Christopher Kellner, M.D.
NPI 1457504490 · Neurological Surgery Physician · New York, NY
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kellner, M.D. is a Neurological Surgery Physician provider in New York, NY (NPI 1457504490).
Provider details
- NPI number
- 1457504490
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 281906 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
429 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 160 | $141 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 37 | $18 |
| Imaging of Blood Vessel75898 | 36 | $103 |
| Occlusion of Central Nervous System Or Spinal Cord Artery61624 | 25 | $1,141 |
| Review By Radiologist of Image for Insertion of Material to Block Blood Flow75894 | 24 | $80 |
| Insertion of Tube Into External Neck Artery for Diagnosis Or Treatment With Review By Radiologist |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14,876 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-11-03
- Last updated
- 2022-10-11
- Certified
- 2022-10-05
Frequently asked questions
- What is Christopher Kellner's NPI number?
- Christopher Kellner's National Provider Identifier (NPI) is 1457504490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Kellner's specialty?
- Christopher Kellner is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kellner located?
- Christopher Kellner's practice location on file with NPPES is 1450 Madison Ave, New York, NY 10029-6508.
- What is Christopher Kellner's phone number?
- The practice phone number listed in the NPPES registry for Christopher Kellner is (212) 241-2606.
- Does Christopher Kellner accept Medicare?
- Christopher Kellner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Kellner's NPI active?
- Yes — Christopher Kellner's NPI (1457504490) is active in the NPPES registry as of the last update on 2022-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.