Isaac Teitelbaum, MD
NPI 1235229139 · Nephrology Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Teitelbaum, MD is a Nephrology Physician provider in Aurora, CO (NPI 1235229139).
Provider details
- NPI number
- 1235229139
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23356 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
488 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 196 | $291 |
| Hemodialysis Procedure With Physician Evaluation90935 | 95 | $70 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 79 | $117 |
| Dialysis Procedure Including 1 Evaluation90945 | 55 | $85 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $171 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 38 | 13 |
| Losartan Potassium | 34 | — |
| Carvedilol | 25 | — |
| Furosemide | 22 | — |
| Amlodipine Besylate | 21 | — |
| Gentamicin Sulfate | 16 | — |
| Potassium Chloride | 16 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 12605 E 16th AveAurora, CO 80045-2545Phone: (720) 848-0000Fax: (303) 724-4868
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Isaac Teitelbaum's NPI number?
- Isaac Teitelbaum's National Provider Identifier (NPI) is 1235229139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Teitelbaum's specialty?
- Isaac Teitelbaum is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Teitelbaum located?
- Isaac Teitelbaum's practice location on file with NPPES is 1635 Aurora Ct, Aurora, CO 80045-2541.
- What is Isaac Teitelbaum's phone number?
- The practice phone number listed in the NPPES registry for Isaac Teitelbaum is (720) 848-0000.
- Does Isaac Teitelbaum accept Medicare?
- Isaac Teitelbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Teitelbaum's NPI active?
- Yes — Isaac Teitelbaum's NPI (1235229139) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.