DR. MARK STEVEN WOLFF DDS
NPI 1821258336
Dentist - General Practice in Philadelphia, PA

Active since June 10, 2008PECOS Enrolled
240 S 40TH ST, PHILADELPHIA, PA 19104(215) 898-1038 Get Directions Write a Review

NPPES record last updated: December 10, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mark Steven Wolff Dds NPPES

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

DR. MARK STEVEN WOLFF DDS (NPI 1821258336) is an individual general practice provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (DS041780) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821258336
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK STEVEN WOLFFCredential: DDS
Location Address240 S 40TH STPhiladelphia, PA 19104-6030
Mailing Address240 S 40th StPhiladelphia, PA 19104-6030 · (215) 898-1038
Sole ProprietorYes
Enumeration DateJune 10, 2008
Last NPPES UpdateDecember 10, 2019
✔ NPI 1821258336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Licenses✔ Licensed in PA · DS041780✔ Licensed in NY · 036156
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
240 S 40TH ST, Philadelphia, PA 19104

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Steven Wolff Dds 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 Wolff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
4601 MARKET ST
Philadelphia, PA 19139
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 100 clinicians in this Medicare group

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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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.

Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104
Dentist (General Practice)
240 S 40TH ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
240 S 40TH ST
PHILADELPHIA, PA 19104

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 Wolff's NPI number?

The NPI number for Mark Wolff is 1821258336. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Where is Mark Wolff located?

Mark Wolff practices at 240 S 40th St, Philadelphia, PA 19104. The listed phone number is (215) 898-1038.

What is Mark Wolff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Mark Wolff enrolled in Medicare?

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

Which organization bills Medicare for Mark Wolff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Wolff reassigns Medicare benefits to Public Health Management Corporation (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 Wolff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Wolff accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Anthem Blue Cross and Blue Shield and BEST Life and 17 other insurers list Mark Wolff 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 Wolff was last updated on December 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.