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DR. MARIUS KILLIAN NIKOLAS DITURSI M.D., PH.D.
NPI 1477787612
Pediatrics in Troy, NY

Active since May 01, 2009PECOS Enrolled

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 7, 2025, Jun 24, 2023, Oct 7, 2022 (3 updates tracked since 2022).

About Dr. Marius Killian Nikolas Ditursi M.d., Ph.d. NPPES

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

DR. MARIUS KILLIAN NIKOLAS DITURSI M.D., PH.D. (NPI 1477787612) is an individual pediatrics provider in Troy, New York, licensed in New York (263723) and active in the NPI registry since May 2009. The provider is enrolled in Medicare PECOS and maintains a secondary practice location in Nassau.

NPPES Registry Identity

NPI1477787612
Entity TypeIndividual
Primary Taxonomy208000000X
Provider Legal NameDR. MARIUS KILLIAN NIKOLAS DITURSICredential: M.D., PH.D.
Location Address1495 15TH STTroy, NY 12180-4302
Mailing Address1495 15th StTroy, NY 12180-4302 · (518) 210-5962
Phone(518) 810-4680
Sole ProprietorYes
Enumeration DateMay 1, 2009
Last NPPES UpdateApril 17, 20253 updates tracked since enumeration
NPPES CertifiedApril 17, 2025
✔ NPI 1477787612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 263723
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1495 15TH ST, Troy, NY 12180
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Other Names 1

Former Name (1)Mary Kathleen Riley Williams

Secondary Practice Location 1

Location 140 Krouner RdNassau, NY 12123-2580 · Phone (518) 766-3100

Other Identifiers 1

Medicaid03519624NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marius Killian Nikolas Ditursi M.d., Ph.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 Marius Killian Ditursi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston Children's Health Physicians, LLP
113 mi
Pediatrics
19 SKYLINE DR OFC 1N-D06
Hawthorne, NY 10532
  • Reassigned Medicare billing, New York enrollment
  • 511 clinicians in this Medicare group
NPI 1467454967 (914) 594-2100

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 12180 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Marius Killian Ditursi's NPI number?

The NPI number for Marius Killian Ditursi is 1477787612. It was assigned to this individual provider in the NPPES registry on May 1, 2009. The provider is also known as Mary Kathleen Riley Williams.

Where is Marius Killian Ditursi located?

Marius Killian Ditursi practices at 1495 15th St, Troy, NY 12180. The listed phone number is (518) 810-4680.

What is Marius Killian Ditursi's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Marius Killian Ditursi enrolled in Medicare?

Yes. Marius Killian Ditursi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marius Killian Ditursi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marius Killian Ditursi reassigns Medicare benefits to Boston Children's Health Physicians, LLP (Hawthorne, NY). 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 Marius Killian Ditursi'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 Marius Killian Ditursi was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.