Am J Emerg Med
Abdominal PainArrhythmias, CardiacBone Density Conservation Agents
Dr. James R. Penn, MD
NPI1588094569PAC ID9931414174
- Medicare services, 2024
- 1,206
- Medicare patients, 2024
- 521
- Part D claims, 2024
- 974
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 360 Essex St, Hackensack, NJ 07601
- Practice phone
- Call (732) 807-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hmhmg Specialty Care
Hackensack, New Jersey
Find Dr. Penn'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. James R. Penn is a gastroenterologist in Hackensack, New Jersey
Dr. Penn practices at Hmhmg Specialty Care in Hackensack, New Jersey.
Dr. Penn's NPI, 1588094569, was assigned on November 12, 2013. Dr. Penn graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2012. Dr. Penn holds New Jersey license 25MA09660900.
NPI and contact details
- NPI
- 1588094569NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931414174
- NPI enumeration date
- November 12, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 807-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James R. Penn practices at Hmhmg Specialty Care in Hackensack, New Jersey
Dr. Penn's primary practice is Hmhmg Specialty Care, at 360 Essex St, Hackensack, NJ 07601 in Bergen County. The practice phone is (732) 807-0800.
- Hmhmg Specialty Care360 Essex St, Hackensack, NJ 07601 · Bergen CountyPhone(732) 807-0800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James R. Penn is affiliated with 3 sites of care and 2 medical groups
Dr. Penn's primary practice is Hmhmg Specialty Care in Hackensack, New Jersey. Dr. Penn is also affiliated with JFK University Medical Center. The medical group on file is Hackensack Meridian Medical Group. Dmand AI also links Dr. Penn to 1 more group practice or clinic and 1 medical group, each named with a free account.
Hmhmg Specialty CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James R. Penn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Penn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hmhmg Specialty Care | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. James R. Penn is one of 691 gastroenterologists in New Jersey
Gastroenterology is Dr. Penn's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Penn is licensed in New Jersey.
Specialties and state licenses
- Gastroenterology, New JerseyPrimary
Gastroenterologists near Dr. Penn
Counts of gastroenterologists 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 R. Penn billed Medicare for 1,206 services in 2024
CMS data shows 1,206 Medicare services from Dr. Penn across 12 procedure codes in 2024, for 521 Medicare patients. Medicare paid $102,188 for them.
Medicare services, 20241,206
Medicare patients521
Paid by Medicare$102,188
Procedure codes12
Dr. Penn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8792024: 99613%
- Surgery
- 2023: 1992024: 2106%
Where Dr. Penn's Medicare services took place, 2024
- In an office43536%
- In a facility77164%
Dr. Penn compared with the New Jersey median for gastroenterologists, 2024
- Dr. Penn
- New Jersey median
- Medicare services
- 1,206vs 68576% above
- Medicare patients
- 521vs 37539% above
- Part D claims
- 771vs 61126% above
Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Penn'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. Penn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Penn and other gastroenterologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James R. Penn treated 521 Medicare patients in 2024, average age 75
CMS counts 521 Medicare patients who saw Dr. Penn in 2024. The largest group is 65 to 74, with 226 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.71, 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. Penn's median patient age at 62, with 53% women.
Medicare patients, 2024521
Average age75
Average risk score1.71
Also on Medicaid16%
Dr. Penn's Medicare patients by age, 2024
Dr. Penn's Medicare patients by sex, 2024
- Women31761%
- Men20439%
Chronic conditions among Dr. Penn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease46%
- Diabetes45%
- Anxiety32%
- Heart failure31%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Penn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James R. Penn wrote 974 Medicare Part D claims in 2024
In 2024, Dr. Penn wrote 974 Medicare Part D claims for 305 patients. 71% of them were for generic drugs. CMS names the drug for 771 of them, across 20 drugs with 11 or more claims each, at $279,301 in total drug cost. In 2023, CMS named 795 claims across 20 drugs.
