Robert Sipzner, M.D.
NPI 1467491589 · Nephrology Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sipzner, M.D. is a Nephrology Physician provider in Livingston, NJ (NPI 1467491589).
Provider details
- NPI number
- 1467491589
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04976000 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,227 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 745 | $134 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 162 | $356 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 140 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 79 | $79 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $187 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 385 | 120 |
| Amlodipine Besylate | 363 | 109 |
| Rosuvastatin Calcium | 225 | 71 |
| Levothyroxine Sodium | 171 | 44 |
| Losartan Potassium | 161 | 49 |
| Olmesartan Medoxomil | 133 | 39 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$859 across 55 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 477 BroadwayBayonne, NJ 07002-4797Phone: (973) 994-4550Fax: (973) 994-7085
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2024-02-22
- Certified
- 2024-02-22
Frequently asked questions
- What is Robert Sipzner's NPI number?
- Robert Sipzner's National Provider Identifier (NPI) is 1467491589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sipzner's specialty?
- Robert Sipzner is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sipzner located?
- Robert Sipzner's practice location on file with NPPES is 22 Old Short Hills Rd, Livingston, NJ 07039-5604.
- What is Robert Sipzner's phone number?
- The practice phone number listed in the NPPES registry for Robert Sipzner is (973) 994-4550.
- Does Robert Sipzner accept Medicare?
- Robert Sipzner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sipzner's NPI active?
- Yes — Robert Sipzner's NPI (1467491589) is active in the NPPES registry as of the last update on 2024-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.