Benjamin W. Gersten

  • Portsmouth, NH
  • Physician assistant
NPI1154895951PAC ID5799011664
Medicare patients, 2024
301
Part D claims, 2024
2,422
MIPS score, 2024
86
Hospital affiliations
4
Medical groups
2
Practice address
605 Lafayette Rd, Portsmouth, NH 03801
Practice phone
Call (603) 580-6753
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Core Physicians

Portsmouth, New Hampshire

See all 8 affiliations

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Benjamin W. Gersten is a physician assistant in Portsmouth, New Hampshire

Benjamin Gersten practices at Core Physicians in Portsmouth, New Hampshire.

Benjamin Gersten's NPI, 1154895951, was assigned on January 15, 2019. Benjamin Gersten holds New Hampshire license 1491.

NPI and contact details
Medicare PAC ID
5799011664
NPI enumeration date
January 15, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(603) 580-6753
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Benjamin W. Gersten practices at Core Physicians in Portsmouth, New Hampshire

Benjamin Gersten's primary practice is Core Physicians, at 605 Lafayette Rd, Portsmouth, NH 03801 in Rockingham County. The practice phone is (603) 580-6753.

  • Core Physicians
    605 Lafayette Rd, Portsmouth, NH 03801 · Rockingham CountyPhone(603) 580-6753

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Benjamin W. Gersten is affiliated with 6 sites of care and 2 medical groups

Benjamin Gersten's primary practice is Core Physicians in Portsmouth, New Hampshire. Benjamin Gersten is also affiliated with Portsmouth Regional Hospital. The medical group on file is Core Physicians. Dmand AI also links Benjamin Gersten to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 8 affiliations for Benjamin Gersten

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Benjamin W. Gersten's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Gersten practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Core PhysiciansAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Benjamin W. Gersten is one of 796 physician assistants in New Hampshire

Physician assistant is Benjamin Gersten's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Benjamin Gersten is licensed in New Hampshire.

Specialties and state licenses

  • Physician assistant, New HampshirePrimaryLicense 1491 · taxonomy 363A00000X

Physician assistants near Benjamin Gersten

Counts of physician assistants 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

Benjamin W. Gersten treated 301 Medicare patients in 2024, average age 72

CMS counts 301 Medicare patients who saw Benjamin Gersten in 2024. The largest group is 65 to 74, with 162 patients. 73% of them have high cholesterol, and 64% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Benjamin Gersten's median patient age at 61, with 35% women.

Medicare patients, 2024301
Average age72
Average risk score0.98
Also on Medicaid9%

Benjamin Gersten's Medicare patients by age, 2024

Benjamin Gersten's Medicare patients by sex, 2024

  • Women12040%
  • Men18160%

Chronic conditions among Benjamin Gersten's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure64%
  3. Arthritis39%
  4. Anxiety31%
  5. Diabetes22%
  6. Mood disorders22%
  7. Depression19%
  8. Ischemic heart disease19%

Share of Medicare patients with each condition. A patient can have several.

Benjamin Gersten's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women35%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Benjamin W. Gersten wrote 2,422 Medicare Part D claims in 2024

In 2024, Benjamin Gersten wrote 2,422 Medicare Part D claims for 424 patients. 89% of them were for generic drugs.

Part D claims, 20242,422
Part D patients424

Benjamin Gersten's Part D claims by kind of drug, 2024

  • Generic2,157 claims89%
  • Brand-name and other265 claims11%

Drug classes CMS tracks in Benjamin Gersten's Part D claims, 2024

  • Opioids1%25 of 2,422 claims
  • Antibiotics3%77 of 2,422 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

Benjamin W. Gersten scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Benjamin Gersten for performance year 2024, reported through an alternative payment model (APM). Benjamin Gersten accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Benjamin Gersten as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Benjamin Gersten's MIPS scores, performance year 2024

  • 86of 100Final score
  • 85.9of 100Quality
  • 78of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for Benjamin W. Gersten's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Benjamin W. Gersten

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Benjamin W. Gersten's NPI number?

Benjamin W. Gersten's NPI number is 1154895951. It was assigned on January 15, 2019, and it is active in the NPI Registry.

What does Benjamin W. Gersten specialize in?

Benjamin W. Gersten is a physician assistant in Portsmouth, New Hampshire. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Benjamin W. Gersten practice?

Benjamin Gersten practices at 605 Lafayette Rd, Portsmouth, NH 03801. Benjamin Gersten's primary practice is Core Physicians in Portsmouth, New Hampshire. Dmand AI also links Benjamin Gersten to 3 hospitals, 1 group practice or clinic and 1 medical group.

What is Benjamin W. Gersten's office phone number?

The practice phone on file for Benjamin Gersten is (603) 580-6753.

What is Benjamin W. Gersten's medical license number?

Benjamin Gersten holds New Hampshire license 1491, one of 2 state licenses on file.

Which hospitals is Benjamin W. Gersten affiliated with?

Benjamin Gersten is affiliated with Portsmouth Regional Hospital. Dmand AI links Benjamin Gersten to 3 more hospitals.

What medical group is Benjamin W. Gersten part of?

Benjamin Gersten is linked to Core Physicians. Dmand AI links Benjamin Gersten to 1 more medical group.

Does Benjamin W. Gersten accept Medicare?

Yes. CMS lists Benjamin Gersten as accepting Medicare assignment.

Does Benjamin W. Gersten offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Benjamin Gersten as offering telehealth services.

What is Benjamin W. Gersten's MIPS score?

Benjamin Gersten's MIPS final score for performance year 2024 is 86 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Benjamin W. Gersten see?

CMS counts 301 Medicare patients who saw Benjamin Gersten in 2024, with an average age of 72.

How long has Benjamin W. Gersten been practicing?

Benjamin Gersten graduated from medical school in 2019, 7 years ago.

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