Dr. Robert Jay Sipzner, MD
- Medicare services, 2024
- 1,227
- Medicare patients, 2024
- 416
- Part D claims, 2024
- 5,094
- Hospital affiliations
- 3
- Industry payments
- $6,343
- Practice address
- 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922
- Practice phone
- Call (908) 273-4300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group Ambulatory Surgery Center - Berkeley Heights
Surgery Center - Medicare-Certified · Berkeley Heights, New Jersey
Find Dr. Sipzner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Jay Sipzner is a nephrologist in Berkeley Heights, New Jersey
Dr. Sipzner practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey.
Dr. Sipzner's NPI, 1467491589, was assigned on June 5, 2006. Dr. Sipzner graduated from New York University School of Medicine in 1982. Dr. Sipzner holds New Jersey license 25MA04976000.
- NPI
- 1467491589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143303446
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 273-4300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Jay Sipzner practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey
Dr. Sipzner's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights, at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. The practice phone is (908) 273-4300.
- Summit Medical Group Ambulatory Surgery Center - Berkeley Heights1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922Phone(908) 273-4300
Source: Dmand AI Affiliation Data
Dr. Robert Jay Sipzner is affiliated with 9 sites of care and 2 medical groups
Dr. Sipzner's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dr. Sipzner is also affiliated with Morristown Medical Center. The medical group on file is Atlantic Medical Group. Dmand AI also links Dr. Sipzner to 2 more hospitals, 2 dialysis centers, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Jay Sipzner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sipzner practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group Ambulatory Surgery Center - Berkeley Heights | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Jay Sipzner is one of 399 nephrologists in New Jersey
Nephrology is Dr. Sipzner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Sipzner is licensed in New Jersey.
Specialties and state licenses
- Nephrology, New JerseyPrimary
Nephrologists near Dr. Sipzner
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Jay Sipzner billed Medicare for 1,227 services in 2024
CMS data shows 1,227 Medicare services from Dr. Sipzner across 8 procedure codes in 2024, for 416 Medicare patients. Medicare paid $133,949 for them.
Dr. Sipzner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1752024: 92521%
- Tests and treatments
- 2023: 4542024: 30233%
- Lab and pathology
- 2023: 2502024: 0100%
Where Dr. Sipzner's Medicare services took place, 2024
- In an office1,12392%
- In a facility1048%
Dr. Sipzner compared with the New Jersey median for nephrologists, 2024
- Dr. Sipzner
- New Jersey median
- Medicare services
- 1,227vs 1,38211% below
- Medicare patients
- 416vs 37112% above
- Part D claims
- 4,342vs 9454.6 times
Medians across 397 nephrologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Sipzner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Sipzner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sipzner and other nephrologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Jay Sipzner treated 416 Medicare patients in 2024, average age 76
CMS counts 416 Medicare patients who saw Dr. Sipzner in 2024. The largest group is 65 to 74, with 181 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sipzner's median patient age at 72, with 44% women.
Dr. Sipzner's Medicare patients by age, 2024
Dr. Sipzner's Medicare patients by sex, 2024
- Women21451%
- Men20249%
Chronic conditions among Dr. Sipzner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease45%
- Arthritis44%
- Diabetes44%
- Ischemic heart disease37%
- Anxiety23%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sipzner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women44%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Jay Sipzner wrote 5,094 Medicare Part D claims in 2024
In 2024, Dr. Sipzner wrote 5,094 Medicare Part D claims for 512 patients. 88% of them were for generic drugs. CMS names the drug for 4,342 of them, across 104 drugs with 11 or more claims each, at $413,213 in total drug cost. In 2023, CMS named 4,634 claims across 103 drugs.
Dr. Sipzner's Part D claims by kind of drug, 2024
- Generic4,484 claims88%
- Brand-name598 claims12%
- Other12 claims0%
Dr. Sipzner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sipzner's Part D claims, 2024
- Opioids1%73 of 5,094 claims
- Antibiotics2%106 of 5,094 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,6342024: 4,3426%
Drugs named by CMS: 104 in 2024, 103 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Robert Jay Sipzner takes part in Medicare
Dr. Sipzner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert Jay Sipzner received $6,343 in industry payments from 2016 to 2025
CMS Open Payments shows 426 general payments to Dr. Sipzner from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $1,227.
General payments to Dr. Sipzner by program year, 2016 to 2025
General payments to Dr. Sipzner by kind, 2016 to 2025
- Food and beverage$6,09696%
- Education$2474%
Companies that paid Dr. Sipzner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Jay Sipzner graduated from New York University School of Medicine
Dr. Sipzner graduated from New York University School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Jay Sipzner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Jay Sipzner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Jay Sipzner's NPI number?
Dr. Robert Jay Sipzner's NPI number is 1467491589. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Jay Sipzner?
Dr. Robert Jay Sipzner is a nephrologist in Berkeley Heights, New Jersey. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Robert Jay Sipzner practice?
Dr. Sipzner practices at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. Dr. Sipzner's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dmand AI also links Dr. Sipzner to 2 hospitals, 2 dialysis centers, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Robert Jay Sipzner's office phone number?
The practice phone on file for Dr. Sipzner is (908) 273-4300.
What is Dr. Robert Jay Sipzner's medical license number?
Dr. Sipzner holds New Jersey license 25MA04976000.
Which hospitals is Dr. Robert Jay Sipzner affiliated with?
Dr. Sipzner is affiliated with Morristown Medical Center. Dmand AI links Dr. Sipzner to 2 more hospitals.
What medical group is Dr. Robert Jay Sipzner part of?
Dr. Sipzner is linked to Atlantic Medical Group. Dmand AI links Dr. Sipzner to 1 more medical group.
Does Dr. Robert Jay Sipzner accept Medicare?
Yes. CMS data shows Dr. Sipzner billed Medicare for 1,227 services in 2024, and Dr. Sipzner accepts Medicare assignment.
How many Medicare patients does Dr. Robert Jay Sipzner see?
CMS counts 416 Medicare patients who saw Dr. Sipzner in 2024, with an average age of 76.
What services does Dr. Robert Jay Sipzner bill to Medicare?
In 2024, Dr. Sipzner's most billed Medicare services were office visit, established patient (99214), dialysis (90960) and heart test or procedure (93000).
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Where did Dr. Robert Jay Sipzner go to medical school?
Dr. Sipzner graduated from New York University School of Medicine in 1982.
What drugs does Dr. Robert Jay Sipzner prescribe most?
In 2024 Medicare Part D data, Dr. Sipzner's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Robert Jay Sipzner received payments from drug or device companies?
CMS Open Payments shows $6,343 in general payments to Dr. Sipzner from 38 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Robert Jay Sipzner been practicing?
Dr. Sipzner graduated from medical school in 1982, 44 years ago.
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