Christopher Kalhorn

  • Washington, DC
  • Neurosurgeon
NPI1609875137PAC ID0547433963
Medicare services, 2024
568
Medicare patients, 2024
350
Publications
12
MIPS score, 2024
83
Hospital affiliations
3
Practice address
3800 Reservoir NW Rd, Washington, DC 20007
Practice phone
Call (202) 444-1400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Medstar Georgetown Medical Center

Washington, District of Columbia

See all 7 affiliations

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Christopher Kalhorn is a neurosurgeon in Washington, District of Columbia

Christopher Kalhorn practices at Medstar Georgetown Medical Center in Washington, District of Columbia.

Christopher Kalhorn's NPI, 1609875137, was assigned on July 18, 2005. Christopher Kalhorn graduated from Loyola University Chicago Stritch School of Medicine in 1996. Christopher Kalhorn holds District of Columbia license 32585.

NPI and contact details
Medicare PAC ID
0547433963
NPI enumeration date
July 18, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(202) 444-1400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Christopher Kalhorn practices at Medstar Georgetown Medical Center in Washington, District of Columbia

Christopher Kalhorn's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.

  • Medstar Georgetown Medical Center
    3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Christopher Kalhorn is affiliated with 5 sites of care and 2 medical groups

Christopher Kalhorn's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Christopher Kalhorn is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Christopher Kalhorn to 2 more hospitals, 1 home health agency and 1 medical group, each named with a free account.

See all 7 affiliations for Christopher Kalhorn

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Christopher Kalhorn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Kalhorn practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Medstar Georgetown Medical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Christopher Kalhorn is one of 34 neurosurgeons in District of Columbia

Neurological surgery is Christopher Kalhorn's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Christopher Kalhorn is licensed in District of Columbia.

Specialties and state licenses

  • Neurological surgery, District of ColumbiaPrimaryLicense 32585 · taxonomy 207T00000X

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Christopher Kalhorn treats.

Neurosurgeons near Christopher Kalhorn

Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Christopher Kalhorn billed Medicare for 568 services in 2024

CMS data shows 568 Medicare services from Christopher Kalhorn across 11 procedure codes in 2024, for 350 Medicare patients. Medicare paid $146,517 for them.

Medicare services, 2024568
Medicare patients350
Paid by Medicare$146,517
Procedure codes11

Christopher Kalhorn's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5412024: 43919%
Surgery
2023: 1152024: 12912%

Where Christopher Kalhorn's Medicare services took place, 2024

  • In an office43977%
  • In a facility12923%

Christopher Kalhorn compared with the District of Columbia median for neurosurgeons, 2024

  • Christopher Kalhorn
  • District of Columbia median
Medicare services
568vs 35261% above
Medicare patients
350vs 26731% above

Medians across 25 neurosurgeons in District of Columbia with Dmand AI profiles that report each measure.

Christopher Kalhorn's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Christopher Kalhorn

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Medicare shows one payer. Book a meeting to get commercial claims data for Christopher Kalhorn and other neurosurgeons in District of Columbia.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Christopher Kalhorn treated 350 Medicare patients in 2024, average age 72

CMS counts 350 Medicare patients who saw Christopher Kalhorn in 2024. The largest group is 65 to 74, with 146 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Christopher Kalhorn's median patient age at 61, with 51% women.

Medicare patients, 2024350
Average age72
Average risk score1.40
Also on Medicaid15%

Christopher Kalhorn's Medicare patients by age, 2024

Christopher Kalhorn's Medicare patients by sex, 2024

  • Women19556%
  • Men15544%

Chronic conditions among Christopher Kalhorn's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure72%
  3. Arthritis70%
  4. Anxiety33%
  5. Mood disorders33%
  6. Depression29%
  7. Ischemic heart disease28%
  8. Diabetes25%

Share of Medicare patients with each condition. A patient can have several.

Christopher Kalhorn's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women51%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Christopher Kalhorn scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Christopher Kalhorn for performance year 2024, reported as part of a group. Christopher Kalhorn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Kalhorn as offering telehealth. CMS counts 27 procedures of laminectomy or laminotomy (partial removal of spine bones) by Christopher Kalhorn, more than 57% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Christopher Kalhorn's MIPS scores, performance year 2024

  • 83of 100Final score
  • 72.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Christopher Kalhorn ranks in Medicare procedure volume

Spinal fusion
45th percentile31 procedures
Laminectomy or laminotomy (partial removal of spine bones)
57th percentile27 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Christopher Kalhorn has 12 publications on record

Dmand AI links 12 papers to Christopher Kalhorn, published from 2007 to 2021. 2014 was the busiest year, with 2. The most frequent topics are Cerebral Cortex, Monitoring, Intraoperative and Parkinson Disease. Christopher Kalhorn has published most often in Front Oncol. Christopher Kalhorn's most frequent co-authors are Kevin McGrail, Jean-Marc M. Voyadzis, MD and Sean P. Collins.

