Dr. Dennis Han, MD
- Medicare services, 2024
- 1,550
- Medicare patients, 2024
- 650
- Part D claims, 2024
- 1,140
- Hospital affiliations
- 1
- Industry payments
- $882
- Practice address
- 100 Madison Ave, Morristown, NJ 07962
- Practice phone
- Call (973) 971-5450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Dennis Han is a gastroenterologist in Morristown, New Jersey
Dr. Han practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Han's NPI, 1881956050, was assigned on June 13, 2012. Dr. Han holds New Jersey license 25MA10552600.
- NPI
- 1881956050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446586119
- NPI enumeration date
- June 13, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (973) 971-5450
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Han practices at Morristown Medical Center in Morristown, New Jersey
Dr. Han's primary practice is Morristown Medical Center, at 100 Madison Ave, Morristown, NJ 07962 in Morris County. The practice phone is (973) 971-5450.
- Morristown Medical Center100 Madison Ave, Morristown, NJ 07962 · Morris CountyPhone(973) 971-5450
Source: Dmand AI Affiliation Data
Dr. Dennis Han is affiliated with 2 sites of care and 1 medical group
Dr. Han's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. The medical group on file is Summit Health. Dmand AI also links Dr. Han to 1 more ambulatory surgery center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis Han's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Han practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown 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. Dennis Han is one of 691 gastroenterologists in New Jersey
Gastroenterology is Dr. Han's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Han is licensed in New Jersey.
Specialties and state licenses
- Gastroenterology, New JerseyPrimary
Gastroenterologists near Dr. Han
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. Dennis Han billed Medicare for 1,550 services in 2024
CMS data shows 1,550 Medicare services from Dr. Han across 19 procedure codes in 2024, for 650 Medicare patients. Medicare paid $147,181 for them.
Dr. Han's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2762024: 1,07516%
- Surgery
- 2023: 4782024: 4751%
- Lab and pathology
- 2023: 432024: 0100%
- Other services
- 2023: 122024: 0100%
Where Dr. Han's Medicare services took place, 2024
- In an office54135%
- In a facility1,00965%
Dr. Han compared with the New Jersey median for gastroenterologists, 2024
- Dr. Han
- New Jersey median
- Medicare services
- 1,550vs 6852.3 times
- Medicare patients
- 650vs 37573% above
- Part D claims
- 975vs 61160% above
Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Han'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Han treated 650 Medicare patients in 2024, average age 76
CMS counts 650 Medicare patients who saw Dr. Han in 2024. The largest group is 75 to 84, with 254 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.85, 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. Han's median patient age at 61, with 56% women.
Dr. Han's Medicare patients by age, 2024
Dr. Han's Medicare patients by sex, 2024
- Women37357%
- Men27743%
Chronic conditions among Dr. Han's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease41%
- Diabetes34%
- Mood disorders34%
- Anxiety32%
- Chronic kidney disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Han'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
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Han wrote 1,140 Medicare Part D claims in 2024
In 2024, Dr. Han wrote 1,140 Medicare Part D claims for 363 patients. 86% of them were for generic drugs. CMS names the drug for 975 of them, across 18 drugs with 11 or more claims each, at $68,378 in total drug cost. In 2023, CMS named 826 claims across 16 drugs.
Dr. Han's Part D claims by kind of drug, 2024
- Generic983 claims86%
- Brand-name and other157 claims14%
Dr. Han'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. Han's Part D claims, 2024
- Antibiotics5%59 of 1,140 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: 8262024: 97518%
Drugs named by CMS: 18 in 2024, 16 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. Dennis Han ranks in the 97th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Han accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Han as offering telehealth. CMS counts 355 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Han, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Han ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 97th percentile355 procedures
- Colonoscopy
- 91st percentile170 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. Dennis Han received $882 in industry payments from 2016 to 2022
CMS Open Payments shows 21 general payments to Dr. Han from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $296.
General payments to Dr. Han by program year, 2016 to 2022
Companies that paid Dr. Han the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Dennis Han'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) |
| 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. Dennis Han
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. Dennis Han's NPI number?
Dr. Dennis Han's NPI number is 1881956050. It was assigned on June 13, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Han?
Dr. Dennis Han is a gastroenterologist in Morristown, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Dennis Han practice?
Dr. Han practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Han's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Han to 1 ambulatory surgery center.
What is Dr. Dennis Han's office phone number?
The practice phone on file for Dr. Han is (973) 971-5450.
What is Dr. Dennis Han's medical license number?
Dr. Han holds New Jersey license 25MA10552600.
Which hospitals is Dr. Dennis Han affiliated with?
Dr. Han practices at Morristown Medical Center in Morristown, New Jersey.
What medical group is Dr. Dennis Han part of?
Dr. Han is linked to Summit Health.
Does Dr. Dennis Han accept Medicare?
Yes. CMS data shows Dr. Han billed Medicare for 1,550 services in 2024, and Dr. Han accepts Medicare assignment.
Does Dr. Dennis Han offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Han as offering telehealth services.
How many Medicare patients does Dr. Dennis Han see?
CMS counts 650 Medicare patients who saw Dr. Han in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Dennis Han bill to Medicare?
In 2024, Dr. Han's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99222).
What drugs does Dr. Dennis Han prescribe most?
In 2024 Medicare Part D data, Dr. Han's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Dennis Han received payments from drug or device companies?
CMS Open Payments shows $882 in general payments to Dr. Han from 7 companies from 2016 to 2022. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Dennis Han been practicing?
Dr. Han graduated from medical school in 2012, 14 years ago.
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