Part D claims, 2024974
Drugs named by CMS20
Total drug cost$279,301
Part D patients305
Dr. Penn's Part D claims by kind of drug, 2024
- Generic687 claims71%
- Brand-name287 claims29%
Dr. Penn'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. Penn's Part D claims, 2024
- Antibiotics5%50 of 974 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: 7952024: 7713%
Drugs named by CMS: 20 in 2024, 20 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 R. Penn ranks in the 84th percentile for colonoscopy in Medicare
Dr. Penn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 119 procedures of colonoscopy by Dr. Penn, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Penn ranks in Medicare procedure volume
- Colonoscopy
- 84th percentile119 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 78th percentile106 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James R. Penn has 2 publications on record
Dmand AI links 2 papers to Dr. Penn, published from 2014 to 2015. Dr. Penn's most frequent co-authors are Amay Parikh, MD and Ranita Sharma, MD.
Papers2
Years published2014 to 2015
Dr. Penn's most frequent co-authors
Recent publications by Dr. Penn
See who Dr. Penn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Penn works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James R. Penn received $19,934 in industry payments from 2016 to 2025
CMS Open Payments shows 797 general payments to Dr. Penn from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 59% of the total. Phathom Pharmaceuticals, Inc. paid the most, $8,737.
General payments to Dr. Penn by program year, 2016 to 2025
General payments to Dr. Penn by kind, 2016 to 2025
$19.9Kin total
- Food and beverage$11,84959%
- Speaker and faculty fees$7,95540%
- Education$1301%
Companies that paid Dr. Penn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James R. Penn graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Dr. Penn graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James R. Penn'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 R. Penn
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 R. Penn's NPI number?
Dr. James R. Penn's NPI number is 1588094569. It was assigned on November 12, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. James R. Penn?
Dr. James R. Penn is a gastroenterologist in Hackensack, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. James R. Penn practice?
Dr. Penn practices at 360 Essex St, Hackensack, NJ 07601. Dr. Penn's primary practice is Hmhmg Specialty Care in Hackensack, New Jersey. Dmand AI also links Dr. Penn to 1 group practice or clinic and 1 medical group.
What is Dr. James R. Penn's office phone number?
The practice phone on file for Dr. Penn is (732) 807-0800.
What is Dr. James R. Penn's medical license number?
Dr. Penn holds New Jersey license 25MA09660900.
Which hospitals is Dr. James R. Penn affiliated with?
Dr. Penn is affiliated with JFK University Medical Center.
What medical group is Dr. James R. Penn part of?
Dr. Penn is linked to Hackensack Meridian Medical Group. Dmand AI links Dr. Penn to 1 more medical group.
Does Dr. James R. Penn accept Medicare?
Yes. CMS data shows Dr. Penn billed Medicare for 1,206 services in 2024, and Dr. Penn accepts Medicare assignment.
How many Medicare patients does Dr. James R. Penn see?
CMS counts 521 Medicare patients who saw Dr. Penn in 2024, with an average age of 75.
What services does Dr. James R. Penn bill to Medicare?
In 2024, Dr. Penn's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99222).
Show 6 more questionsShow fewer questions
Where did Dr. James R. Penn go to medical school?
Dr. Penn graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2012.
What drugs does Dr. James R. Penn prescribe most?
In 2024 Medicare Part D data, Dr. Penn's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Dexlansoprazole DR.
Has Dr. James R. Penn received payments from drug or device companies?
CMS Open Payments shows $19,934 in general payments to Dr. Penn from 37 companies from 2016 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.
How long has Dr. James R. Penn been practicing?
Dr. Penn graduated from medical school in 2012, 14 years ago.
Does Dr. James R. Penn do research?
Dmand AI links 2 publications to Dr. Penn, published from 2014 to 2015.
Who does Dr. James R. Penn publish with?
Dr. Penn's most frequent co-authors are Amay Parikh, MD (1 shared paper) and Ranita Sharma, MD (1 shared paper).
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