Dr. Mark Dennis Widmann, MD
- Medicare services, 2024
- 1,447
- Medicare patients, 2024
- 421
- Part D claims, 2024
- 51
- Publications
- 2
- Clinical trials
- 1
- 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
Find Dr. Widmann'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 Dennis Widmann is a cardiothoracic surgeon in Morristown, New Jersey
Dr. Widmann practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Widmann's NPI, 1982674248, was assigned on January 26, 2006. Dr. Widmann graduated from Yale University School of Medicine in 1987. Dr. Widmann holds New Jersey license 25MA06311100.
- NPI
- 1982674248NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284610148
- NPI enumeration date
- January 26, 2006
- 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
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Dennis Widmann practices at Morristown Medical Center in Morristown, New Jersey
Dr. Widmann'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. Mark Dennis Widmann is affiliated with 5 sites of care and 1 medical group
Dr. Widmann's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dr. Widmann is also affiliated with Chilton Medical Center. The medical group on file is Atlantic Medical Group. Dmand AI also links Dr. Widmann to 3 more hospitals, each 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 Dennis Widmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Widmann practices, 5 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 |
| +4 more affiliated sites | 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 Atlantic Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Dennis Widmann is one of 138 cardiothoracic surgeons in New Jersey
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Widmann's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Widmann is licensed in New Jersey.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), New JerseyPrimary
Cardiothoracic surgeons near Dr. Widmann
Counts of cardiothoracic 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. Mark Dennis Widmann billed Medicare for 1,447 services in 2024
CMS data shows 1,447 Medicare services from Dr. Widmann across 22 procedure codes in 2024, for 421 Medicare patients. Medicare paid $322,691 for them.
Dr. Widmann's Medicare services by type, 2024
- Office and hospital visits856
- Surgery591
Where Dr. Widmann's Medicare services took place, 2024
- In an office56839%
- In a facility87961%
Dr. Widmann compared with the New Jersey median for cardiothoracic surgeons, 2024
- Dr. Widmann
- New Jersey median
- Medicare services
- 1,447vs 1748.3 times
- Medicare patients
- 421vs 1303.2 times
- Part D claims
- 12vs 1729% below
Medians across 127 cardiothoracic surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Widmann'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. Widmann?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Widmann and other cardiothoracic surgeons in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Dennis Widmann treated 421 Medicare patients in 2024, average age 75
CMS counts 421 Medicare patients who saw Dr. Widmann in 2024. The largest group is 75 to 84, with 182 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.72, 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. Widmann's median patient age at 70, with 56% women.
Dr. Widmann's Medicare patients by age, 2024
Dr. Widmann's Medicare patients by sex, 2024
- Women24257%
- Men17943%
Chronic conditions among Dr. Widmann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer59%
- COPD55%
- Arthritis51%
- Ischemic heart disease43%
- Anxiety32%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Widmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
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. Mark Dennis Widmann wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Widmann wrote 51 Medicare Part D claims for 42 patients. 86% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $140 in total drug cost.
Dr. Widmann's Part D claims by kind of drug, 2024
- Generic44 claims86%
- Brand-name and other7 claims14%
Dr. Widmann'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. Widmann's Part D claims, 2024
- Antibiotics45%23 of 51 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Mark Dennis Widmann offers telehealth to Medicare patients
Dr. Widmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Widmann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Dennis Widmann has 2 publications on record
Dmand AI links 2 papers to Dr. Widmann, published from 2014 to 2024. Dr. Widmann's most frequent co-authors are Edson H. Cheung, MD, Erik Gary Cohen, MD and Cliff P. Connery, MD.
Dr. Widmann's most frequent co-authors
- Edson H. Cheung, MD1 shared paper
- Erik Gary Cohen, MD1 shared paper
- Cliff P. Connery, MD1 shared paper
Recent publications by Dr. Widmann
See who Dr. Widmann researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Widmann works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Dennis Widmann has worked on 1 clinical trial
Dmand AI links Dr. Widmann to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung and Carcinoma, Bronchogenic.
