Christopher Kalhorn
NPI 1609875137 · Neurological Surgery Physician · Washington, DC
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kalhorn is a Neurological Surgery Physician provider in Washington, DC (NPI 1609875137).
Provider details
- NPI number
- 1609875137
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 32585 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
568 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 159 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $150 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $193 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 59 | $131 |
| Insertion of Brain Neurostimulator Pulse Device With Connection to 2 Or More Electrode Arrays61886 | 34 | $1,069 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$660 across 1 record (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
- 2005-07-18
- Last updated
- 2012-03-08
Frequently asked questions
- What is Christopher Kalhorn's NPI number?
- Christopher Kalhorn's National Provider Identifier (NPI) is 1609875137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Kalhorn's specialty?
- Christopher Kalhorn is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kalhorn located?
- Christopher Kalhorn's practice location on file with NPPES is 3800 Reservoir Rd Nw, Washington, DC 20007-2113.
- What is Christopher Kalhorn's phone number?
- The practice phone number listed in the NPPES registry for Christopher Kalhorn is (202) 444-4972.
- Does Christopher Kalhorn accept Medicare?
- Christopher Kalhorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Kalhorn's NPI active?
- Yes — Christopher Kalhorn's NPI (1609875137) is active in the NPPES registry as of the last update on 2012-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.