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ROBERT B. DEN MD
NPI 1083741433
Radiology - Radiation Oncology in Philadelphia, PA

Active since February 27, 2007PECOS Enrolled
111 S 11TH ST, BODINE CENTER, PHILADELPHIA, PA 19107(215) 955-6702(215) 955-5331 Get Directions Write a Review

NPPES record last updated: March 24, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert B. Den Md NPPES

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

ROBERT B. DEN MD (NPI 1083741433) is an individual radiation oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD442953) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083741433
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameROBERT B. DENCredential: MD
Location Address111 S 11TH ST, BODINE CENTERPhiladelphia, PA 19107-4824
Mailing Address111 S 11th St, Bodine CenterPhiladelphia, PA 19107-4824
Phone(215) 955-6702
Fax(215) 955-5331
Sole ProprietorNo
Enumeration DateFebruary 27, 2007
Last NPPES UpdateMarch 24, 2016
✔ NPI 1083741433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in PA · MD442953
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Also ListedInternal MedicineTaxonomy 207R00000X · License L-228192 (MA)
111 S 11TH ST, Philadelphia, PA 19107
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Other Identifiers 3

Medicaid0265454NJ
Medicare PIN2626639PA
Medicaid102612249PA

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert B. Den Md 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 Robert Den reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jefferson University Physicians
0.2 mi
General Practice
33 S. 9TH STREET
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,739 clinicians in this Medicare group
NPI 1326093675 (215) 955-0000

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 19107 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
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.

NICOLE LYNN RENALDI D.O.
Anesthesiology
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6161
LING FAN
Nurse Practitioner (Acute Care)
111 S 11TH ST, GIBBON BLDG., SUITE 6270
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8304
WILLIAM JUSTICE MD
Student in an Organized Health Care Education/Training Program
111 S 11TH ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 995-6000
DR. DAVID P. FRIEDMAN M.D.
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-2900
DR. WALTER K. KRAFT M.D.
Internal Medicine
111 S 11TH ST, SUITE 6270
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6540
DR. TAKI GALANIS M.D.
Internal Medicine
111 S 11TH ST, SUITE 6270
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6540
DR. STEVEN M LUDWIN M.D.
Internal Medicine
111 S 11TH ST, SUITE 2170
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6610
JENNIFER L SWOPE CRNA
Nurse Anesthetist, Certified Registered
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6161

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 Robert Den's NPI number?

The NPI number for Robert Den is 1083741433. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is Robert Den located?

Robert Den practices at 111 S 11th St Bodine Center, Philadelphia, PA 19107. The listed phone number is (215) 955-6702.

What is Robert Den's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Robert Den enrolled in Medicare?

Yes. Robert Den is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Den's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Den reassigns Medicare benefits to Jefferson University Physicians (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 Robert Den's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Den accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Robert Den 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 Robert Den was last updated on March 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.