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KELLIE CHRISTENSON M.D.
NPI 1194068106
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Stony Brook, NY

Active since March 28, 2013PECOS Enrolled
STONY BROOK UNIVERSITY HOSPITAL: PEDIATRICS, HSC T-11 / 040, STONY BROOK, NY 11794(631) 444-2020(631) 444-2894 Get Directions Write a Review

NPPES record last updated: June 18, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Kellie Christenson M.d. NPPES

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

KELLIE CHRISTENSON M.D. (NPI 1194068106) is an individual neurology with special qualifications in child neurology provider in Stony Brook, New York, licensed in New York (283190) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194068106
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameKELLIE CHRISTENSONCredential: M.D.
Location AddressSTONY BROOK UNIVERSITY HOSPITAL: PEDIATRICS, HSC T-11 / 040Stony Brook, NY 11794-8111
Mailing AddressStony Brook University Hospital: Pediatrics, Hsc T-11 / 040Stony Brook, NY 11794-8111 · (631) 444-2020 · Fax (631) 444-2894
Phone(631) 444-2020
Fax(631) 444-2894
Sole ProprietorNo
Enumeration DateMarch 28, 2013
Last NPPES UpdateJune 18, 2024
NPPES CertifiedJune 18, 2024
✔ NPI 1194068106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in NY · 283190
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
STONY BROOK UNIVERSITY HOSPITAL: PEDIATRICS, Stony Brook, NY 11794
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kellie Christenson M.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 Kellie Christenson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optum Medical Care, P.C.
38 mi
Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 clinicians in this Medicare group
NPI 1982643003 (914) 241-1050

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 11794 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 Kellie Christenson's NPI number?

The NPI number for Kellie Christenson is 1194068106. It was assigned to this individual provider in the NPPES registry on March 28, 2013.

Where is Kellie Christenson located?

Kellie Christenson practices at Stony Brook University Hospital: Pediatrics Hsc T-11 / 040, Stony Brook, NY 11794. The listed phone number is (631) 444-2020.

What is Kellie Christenson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Kellie Christenson enrolled in Medicare?

Yes. Kellie Christenson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kellie Christenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kellie Christenson reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, 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 Kellie Christenson'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 Kellie Christenson was last updated on June 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.