut Creek, CA

Internal Medicine, Cardiovascular Disease (M.D.) with John Muir Physician Network, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $1,569,167 for 5,292 claims, against $533,169 paid for services in 2024. Aop Health US, LLC was the largest of 24 companies reporting payments in 2025, $3,521 in all, mostly food and beverage. Lists Contra Costa Regional Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1295717411
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 15, 2005
Last updated in NPPESAug 11, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000XC131968CA
Internal Medicine207R00000X0101238189VA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients2,200
Services billed9,747 across 77 procedure codes
Paid by Medicare$533,169

Part D prescriptions in 2024

Prescriptions (claims)5,292 · 13,593 30-day fills
Patients814
Total drug cost$1,569,167
Generic share77% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyCardiovascular Disease (Cardiology)
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,521 · 117 payments from 24 companies
  • 2024$2,627 · 112 payments from 25 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$3,521 · 117 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other cardiologists in Walnut Creek

All 31 cardiologists in Walnut Creek · All cardiologists in California