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Lisa B. Kremer, M.D.

NPI 1144262213ActiveIndividual· Internal Medicine, Rheumatology· Santa Rosa, CA

Internal Medicine, Rheumatology (M.D.) in Santa Rosa, California, trained at University of Minnesota Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $2,989,395 for 2,443 claims, against $191,663 paid for services in 2024.

Overview

NPI1144262213
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 12, 2006
Last updated in NPPESJan 6, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XG076815CA

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 - Rheumatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients449
Services billed21,287 across 18 procedure codes
Paid by Medicare$191,663

Part D prescriptions in 2024

Prescriptions (claims)2,443 · 4,402 30-day fills
Patients343
Total drug cost$2,989,395
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Minnesota Medical School
Graduation year1989
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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