Dr. Robert E. Gerszten, MD
- Medicare services, 2024
- 206
- Medicare patients, 2024
- 171
- Hospital affiliations
- 1
- Industry payments
- $18,196
- Medical groups
- 2
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerszten'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 E. Gerszten is a cardiologist in Boston, Massachusetts
Dr. Gerszten practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Gerszten's NPI, 1235184573, was assigned on May 24, 2006. Dr. Gerszten graduated from Johns Hopkins University School of Medicine in 1989. Dr. Gerszten holds Massachusetts license 77859.
- NPI
- 1235184573NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911915277
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Gerszten practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Gerszten's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Robert E. Gerszten is affiliated with 1 site of care and 2 medical groups
Dr. Gerszten's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Gerszten to 1 more medical group, 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 E. Gerszten's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerszten practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert E. Gerszten is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Gerszten's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Gerszten is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Gerszten
Counts of cardiologists 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 E. Gerszten billed Medicare for 206 services in 2024
CMS data shows 206 Medicare services from Dr. Gerszten across 2 procedure codes in 2024, for 171 Medicare patients. Medicare paid $9,834 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gerszten's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2092024: 15526%
- Office and hospital visits
- 2023: 892024: 5143%
Dr. Gerszten compared with the Massachusetts median for cardiologists, 2024
- Dr. Gerszten
- Massachusetts median
- Medicare services
- 206vs 1,61287% below
- Medicare patients
- 171vs 95682% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gerszten'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. Gerszten?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerszten and other cardiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert E. Gerszten treated 171 Medicare patients in 2024, average age 76
CMS counts 171 Medicare patients who saw Dr. Gerszten in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.60, 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. Gerszten's median patient age at 68, with 53% women.
Dr. Gerszten's Medicare patients by age, 2024
Dr. Gerszten's Medicare patients by sex, 2024
- Women9455%
- Men7745%
Chronic conditions among Dr. Gerszten's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure67%
- Atrial fibrillation57%
- Ischemic heart disease57%
- Arthritis50%
- Chronic kidney disease50%
- Anxiety49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerszten's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert E. Gerszten takes part in Medicare
Dr. Gerszten 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 E. Gerszten received $18,196 in industry payments from 2016 to 2024
CMS Open Payments shows 23 general payments to Dr. Gerszten from 3 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 91% of the total. Gilead Sciences, Inc. paid the most, $16,088.
General payments to Dr. Gerszten by program year, 2016 to 2024
General payments to Dr. Gerszten by kind, 2016 to 2024
- Consulting fees$16,50091%
- Travel and lodging$1,0956%
- Food and beverage$6013%
Companies that paid Dr. Gerszten the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert E. Gerszten graduated from Johns Hopkins University School of Medicine
Dr. Gerszten graduated from Johns Hopkins University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert E. Gerszten'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) |
| 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 E. Gerszten
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 E. Gerszten's NPI number?
Dr. Robert E. Gerszten's NPI number is 1235184573. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Gerszten?
Dr. Robert E. Gerszten is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Robert E. Gerszten practice?
Dr. Gerszten practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Gerszten's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Gerszten to 1 medical group.
What is Dr. Robert E. Gerszten's office phone number?
The practice phone on file for Dr. Gerszten is (617) 667-7000.
What is Dr. Robert E. Gerszten's medical license number?
Dr. Gerszten holds Massachusetts license 77859.
Which hospitals is Dr. Robert E. Gerszten affiliated with?
Dr. Gerszten practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Dr. Robert E. Gerszten part of?
Dr. Gerszten is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Gerszten to 1 more medical group.
Does Dr. Robert E. Gerszten accept Medicare?
Yes. CMS data shows Dr. Gerszten billed Medicare for 206 services in 2024, and Dr. Gerszten accepts Medicare assignment.
How many Medicare patients does Dr. Robert E. Gerszten see?
CMS counts 171 Medicare patients who saw Dr. Gerszten in 2024, with an average age of 76.
What services does Dr. Robert E. Gerszten bill to Medicare?
In 2024, Dr. Gerszten's most billed Medicare services were heart test or procedure (93010) and critical care (99291).
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Where did Dr. Robert E. Gerszten go to medical school?
Dr. Gerszten graduated from Johns Hopkins University School of Medicine in 1989.
Has Dr. Robert E. Gerszten received payments from drug or device companies?
CMS Open Payments shows $18,196 in general payments to Dr. Gerszten from 3 companies from 2016 to 2024. The largest total came from Gilead Sciences, Inc.
How long has Dr. Robert E. Gerszten been practicing?
Dr. Gerszten graduated from medical school in 1989, 37 years ago.
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