Dr. James Peter Koren, MD
- Medicare services, 2024
- 115
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 80
- Hospital affiliations
- 1
- Industry payments
- $2,663
- Practice address
- 16 Hospital Road, Plymouth, NH 03264
- Practice phone
- Call (603) 536-1120
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koren's professional email, personal email and mobile number
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Dr. James Peter Koren is a general surgeon in Plymouth, New Hampshire
Dr. Koren practices at Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital.
Dr. Koren's NPI, 1952360430, was assigned on March 22, 2006. Dr. Koren graduated from Ohio State University College of Medicine in 1996. Dr. Koren holds New Hampshire license 13971.
- NPI
- 1952360430NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517913387
- NPI enumeration date
- March 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 536-1120
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Peter Koren practices at Speare Memorial Hospital in Plymouth, New Hampshire
Dr. Koren's primary practice is Speare Memorial Hospital, at 16 Hospital Road, Plymouth, NH 03264 in Grafton County. The practice phone is (603) 536-1120.
- Speare Memorial Hospital16 Hospital Road, Plymouth, NH 03264 · Grafton CountyPhone(603) 536-1120
Source: Dmand AI Affiliation Data
Dr. James Peter Koren is affiliated with 2 sites of care and 1 medical group
Dr. Koren's primary practice is Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital. The medical group on file is Speare Memorial Hospital. Dmand AI also links Dr. Koren to 1 more therapy and rehab clinic, named with a free account. Dr. Koren'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. James Peter Koren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koren practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Speare Memorial Hospital | Available with a free account |
| +1 more affiliated site | 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 Speare Memorial Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Peter Koren is one of 157 general surgeons in New Hampshire
Surgery is Dr. Koren's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Koren's licenses on file in 2 states: New Hampshire and Pennsylvania.
Specialties and state licenses
- Surgery, New HampshirePrimary
- Pennsylvania license
General surgeons near Dr. Koren
Counts of general surgeons 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. James Peter Koren billed Medicare for 115 services in 2024
CMS data shows 115 Medicare services from Dr. Koren across 5 procedure codes in 2024, for 102 Medicare patients. Medicare paid $5,590 for them.
Dr. Koren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1112024: 1154%
Where Dr. Koren's Medicare services took place, 2024
- In an office9784%
- In a facility1816%
Dr. Koren compared with the New Hampshire median for general surgeons, 2024
- Dr. Koren
- New Hampshire median
- Medicare services
- 115vs 1269% below
- Medicare patients
- 102vs 12418% below
- Part D claims
- 51vs 2882% above
Medians across 154 general surgeons in New Hampshire with Dmand AI profiles that report each measure.
Dr. Koren'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. Koren and other general surgeons in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Peter Koren treated 102 Medicare patients in 2024, average age 70
CMS counts 102 Medicare patients who saw Dr. Koren in 2024. The largest group is 65 to 74, with 47 patients. 69% of them have high blood pressure, and 68% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Koren's median patient age at 64, with 54% women.
Dr. Koren's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Koren's Medicare patients by sex, 2024
- Women5453%
- Men4847%
Chronic conditions among Dr. Koren's Medicare patients, 2024
- High blood pressure69%
- High cholesterol68%
- Anxiety36%
- Tobacco use35%
- Arthritis34%
- Mood disorders34%
- Ischemic heart disease29%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Peter Koren wrote 80 Medicare Part D claims in 2024
In 2024, Dr. Koren wrote 80 Medicare Part D claims for 33 patients. 100% of them were for generic drugs. CMS names the drug for 51 of them, across 2 drugs with 11 or more claims each, at $438 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Koren'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. Koren's Part D claims, 2024
- Antibiotics16%13 of 80 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: 272024: 5189%
Drugs named by CMS: 2 in 2024, 2 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
Dr. James Peter Koren ranks in the 45th percentile for colonoscopy in Medicare
Dr. Koren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of colonoscopy by Dr. Koren, more than 45% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Koren ranks in Medicare procedure volume
- Colonoscopy
- 45th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Peter Koren received $2,663 in industry payments from 2016 to 2023
CMS Open Payments shows 35 general payments to Dr. Koren from 6 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 61% of the total. Covidien LP paid the most, $2,255.
General payments to Dr. Koren by program year, 2016 to 2023
General payments to Dr. Koren by kind, 2016 to 2023
- Travel and lodging$1,63461%
- Food and beverage$1,02939%
Companies that paid Dr. Koren 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. James Peter Koren graduated from Ohio State University College of Medicine
Dr. Koren graduated from Ohio State University College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Peter Koren'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)Doctors and Clinicians Utilization Data (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. James Peter Koren
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. James Peter Koren's NPI number?
Dr. James Peter Koren's NPI number is 1952360430. It was assigned on March 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Peter Koren?
Dr. James Peter Koren is a general surgeon in Plymouth, New Hampshire. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Peter Koren practice?
Dr. Koren practices at 16 Hospital Road, Plymouth, NH 03264. Dr. Koren's primary practice is Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital. Dmand AI also links Dr. Koren to 1 therapy and rehab clinic.
What is Dr. James Peter Koren's office phone number?
The practice phone on file for Dr. Koren is (603) 536-1120.
What is Dr. James Peter Koren's medical license number?
Dr. Koren holds New Hampshire license 13971, one of the licenses on file in 2 states.
Which states has Dr. James Peter Koren been licensed in?
Dmand AI has state licenses on file for Dr. Koren in New Hampshire and Pennsylvania.
Which hospitals is Dr. James Peter Koren affiliated with?
Dr. Koren practices at Speare Memorial Hospital in Plymouth, New Hampshire.
What medical group is Dr. James Peter Koren part of?
Dr. Koren is linked to Speare Memorial Hospital.
Does Dr. James Peter Koren accept Medicare?
Yes. CMS data shows Dr. Koren billed Medicare for 115 services in 2024, and Dr. Koren accepts Medicare assignment.
How many Medicare patients does Dr. James Peter Koren see?
CMS counts 102 Medicare patients who saw Dr. Koren in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. James Peter Koren bill to Medicare?
In 2024, Dr. Koren's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and office visit, new patient (99202).
Where did Dr. James Peter Koren go to medical school?
Dr. Koren graduated from Ohio State University College of Medicine in 1996.
What drugs does Dr. James Peter Koren prescribe most?
In 2024 Medicare Part D data, Dr. Koren's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. James Peter Koren received payments from drug or device companies?
CMS Open Payments shows $2,663 in general payments to Dr. Koren from 6 companies from 2016 to 2023. The largest total came from Covidien LP.
How long has Dr. James Peter Koren been practicing?
Dr. Koren graduated from medical school in 1996, 30 years ago.
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