MARK W. CASTALDI MD
NPI 1447275185
Radiology - Diagnostic Radiology in Philadelphia, PA

Q: What is Mark Castaldi's NPI number?

The NPI number for Mark Castaldi is 1447275185. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Q: Where is Mark Castaldi located?

Mark Castaldi practices at 3998 Red Lion Road, Philadelphia, PA 19114. The listed phone number is (952) 595-1100.

Q: What is Mark Castaldi's specialty?

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

Q: Is Mark Castaldi enrolled in Medicare?

Yes. Mark Castaldi 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.

Q: Which organizations bill Medicare for Mark Castaldi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Castaldi reassigns Medicare benefits to 18 organizations: Radiology Affiliates Of Central New Jersey PC (Hamilton, NJ), Princeton Radiology Associates, P.A. (Jamesburg, NJ), East Brunswick Open Upright Mri LLC (East Brunswick, NJ), Open Mri Radiology LLC (Iselin, NJ), Middletown Ventures Associates LLC (Middletown, NJ) and 13 more organizations, listed in the Medicare section above. 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 Castaldi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Q: When was this NPI record last updated?

The NPPES record for Mark Castaldi was last updated on December 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment

3998 RED LION ROAD, PHILADELPHIA, PA 19114(952) 595-1100(952) 942-3361 Get Directions Write a Review

NPPES record last updated: December 22, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Mark W. Castaldi Md NPPES

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

MARK W. CASTALDI MD (NPI 1447275185) is an individual diagnostic radiology provider in Philadelphia, Pennsylvania, licensed in New Jersey (25MA08228400) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1447275185

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMARK W. CASTALDICredential: MD

Location Address3998 RED LION ROADPhiladelphia, PA 19114-1436

Mailing Address11995 Singletree Ln, Ste 500Eden Prairie, MN 55344-5347 · (952) 595-1100 · Fax (952) 942-3361

Phone(952) 595-1100

Fax(952) 942-3361

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateJuly 13, 2006

Last NPPES UpdateDecember 22, 2011

✔ NPI 1447275185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in NJ · 25MA08228400✔ Licensed in PA · MD437701

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Body ImagingTaxonomy 2085B0100X · License MD437701 (PA), 25MA08228400 (NJ)

3998 RED LION ROAD, Philadelphia, PA 19114

Open in Google Maps ↗

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

Mark W. Castaldi Md 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 ID6103888755

PECOS Enrollment IDI20041027000513, I20080505000272

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

Medicare enrollment records show Mark Castaldi reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology Affiliates Of Central New Jersey PC

19 mi

Diagnostic Radiology

2501 KUSER RD
Hamilton, NJ 08691

Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
130 clinicians in this Medicare group

NPI 1811994791 (609) 585-8800

Princeton Radiology Associates, P.A.

33 mi

Diagnostic Radiology

9 CENTRE DRIVE, PRINCETON RADIOLOGY ASSOCIATES, P.A.
Jamesburg, NJ 08831

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Princeton Radiology Associates PA
84 clinicians in this Medicare group

NPI 1063527232 (609) 655-1448

East Brunswick Open Upright Mri LLC

38 mi

Radiology

620 CRANBURY RD
East Brunswick, NJ 08816

Reassigned Medicare billing, New Jersey enrollment
42 clinicians in this Medicare group

NPI 1689619546 (732) 698-1717

Open Mri Radiology LLC

50 mi

Radiology

530 GREEN ST LOWR LEVEL
Iselin, NJ 08830

Reassigned Medicare billing, New Jersey enrollment
50 clinicians in this Medicare group

NPI 1760426589 (732) 326-1515

Middletown Ventures Associates LLC

51 mi

Radiology

1275 ROUTE 35
Middletown, NJ 07748

Reassigned Medicare billing, New Jersey enrollment
48 clinicians in this Medicare group

NPI 1235170358 (732) 275-0999

Radiology Associates Of Hackettstown LLC

54 mi

Radiology

57 ROUTE 46, SUITE 212
Hackettstown, NJ 07840

Reassigned Medicare billing, New Jersey enrollment
47 clinicians in this Medicare group

NPI 1407069925 (908) 979-1621

Mri Associates Of Hackettstown LLC

55 mi

Magnetic Resonance Imaging (MRI)

657 WILLOW GROVE ST, SUITE 205
Hackettstown, NJ 07840

Reassigned Medicare billing, New Jersey enrollment
40 clinicians in this Medicare group

NPI 1528394921 (908) 979-1621

The Radiology Group Of New Jersey, LLC

55 mi

Multi-Specialty

651 WILLOW GROVE ST
Hackettstown, NJ 07840

Reassigned Medicare billing, New Jersey enrollment
429 clinicians in this Medicare group

NPI 1174010540 (908) 979-1621

95 Madison Imaging Center At Morristown Inc

57 mi

Radiology

95 MADISON AVE STE B02
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
41 clinicians in this Medicare group

NPI 1356692925 (973) 984-1111

Richard J Claps M.D. & Associates P.A.

57 mi

Radiology

95 MADISON AVE STE B03
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Richard J Claps MD & Associates PA
53 clinicians in this Medicare group

NPI 1699857664 (973) 984-1111

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 41

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.

Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml Q9965

Low osmolar contrast material with 100-199 mg/ml iodine concentration is a type of dye used in medical imaging tests. It helps to clearly highlight certain areas in the body, improving the quality of images and aiding in accurate diagnosis. It's generally safe and well-tolerated.

13,129 services157 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

8,247 services92 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.

437 services437 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.

435 services435 patients

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

383 services28 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

269 services269 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

226 services221 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

218 services216 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

212 services197 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

175 services166 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

171 services169 patients

Ultrasound scan of growth for measuring elasticity, first growth 76982

An ultrasound scan of a growth measures its elasticity, which helps understand its nature. For the first growth, a probe glides on the skin over the area of interest, emitting sound waves that create images of the growth. This is non-invasive and painless.

162 services150 patients

Ct scan of heart with evaluation of blood vessel calcium 75571

A CT scan of the heart with evaluation of blood vessel calcium is a non-invasive test that uses X-rays to create detailed images of your heart. It helps in detecting and measuring calcium-containing plaque in the arteries, which can indicate heart disease.

146 services146 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

138 services138 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

125 services120 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

120 services119 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

118 services118 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

111 services108 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

99 services97 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

84 services79 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

81 services80 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

77 services75 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

75 services73 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

72 services70 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

68 services68 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.

68 services67 patients

Limited ultrasound scan of pelvis 76857

A limited ultrasound scan of the pelvis is a non-invasive imaging test. It uses high-frequency sound waves to create pictures of the lower abdomen area. This helps doctors view and assess the health of certain internal structures. It's painless and usually takes about 30 minutes.

64 services63 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

59 services57 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

40 services35 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

32 services32 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

28 services27 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

25 services25 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

24 services23 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.

20 services20 patients

Ct scan of abdomen without contrast 74150

A CT scan of the abdomen without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your abdominal area, including organs like the liver, pancreas, intestines, and kidneys. It helps in diagnosing diseases, injuries, or abnormalities.

18 services18 patients

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.

16 services16 patients

Ct scan of abdomen with contrast 74160

A CT scan of the abdomen with contrast is a diagnostic procedure. A special dye (contrast) is introduced into your body to highlight certain areas in the images. The CT scanner uses X-rays to create detailed pictures of your abdomen, helping doctors diagnose conditions or monitor treatment.

15 services15 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

15 services13 patients

Complete ultrasound scan of joint 76881

A complete ultrasound scan of a joint is a non-invasive procedure using sound waves to create images of your joint. It helps identify problems like inflammation, injury, or disease. It's painless, safe, and doesn't involve radiation.

14 services13 patients

Ct scan of chest before and after contrast 71270

A CT scan of the chest before and after contrast is a non-invasive imaging procedure. Initially, images of the chest are taken without contrast to get a baseline. Then, a contrast dye is administered, usually through a vein, to highlight specific areas, making them easier to see. The procedure helps in diagnosing various chest conditions.

11 services11 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19114 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.

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%61 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

100%33 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%1,152 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%259 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%104 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 18

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

ARIA HEALTH PHYSICIAN SERVICES

Obstetrics & Gynecology

3998 RED LION ROAD
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-4000

STEVEN M GELLER DO

Internal Medicine (Pulmonary Disease)

3998 RED LION ROAD, SUITE 250
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-8500

TODD MAKLER MD

Radiology (Vascular & Interventional Radiology)

3998 RED LION ROAD
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-4021

KARTIK J. SHAH MD

Radiology (Diagnostic Radiology)

3998 RED LION ROAD
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-4021

JOEL PAUL MILLER D.O.

Internal Medicine (Cardiovascular Disease)

3998 RED LION ROAD, SUITE 207
PHILADELPHIA, PA 19114

Philadelphia County (215) 824-2859

SEGAL AARONSON PULMONARY ASSOCIATES PC

Internal Medicine (Pulmonary Disease)

3998 RED LION ROAD, SUITE 250
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-8500

JOHN P. MACKRELL MD

Radiology (Diagnostic Radiology)

3998 RED LION ROAD
PHILADELPHIA, PA 19114

Philadelphia County (952) 595-1301

ROBERT L LANTIERI MD

Radiology (Diagnostic Radiology)

3998 RED LION ROAD
PHILADELPHIA, PA 19114

Philadelphia County (215) 612-4021

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 Castaldi's NPI number?

The NPI number for Mark Castaldi is 1447275185. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Mark Castaldi located?

Mark Castaldi practices at 3998 Red Lion Road, Philadelphia, PA 19114. The listed phone number is (952) 595-1100.

What is Mark Castaldi's specialty?

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

Is Mark Castaldi enrolled in Medicare?

Yes. Mark Castaldi 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 Castaldi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Castaldi reassigns Medicare benefits to 18 organizations: Radiology Affiliates Of Central New Jersey PC (Hamilton, NJ), Princeton Radiology Associates, P.A. (Jamesburg, NJ), East Brunswick Open Upright Mri LLC (East Brunswick, NJ), Open Mri Radiology LLC (Iselin, NJ), Middletown Ventures Associates LLC (Middletown, NJ) and 13 more organizations, listed in the Medicare section above. 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 Castaldi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Castaldi was last updated on December 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.