Conditions in Dr. Widmann's trials
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Bronchogenic
Investigators on the most trials with Dr. Widmann
Recent clinical trials with Dr. Widmann
Genetic Testing in Screening Patients With Stage IB-IIIA Non-small Cell Lung Cancer That Has Been or Will Be Removed by Surgery (The ALCHEMIST Screening Trial) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark Dennis Widmann received $22,336 in industry payments from 2024 to 2025
CMS Open Payments shows 44 general payments to Dr. Widmann from 12 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 60% of the total. Ethicon Inc. paid the most, $10,644.
General payments to Dr. Widmann by program year, 2024 to 2025
General payments to Dr. Widmann by kind, 2024 to 2025
- Consulting fees$13,42060%
- Education$4,00018%
- Travel and lodging$2,68612%
- Food and beverage$1,7308%
- Speaker and faculty fees$5002%
Companies that paid Dr. Widmann the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Dennis Widmann graduated from Yale University School of Medicine
Dr. Widmann graduated from Yale University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Dennis Widmann'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Mark Dennis Widmann
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 Dennis Widmann's NPI number?
Dr. Mark Dennis Widmann's NPI number is 1982674248. It was assigned on January 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Dennis Widmann?
Dr. Mark Dennis Widmann is a cardiothoracic surgeon in Morristown, New Jersey. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Mark Dennis Widmann practice?
Dr. Widmann practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Widmann's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Widmann to 3 hospitals.
What is Dr. Mark Dennis Widmann's office phone number?
The practice phone on file for Dr. Widmann is (973) 971-5450.
What is Dr. Mark Dennis Widmann's medical license number?
Dr. Widmann holds New Jersey license 25MA06311100.
Which hospitals is Dr. Mark Dennis Widmann affiliated with?
Dr. Widmann practices at Morristown Medical Center in Morristown, New Jersey. Dr. Widmann is also affiliated with Chilton Medical Center. Dmand AI links Dr. Widmann to 3 more hospitals.
What medical group is Dr. Mark Dennis Widmann part of?
Dr. Widmann is linked to Atlantic Medical Group.
Does Dr. Mark Dennis Widmann accept Medicare?
Yes. CMS data shows Dr. Widmann billed Medicare for 1,447 services in 2024, and Dr. Widmann accepts Medicare assignment.
Does Dr. Mark Dennis Widmann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Widmann as offering telehealth services.
How many Medicare patients does Dr. Mark Dennis Widmann see?
CMS counts 421 Medicare patients who saw Dr. Widmann in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Mark Dennis Widmann bill to Medicare?
In 2024, Dr. Widmann's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and surgery: lungs and airway (31622).
Where did Dr. Mark Dennis Widmann go to medical school?
Dr. Widmann graduated from Yale University School of Medicine in 1987.
What drugs does Dr. Mark Dennis Widmann prescribe most?
In 2024 Medicare Part D data, Dr. Widmann's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Mark Dennis Widmann received payments from drug or device companies?
CMS Open Payments shows $22,336 in general payments to Dr. Widmann from 12 companies from 2024 to 2025. The largest total came from Ethicon Inc.
How long has Dr. Mark Dennis Widmann been practicing?
Dr. Widmann graduated from medical school in 1987, 39 years ago.
Does Dr. Mark Dennis Widmann do research?
Dmand AI links 2 publications to Dr. Widmann, published from 2014 to 2024. Dr. Widmann has worked on 1 clinical trial.
Who does Dr. Mark Dennis Widmann publish with?
Dr. Widmann's most frequent co-authors are Edson H. Cheung, MD (1 shared paper), Erik Gary Cohen, MD (1 shared paper) and Cliff P. Connery, MD (1 shared paper).
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
See cardiothoracic surgeons in New Jersey by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card