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Rebecca Chen

NPI 1972131431ActiveIndividual· Dermatology· Palo Alto, CA

Dermatology with Csi Medical Group and 1 other group, practicing in Palo Alto, California. 117 Medicare patients in 2024, $27,924 paid; nearly all of their 95 Part D prescriptions were generic (97%). Regeneron Healthcare Solutions, Inc. was the largest of 16 companies reporting payments in 2025, $2,683 in all, mostly food and beverage.

Overview

NPI1972131431
StatusActive
Entity typeIndividual
Sole proprietorYes
NPI issuedMar 31, 2020
Last updated in NPPESSep 2, 2026
Certified by providerSep 2, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XA197000CA
Dermatology, MOHS-Micrographic Surgery207ND0101XA197000CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Dermatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients117
Services billed325 across 41 procedure codes
Paid by Medicare$27,924

Part D prescriptions in 2024

Prescriptions (claims)95 · 97 30-day fills
Patients40
Total drug cost$15,679
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Graduation year2020
Medicare specialtyDermatology
Secondary specialtiesMicrographic Dermatologic Surgery (Mds)

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,683 · 102 payments from 16 companies
  • 2024$2,653 · 55 payments from 17 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,600 · 100 payments
  • Education$83.15 · 2 payments

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

Other Dermatology providers in Palo Alto

All Dermatology providers in California →