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Joseph Morris Isaacson, MD

NPI 1356305551ActiveIndividual· Internal Medicine, Rheumatology· San Jose, CA

Opted out of Medicare from July 2016 to July 2028. Internal Medicine, Rheumatology (MD) in San Jose, California, licensed in CA, with an NPI issued in April 2006. Part D covered 17 prescriptions written in 2024, 100% of them generic. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) reported $23.17 in payments in 2024, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.

Overview

NPI1356305551
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 14, 2006
Last updated in NPPESNov 19, 2021
Certified by providerNov 10, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XG40276CA
Internal Medicine207R00000XG40276CA

About license numbers in NPPES

Exclusion screening

Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.

Matched byName on OIG listExclusion typeExcluded sinceLocation
Name + stateJoseph Isaacson · Business Manager1128a1Dec 20, 2000Los Angeles, CA
ListResultDetails
HHS-OIG LEIE · Nov 10, 2026Possible (name)See above
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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Jul 29, 2016 – Jul 29, 2028
Can order and referYes

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Part D prescriptions in 2024

Prescriptions (claims)17 · 43 30-day fills
Total drug cost$438.10
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2024$23.17 · 1 payment from 1 company

Top paying companies in 2024

What the 2024 payments were for

  • Food and Beverage$23.17 · 1 payment

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

Other rheumatologists in San Jose

All 18 rheumatologists in San Jose · All rheumatologists in California