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DR. MARK J TWARDZIK DPM
NPI 1801965090
Podiatrist - Foot & Ankle Surgery in Atlantic City, NJ

Active since November 06, 2006PECOS EnrolledAccepts Medicare Assignment
4503 ATLANTIC AVE, ATLANTIC CITY, NJ 08401(609) 344-3900(609) 344-8512 Get Directions Write a Review

NPPES record last updated: June 25, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark J Twardzik Dpm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK J TWARDZIK DPM (NPI 1801965090) is an individual foot & ankle surgery provider in Atlantic City, New Jersey, licensed in New Jersey (MDO1233) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Shore Medical Center, and is a graduate of Temple University School Of Podiatric Medicine (1979).

NPPES Registry Identity

NPI1801965090
Entity TypeIndividualMale
Primary Taxonomy213ES0103X
Provider Legal NameDR. MARK J TWARDZIKCredential: DPM
Location Address4503 ATLANTIC AVEAtlantic City, NJ 08401-5733
Mailing Address4503 Atlantic AveAtlantic City, NJ 08401-5733 · (609) 344-3900 · Fax (609) 344-8512
Phone(609) 344-3900
Fax(609) 344-8512
Sole ProprietorNo
Medical School CMSTemple University School Of Podiatric MedicineGraduated 1979
Enumeration DateNovember 6, 2006
Last NPPES UpdateJune 25, 2013
✔ NPI 1801965090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0103X
License✔ Licensed in NJ · MDO1233
4503 ATLANTIC AVE, Atlantic City, NJ 08401
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type UnspecifiedTW583293NJ
Medicaid2285606NJ
Other583293TVNJ · Medicare Ptan
Medicare UPINT72525NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark J Twardzik Dpm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406984905
PECOS Enrollment IDI20100504000302, I20120302000197
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
297 services198 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
94 services15 patients
Removal of noncancer thickened skin growth, 2-4 growths 11056
This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.
89 services58 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
49 services30 patients
Removal of noncancer thickened skin growth, 1 growth 11055
This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.
25 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Shore Medical Center

Acute Care Hospitals · Somers Point, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310047
Location100 Medical Center WaySomers Point, NJ 08244 · Atlantic County
Emergency services Birthing friendly

Atlanticare Regional Medical Center - City Campus

Acute Care Hospitals · Atlantic City, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310064
Location1925 Pacific AvenueAtlantic City, NJ 08401 · Atlantic County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

INTEGRATED FOOT AND ANKLE SPECIALISTS OF NJ LLC
Podiatrist
4503 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Atlantic County (609) 344-3900
DR. ALFRED J IEZZI JR. DPM
Podiatrist (Foot Surgery)
4503 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Atlantic County (609) 344-3900
ASSOCIATES IN PODIATRIC MEDICINE & SURGERY, PC
Podiatrist (Foot & Ankle Surgery)
4503 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Atlantic County (609) 344-3900
JOSEPH A BERRETONE JR. D.M.D.
Dentist
4503 ATLANTIC AVE
ATLANTIC CITY, NJ 08401
Atlantic County (609) 345-3377

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Twardzik's NPI number?

The NPI number for Mark Twardzik is 1801965090. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is Mark Twardzik located?

Mark Twardzik practices at 4503 Atlantic Ave, Atlantic City, NJ 08401. The listed phone number is (609) 344-3900.

What is Mark Twardzik's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Mark Twardzik enrolled in Medicare?

Yes. Mark Twardzik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Twardzik accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Mark Twardzik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Twardzik affiliated with any hospitals?

According to CMS data, Mark Twardzik is affiliated with Shore Medical Center and Atlanticare Regional Medical Center - City Campus.

When was this NPI record last updated?

The NPPES record for Mark Twardzik was last updated on June 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.