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
| NPI | 1235229139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Mar 12, 2026 |
| Certified by provider | Mar 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 23356 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 172 |
|---|---|
| Services billed | 593 across 21 procedure codes |
| Paid by Medicare | $77,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 387 · 739 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $41,594 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliations
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
- University of Colorado Hospital AuthorityAurora, CO
Other facilities
- University of Co Hospital - Home DialysisDialysis facility · Aurora, CO
Industry payments (Open Payments)
- 2025$6,322 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $6,300 | 1 |
| Akebia Therapeutics Inc | $21.83 | 1 |
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
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