Dr. Mark R. Gershenbaum, DO
- Medicare services, 2024
- 1,103
- Medicare patients, 2024
- 309
- Part D claims, 2024
- 96
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Practice address
- 901 West Main Street, Freehold, NJ 07728
- Practice phone
- Call (732) 294-7012
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gershenbaum'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. Mark R. Gershenbaum is a hospitalist in Freehold, New Jersey
Dr. Gershenbaum practices at Atlantic Health CentraState Medical Center in Freehold, New Jersey, part of Atlantic Health System.
Dr. Gershenbaum's NPI, 1982665782, was assigned on March 31, 2006. Dr. Gershenbaum graduated from Philadelphia College of Osteopathic Medicine in 1984. Dr. Gershenbaum holds New Jersey license 25MB04672200.
- NPI
- 1982665782NPI Registry (opens in a new tab)
- NPI enumeration date
- March 31, 2006
- NPI status
- Active
- Practice phone
- (732) 294-7012
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark R. Gershenbaum practices at Atlantic Health CentraState Medical Center in Freehold, New Jersey
Dr. Gershenbaum's primary practice is Atlantic Health CentraState Medical Center, at 901 West Main Street, Freehold, NJ 07728 in Monmouth County. The practice phone is (732) 294-7012.
- Atlantic Health CentraState Medical Center901 West Main Street, Freehold, NJ 07728 · Monmouth CountyPhone(732) 294-7012
Source: Dmand AI Affiliation Data
Dr. Mark R. Gershenbaum is affiliated with 2 sites of care and 1 medical group
Dr. Gershenbaum's primary practice is Atlantic Health CentraState Medical Center in Freehold, New Jersey, part of Atlantic Health System. The medical group on file is Freehold Hospitalists. Dmand AI also links Dr. Gershenbaum to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark R. Gershenbaum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gershenbaum practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atlantic Health CentraState Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark R. Gershenbaum is one of 610 hospitalists in New Jersey
Hospitalist is Dr. Gershenbaum's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Gershenbaum is licensed in New Jersey.
Specialties and state licenses
- Hospitalist, New JerseyPrimary
Hospitalists near Dr. Gershenbaum
Counts of hospitalists 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. Mark R. Gershenbaum billed Medicare for 1,103 services in 2024
CMS data shows 1,103 Medicare services from Dr. Gershenbaum across 4 procedure codes in 2024, for 309 Medicare patients. Medicare paid $100,207 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gershenbaum compared with the New Jersey median for hospitalists, 2024
- Dr. Gershenbaum
- New Jersey median
- Medicare services
- 1,103vs 65269% above
- Medicare patients
- 309vs 2916% above
Medians across 548 hospitalists in New Jersey with Dmand AI profiles that report each measure.
Dr. Gershenbaum'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gershenbaum and other hospitalists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark R. Gershenbaum treated 309 Medicare patients in 2024, average age 81
CMS counts 309 Medicare patients who saw Dr. Gershenbaum in 2024. The largest group is 85 and over, with 121 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.61, 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. Gershenbaum's median patient age at 72, with 36% women.
Dr. Gershenbaum's Medicare patients by age, 2024
Dr. Gershenbaum's Medicare patients by sex, 2024
- Women16353%
- Men14647%
Chronic conditions among Dr. Gershenbaum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Ischemic heart disease64%
- Heart failure56%
- Atrial fibrillation49%
- Mood disorders49%
- Chronic kidney disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gershenbaum'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
- Women36%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark R. Gershenbaum wrote 96 Medicare Part D claims in 2024
In 2024, Dr. Gershenbaum wrote 96 Medicare Part D claims for 28 patients. 84% of them were for generic drugs.
Dr. Gershenbaum's Part D claims by kind of drug, 2024
- Generic81 claims84%
- Brand-name15 claims16%
Drug classes CMS tracks in Dr. Gershenbaum's Part D claims, 2024
- Antibiotics21%20 of 96 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark R. Gershenbaum scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Gershenbaum for performance year 2024, reported as part of a group.
Dr. Gershenbaum's MIPS scores, performance year 2024
- 81of 100Final score
- 62.6of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark R. Gershenbaum graduated from Philadelphia College of Osteopathic Medicine
Dr. Gershenbaum graduated from Philadelphia College of Osteopathic Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark R. Gershenbaum'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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Mark R. Gershenbaum
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. Mark R. Gershenbaum's NPI number?
Dr. Mark R. Gershenbaum's NPI number is 1982665782. It was assigned on March 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark R. Gershenbaum?
Dr. Mark R. Gershenbaum is a hospitalist in Freehold, New Jersey. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Mark R. Gershenbaum practice?
Dr. Gershenbaum practices at 901 West Main Street, Freehold, NJ 07728. Dr. Gershenbaum's primary practice is Atlantic Health CentraState Medical Center in Freehold, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Gershenbaum to 1 physician office.
What is Dr. Mark R. Gershenbaum's office phone number?
The practice phone on file for Dr. Gershenbaum is (732) 294-7012.
What is Dr. Mark R. Gershenbaum's medical license number?
Dr. Gershenbaum holds New Jersey license 25MB04672200.
Which hospitals is Dr. Mark R. Gershenbaum affiliated with?
Dr. Gershenbaum practices at Atlantic Health CentraState Medical Center in Freehold, New Jersey.
What medical group is Dr. Mark R. Gershenbaum part of?
Dr. Gershenbaum is linked to Freehold Hospitalists.
Does Dr. Mark R. Gershenbaum accept Medicare?
Yes. CMS data shows Dr. Gershenbaum billed Medicare for 1,103 services in 2024.
What is Dr. Mark R. Gershenbaum's MIPS score?
Dr. Gershenbaum's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark R. Gershenbaum see?
CMS counts 309 Medicare patients who saw Dr. Gershenbaum in 2024, with an average age of 81.
Show 3 more questionsShow fewer questions
What services does Dr. Mark R. Gershenbaum bill to Medicare?
In 2024, Dr. Gershenbaum's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Where did Dr. Mark R. Gershenbaum go to medical school?
Dr. Gershenbaum graduated from Philadelphia College of Osteopathic Medicine in 1984.
How long has Dr. Mark R. Gershenbaum been practicing?
Dr. Gershenbaum graduated from medical school in 1984, 42 years ago.
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