Mark Dennis Widmann, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Morristown, NJ
Mark Dennis Widmann, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Morristown, New Jersey, and NPI 1982674248, issued on Jan 26, 2006. Check the license (New Jersey 25MA06311100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Dennis Widmann
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 25MA06311100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 644-4844
- Enumerated
- Jan 26, 2006
- Record last updated
- Nov 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (973) 644-4776
- Medicaid ID
- 7781407 NJ
- Medicare enrollment
- Enrolled (PECOS I20040719000784); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 156 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Omar Abdelfattah, MBBCHStudent in an Organized Health Care Education/Training Program1003444167
- Ahmed Abdelhalim, MDInternal Medicine Physician1104386051
- Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify Mark Dennis Widmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA06311100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
51 Medicare Part D claims for 42 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,957.06
22 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Dennis Widmann among 156 thoracic surgery (cardiothoracic vascular surgery) physician records in New Jersey
Mark Dennis Widmann, MD is one of 156 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in New Jersey. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1987 · median 1997 among the 94 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in New Jersey
There are 156 thoracic surgery (cardiothoracic vascular surgery) physician records in New Jersey.
All 156 in New Jersey → Every provider in Morristown → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- John Brown, MDMorristown, NJ 079601164424529
- Christopher Magovern, MDMorristown, NJ 079601043212434
- Grant Parr, MDMorristown, NJ 079601518968692
- Mark Shapiro, M.D.Morristown, NJ 079601720246309
- Nazly Shariati, MDMorristown, NJ 079601992770168
- James Slater, MDMorristown, NJ 079601841292232
- Federico Steiner, M.D.Morristown, NJ 079601598828527
- Benjamin Van Boxtel, M.D.Morristown, NJ 079601962727644
Common questions
What is Mark Dennis Widmann, MD's NPI number?
Mark Dennis Widmann, MD's National Provider Identifier (NPI) is 1982674248, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Dennis Widmann, MD located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 644-4844. Providers update this record themselves, so call before visiting.
How can I verify Mark Dennis Widmann, MD's license?
NPPES lists New Jersey license number 25MA06311100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Dennis Widmann, MD prescribe under Medicare Part D?
In 2024, Mark Dennis Widmann, MD had 51 Medicare Part D claims for 42 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.