DR. MARK S SILIDKER M.D.
NPI 1598750028
Radiology - Diagnostic Radiology in Doylestown, PA

Active since September 12, 2005PECOS EnrolledAccepts Medicare Assignment
84.4/100
CMS Quality Rating
595 W STATE ST, DOYLESTOWN, PA 18901(215) 345-2290(215) 345-2596 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 29, 2026, Sep 4, 2024 (2 updates tracked since 2024).

About Dr. Mark S Silidker M.d. NPPES

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

DR. MARK S SILIDKER M.D. (NPI 1598750028) is an individual diagnostic radiology provider in Doylestown, Pennsylvania, licensed in Pennsylvania (MD417869) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains a secondary practice location in Freehold.

NPPES Registry Identity

NPI1598750028
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MARK S SILIDKERCredential: M.D.
Location Address595 W STATE STDoylestown, PA 18901-2554
Mailing AddressPo Box 830624Philadelphia, PA 19182-0624 · (800) 666-1816 · Fax (706) 653-0615
Fax(215) 345-2596
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1983
Enumeration DateSeptember 12, 2005
Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1598750028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in PA · MD417869✔ Licensed in NJ · 25MA05035300
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
595 W STATE ST, Doylestown, PA 18901

Secondary Practice Location 1

Location 1901 W Main StFreehold, NJ 07728-2537 · Phone (732) 294-2934 · Fax (732) 294-2582

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark S Silidker M.d. 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 ID7618870072
PECOS Enrollment IDI20040202000129
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 Reassignments

2

Medicare enrollment records show Mark Silidker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
595 W STATE ST
Doylestown, PA 18901
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 21 clinicians in this Medicare group
Diagnostic Radiology
100 MADISON AVE
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 137 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.

Areas of Expertise CMS Part B claims 72

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.

X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
705 services658 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
461 services435 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
417 services345 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
358 services358 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
357 services357 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
217 services217 patients

Hospital Affiliations CMS Care Compare 2

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

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Doylestown Hospital

Acute Care Hospitals · Doylestown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390203
Location595 West State StDoylestown, PA 18901 · Bucks County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18901 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.81
Improvement Activities40

Reported Quality Measures

Appropriate Follow-up Imaging for Incidental Abdominal Lesions
Percentage of final reports for abdominal imaging studies for asymptomatic patients aged 18 years and older with one or more of the following noted incidentally with follow_up imaging recommended: - Liver lesion =< 0.5 cm - Cystic kidney lesion < 1.0 cm -…
Lower rates are better for this measure.
0%40 patients
Nuclear Medicine: Correlation with Existing Imaging Studies for All Patients Undergoing Bone Scintigraphy
Percentage of final reports for all patients, regardless of age, undergoing bone scintigraphy that include physician documentation of correlation with existing relevant imaging studies (e.g., x-ray, MRI, CT, etc.) that were performed
96%25 patients
Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%864 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%398 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%88 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Radiology (Vascular & Interventional Radiology)
595 W STATE ST, DOYLESTOWN RADIOLOGY ASSOCIATES
DOYLESTOWN, PA 18901
Radiology (Diagnostic Radiology)
595 W STATE ST
DOYLESTOWN, PA 18901
Registered Nurse (Critical Care Medicine)
595 W STATE ST
DOYLESTOWN, PA 18901
Anesthesiology
595 W STATE ST
DOYLESTOWN, PA 18901
Anesthesiology
595 W STATE ST
DOYLESTOWN, PA 18901
Nurse Anesthetist, Certified Registered
595 W STATE ST
DOYLESTOWN, PA 18901
Hospitalist
595 W STATE ST
DOYLESTOWN, PA 18901
Anesthesiology
595 W STATE ST
DOYLESTOWN, PA 18901

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 Silidker's NPI number?

The NPI number for Mark Silidker is 1598750028. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Mark Silidker located?

Mark Silidker practices at 595 W State St, Doylestown, PA 18901. The listed phone number is (215) 345-2290.

What is Mark Silidker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mark Silidker enrolled in Medicare?

Yes. Mark Silidker 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.

Which organizations bill Medicare for Mark Silidker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Silidker reassigns Medicare benefits to 2 organizations: Parlee & Tatem Radiologic Associates, Ltd. (Doylestown, PA) and Ancillary Services Of Practice Associates PA (Morristown, NJ). Each 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 Silidker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Silidker affiliated with any hospitals?

According to CMS data, Mark Silidker is affiliated with Hospital Of Univ Of Pennsylvania and Doylestown Hospital.

When was this NPI record last updated?

The NPPES record for Mark Silidker was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.