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MARK R ZAONTZ M.D.
NPI 1346216710
Urology in Philadelphia, PA

Active since February 27, 2006PECOS Enrolled
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA, PHILADELPHIA, PA 19104(215) 590-2754(267) 425-9552 Get Directions Write a Review

NPPES record last updated: November 21, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 21, 2018, Feb 23, 2017 (2 updates tracked since 2017).

About Mark R Zaontz M.d. NPPES

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

MARK R ZAONTZ M.D. (NPI 1346216710) is an individual urology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD040687E) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346216710
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameMARK R ZAONTZCredential: M.D.
Location Address3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIAPhiladelphia, PA 19104-4319
Mailing Address100 E Penn Sq, Wanamaker Bldg 9th FloorPhiladelphia, PA 19107-3323 · (267) 425-9538 · Fax (267) 425-9552
Phone(215) 590-2754
Fax(267) 425-9552
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateNovember 21, 20182 updates tracked since enumeration
✔ NPI 1346216710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Licenses✔ Licensed in PA · MD040687E✔ Licensed in NJ · MA05101600
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
3401 CIVIC CENTER BLVD, Philadelphia, PA 19104
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Other Identifiers 2

Medicaid1131025PA
Medicaid0838004NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark R Zaontz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Mark Zaontz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Surgical Associates Ltd
Same address
Urology
3401 CIVIC CENTER BLVD
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 178 clinicians in this Medicare group
NPI 1003985854 (215) 590-2754

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

AARON DORFMAN M.D.
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - CARDIOLOGY
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-4040
MS. NICOLE MARIE KOEPKE CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - EMERGENCY MED
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1944
DR. CASSANDRA ALYS LIGH MD
Surgery (Plastic and Reconstructive Surgery)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-2208
DR. PREETI SOI
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
ROSALIND USHER M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
3401 CIVIC CENTER BLVD, DIVISION OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-6336
DR. MATTHEW DAVID SCHREIER MD
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
DR. TERRENCE CALDWELL JR. PHARMD
Pharmacist (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
ALYSSA STIEFEL CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000

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 Zaontz's NPI number?

The NPI number for Mark Zaontz is 1346216710. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Mark Zaontz located?

Mark Zaontz practices at 3401 Civic Center Blvd Children's Hospital Of Philadelphia, Philadelphia, PA 19104. The listed phone number is (215) 590-2754.

What is Mark Zaontz's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Mark Zaontz enrolled in Medicare?

Yes. Mark Zaontz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Zaontz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Zaontz reassigns Medicare benefits to Children's Surgical Associates Ltd (Philadelphia, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Zaontz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Zaontz accept?

Health plans from Oscar Health list Mark Zaontz 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.

When was this NPI record last updated?

The NPPES record for Mark Zaontz was last updated on November 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.