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Isaac Teitelbaum, MD

NPI 1235229139ActiveIndividual· Internal Medicine, Nephrology· Aurora, CO

Internal Medicine, Nephrology (MD) in Aurora, Colorado, trained at State University of New York Downstate Medical Center (class of 1979). 172 Medicare patients in 2024, $77,739 paid; nearly all of their 387 Part D prescriptions were generic (92%). Vantive US Healthcare LLC was the largest of 2 companies reporting payments in 2025, $6,322 in all, mostly education.

Overview

NPI1235229139
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 13, 2006
Last updated in NPPESMar 12, 2026
Certified by providerMar 12, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X23356CO

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 - Nephrology (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients172
Services billed593 across 21 procedure codes
Paid by Medicare$77,739

Part D prescriptions in 2024

Prescriptions (claims)387 · 739 30-day fills
Patients44
Total drug cost$41,594
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year1979
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$6,322 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Vantive US Healthcare LLC$6,3001
Akebia Therapeutics Inc$21.831

What the 2025 payments were for

  • Education$6,300 · 1 payment
  • Food and Beverage$21.83 · 1 payment

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

Other nephrologists in Aurora

All 51 nephrologists in Aurora · All nephrologists in Colorado