Dr. Robert Martin Schaefer, MD
- Medicare services, 2023
- 14
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 45
- Hospital affiliations
- 1
- Industry payments
- $291
- Practice address
- 254 Easton Ave, New Brunswick, NJ 08901
- Practice phone
- Call (732) 745-8600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Schaefer's professional email, personal email and mobile number
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Dr. Robert Martin Schaefer is an OB-GYN in New Brunswick, New Jersey
Dr. Schaefer practices at Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System.
Dr. Schaefer's NPI, 1972599595, was assigned on September 20, 2005. Dr. Schaefer graduated from Jefferson Medical College of Thomas Jefferson University in 1980. Dr. Schaefer holds New Jersey license 58471.
- NPI
- 1972599595NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406849199
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Practice phone
- (732) 745-8600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Martin Schaefer practices at Saint Peter's University Hospital in New Brunswick, New Jersey
Dr. Schaefer's primary practice is Saint Peter's University Hospital, at 254 Easton Ave, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 745-8600.
- Saint Peter's University Hospital254 Easton Ave, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 745-8600
Source: Dmand AI Affiliation Data
Dr. Robert Martin Schaefer is affiliated with 1 site of care and 3 medical groups
Dr. Schaefer's primary practice is Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System. The medical group on file is Saint Peter's University Hospital. Dmand AI also links Dr. Schaefer to 2 more medical groups, each named with a free account. Dr. Schaefer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Martin Schaefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaefer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Peter's University Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Martin Schaefer is one of 1,250 OB-GYNs in New Jersey
Obstetrics and gynecology is Dr. Schaefer's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Schaefer is licensed in New Jersey.
Specialties and state licenses
- Obstetrics and gynecology, New JerseyPrimary
OB-GYNs near Dr. Schaefer
Counts of OB-GYNs 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 Martin Schaefer billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Schaefer across 1 procedure code in 2023, all of them office visits, for 12 Medicare patients. Medicare paid $1,860 for them. Every service was in an office.
Dr. Schaefer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 142023: 14No change
Dr. Schaefer compared with the New Jersey median for OB-GYNs, 2023
- Dr. Schaefer
- New Jersey median
- Medicare services
- 14vs 8383% below
- Medicare patients
- 12vs 6281% below
- Part D claims
- 14vs 3459% below
Medians across 1,083 OB-GYNs in New Jersey with Dmand AI profiles that report each measure.
Dr. Schaefer's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Martin Schaefer treated 12 Medicare patients in 2024, average age 66
CMS counts 12 Medicare patients who saw Dr. Schaefer in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schaefer's median patient age at 42, with 98% women.
Dr. Schaefer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Schaefer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schaefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Martin Schaefer wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Schaefer wrote 45 Medicare Part D claims for 16 patients. 96% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $290 in total drug cost. In 2019, CMS named 12 claims across 1 drug.
Dr. Schaefer's Part D claims by kind of drug, 2024
- Generic43 claims96%
- Brand-name and other2 claims4%
Dr. Schaefer's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 122021: 1417%
Drugs named by CMS: 1 in 2021, 1 in 2019.
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
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Dr. Robert Martin Schaefer received $291 in industry payments from 2016 to 2023
CMS Open Payments shows 8 general payments to Dr. Schaefer from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $159.
General payments to Dr. Schaefer by program year, 2016 to 2023
Companies that paid Dr. Schaefer the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Martin Schaefer graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Schaefer graduated from Jefferson Medical College of Thomas Jefferson University in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Martin Schaefer'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) |
| 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 Martin Schaefer
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 Martin Schaefer's NPI number?
Dr. Robert Martin Schaefer's NPI number is 1972599595. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Martin Schaefer?
Dr. Robert Martin Schaefer is an OB-GYN in New Brunswick, New Jersey. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Robert Martin Schaefer practice?
Dr. Schaefer practices at 254 Easton Ave, New Brunswick, NJ 08901. Dr. Schaefer's primary practice is Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Schaefer to 2 medical groups.
What is Dr. Robert Martin Schaefer's office phone number?
The practice phone on file for Dr. Schaefer is (732) 745-8600.
What is Dr. Robert Martin Schaefer's medical license number?
Dr. Schaefer holds New Jersey license 58471.
Which hospitals is Dr. Robert Martin Schaefer affiliated with?
Dr. Schaefer practices at Saint Peter's University Hospital in New Brunswick, New Jersey.
What medical group is Dr. Robert Martin Schaefer part of?
Dr. Schaefer is linked to Saint Peter's University Hospital. Dmand AI links Dr. Schaefer to 2 more medical groups.
Does Dr. Robert Martin Schaefer accept Medicare?
Yes. CMS data shows Dr. Schaefer billed Medicare for 14 services in 2023.
How many Medicare patients does Dr. Robert Martin Schaefer see?
CMS counts 12 Medicare patients who saw Dr. Schaefer in 2024, with an average age of 66.
What services does Dr. Robert Martin Schaefer bill to Medicare?
In 2023, Dr. Schaefer's most billed Medicare services were office visit, established patient (99215).
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Where did Dr. Robert Martin Schaefer go to medical school?
Dr. Schaefer graduated from Jefferson Medical College of Thomas Jefferson University in 1980.
What drugs does Dr. Robert Martin Schaefer prescribe most?
In 2021 Medicare Part D data, Dr. Schaefer's most prescribed drugs by claims were Heather.
Has Dr. Robert Martin Schaefer received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Dr. Schaefer from 6 companies from 2016 to 2023. The largest total came from Medtronic, Inc.
How long has Dr. Robert Martin Schaefer been practicing?
Dr. Schaefer graduated from medical school in 1980, 46 years ago.
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