Mark J. Twardzik, DPM
Foot & Ankle Surgery Podiatrist · Atlantic City, NJ
Mark J. Twardzik, DPM is a foot & ankle surgery podiatrist with a practice address in Atlantic City, New Jersey, and NPI 1801965090, issued on Nov 6, 2006. Check the license (New Jersey MDO1233, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark J. Twardzik
- Credential
- DPM
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- MDO1233 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 4503 Atlantic Ave, Atlantic City, NJ 08401
- Phone
- (609) 344-3900
- Enumerated
- Nov 6, 2006
- Record last updated
- Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (609) 344-8512
- Medicaid ID
- 2285606 NJ
- Medicare enrollment
- Enrolled (PECOS I20100504000302); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Podiatric Medicine, 1979
- Entity
- Type 1 · individual
8 nearest foot & ankle surgery podiatrist records → All 576 in New Jersey → Look up another NPI →
Also registered at 4503 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Berretone, D.M.D.Dentist1841404498
- Alfred Iezzi, DPMFoot Surgery Podiatrist1679643340
Verify Mark J. Twardzik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license MDO1233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
303 Medicare Part D claims for 158 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D.
Most prescribed
- Mupirocin69 claims
- Ammonium Lactate68 claims
- Doxycycline Hyclate51 claims
- Ketoconazole25 claims
- Methylprednisolone12 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: $71.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Organogenesis Inc. The 6,936 providers of this specialty with any payment received $2,972.24 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 2 group practices
- Integrated Foot And Ankle Specialists OF NJ LLCAtlantic City, NJ
- Integrated Foot And Ankle Specialists OF PA LLCPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Twardzik among 576 foot & ankle surgery podiatrist records in New Jersey
Mark J. Twardzik, DPM is one of 576 foot & ankle surgery podiatrist records with a practice address in New Jersey. 89% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 64% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1979 · median 2010 among the 473 with a school on file
- Record last updated2013 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot & Ankle Surgery Podiatrist providers in New Jersey
There are 576 foot & ankle surgery podiatrist records in New Jersey.
All 576 in New Jersey → Every provider in Atlantic City → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- Barry Wisler, DPMMargate City, NJ 084021962401307
- Rodmehr Ajdari, DPMVineland, NJ 083601467716092
- Christopher Berkelbach, DPMVineland, NJ 083601790314839
- Joseph Bisignaro, DPMVineland, NJ 083601457367237
- Matthew Brant, D.P.MVineland, NJ 083601356685572
- Farhad Foroudi, DPMVineland, NJ 083601508388794
- Ryan Hippler, DPMVineland, NJ 083601881212074
- Jeffery Katz, D.P.M.Vineland, NJ 083601902812845
Common questions
What is Mark J. Twardzik, DPM's NPI number?
Mark J. Twardzik, DPM's National Provider Identifier (NPI) is 1801965090, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Twardzik, DPM located?
The NPPES record lists a practice address at 4503 Atlantic Ave, Atlantic City, NJ, 08401. Phone: (609) 344-3900. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Twardzik, DPM's license?
NPPES lists New Jersey license number MDO1233, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Mark J. Twardzik, DPM prescribe under Medicare Part D?
In 2024, Mark J. Twardzik, DPM had 303 Medicare Part D claims for 158 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.