Papers12
Years published2007 to 2021

Christopher Kalhorn's papers by year, 2007 to 2021

Topics Christopher Kalhorn writes about most

  • Cerebral Cortex
  • Monitoring, Intraoperative
  • Parkinson Disease

Christopher Kalhorn's most frequent co-authors

Recent publications by Christopher Kalhorn

See all 12 publications and co-authors

See who Christopher Kalhorn researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Christopher Kalhorn works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Christopher Kalhorn received $2,085 in industry payments from 2016 to 2025

CMS Open Payments shows 8 general payments to Christopher Kalhorn from 5 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 65% of the total. Globus Medical, Inc. paid the most, $707.

General payments to Christopher Kalhorn by program year, 2016 to 2025

General payments to Christopher Kalhorn by kind, 2016 to 2025

$2.1Kin total
  • Travel and lodging$1,35565%
  • Consulting fees$62530%
  • Food and beverage$1055%

Companies that paid Christopher Kalhorn the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Christopher Kalhorn

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Christopher Kalhorn graduated from Loyola University Chicago Stritch School of Medicine

Christopher Kalhorn graduated from Loyola University Chicago Stritch School of Medicine in 1996.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Christopher Kalhorn accepts plans from 18 insurance carriers

Christopher Kalhorn is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Christopher Kalhorn accepts, by number of carriers

  1. PPO12
  2. Medicare11
  3. HMO9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Christopher Kalhorn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Christopher Kalhorn

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Christopher Kalhorn's NPI number?

Christopher Kalhorn's NPI number is 1609875137. It was assigned on July 18, 2005, and it is active in the NPI Registry.

What does Christopher Kalhorn specialize in?

Christopher Kalhorn is a neurosurgeon in Washington, District of Columbia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Christopher Kalhorn practice?

Christopher Kalhorn practices at 3800 Reservoir NW Rd, Washington, DC 20007. Christopher Kalhorn's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Christopher Kalhorn to 2 hospitals, 1 home health agency and 1 medical group.

What is Christopher Kalhorn's office phone number?

The practice phone on file for Christopher Kalhorn is (202) 444-1400.

What is Christopher Kalhorn's medical license number?

Christopher Kalhorn holds District of Columbia license 32585.

Which hospitals is Christopher Kalhorn affiliated with?

Christopher Kalhorn is affiliated with MedStar Washington Hospital Center. Dmand AI links Christopher Kalhorn to 2 more hospitals.

What medical group is Christopher Kalhorn part of?

Christopher Kalhorn is linked to MedStar Medical Group. Dmand AI links Christopher Kalhorn to 1 more medical group.

Does Christopher Kalhorn accept Medicare?

Yes. CMS data shows Christopher Kalhorn billed Medicare for 568 services in 2024, and Christopher Kalhorn accepts Medicare assignment.

Does Christopher Kalhorn offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Christopher Kalhorn as offering telehealth services.

What is Christopher Kalhorn's MIPS score?

Christopher Kalhorn's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Christopher Kalhorn see?

CMS counts 350 Medicare patients who saw Christopher Kalhorn in 2024, with an average age of 72.

What services does Christopher Kalhorn bill to Medicare?

In 2024, Christopher Kalhorn's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).

Where did Christopher Kalhorn go to medical school?

Christopher Kalhorn graduated from Loyola University Chicago Stritch School of Medicine in 1996.

Has Christopher Kalhorn received payments from drug or device companies?

CMS Open Payments shows $2,085 in general payments to Christopher Kalhorn from 5 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.

How long has Christopher Kalhorn been practicing?

Christopher Kalhorn graduated from medical school in 1996, 30 years ago.

Does Christopher Kalhorn do research?

Dmand AI links 12 publications to Christopher Kalhorn, published from 2007 to 2021.

Who does Christopher Kalhorn publish with?

Christopher Kalhorn's most frequent co-authors are Kevin McGrail (4 shared papers), Jean-Marc M. Voyadzis, MD (4 shared papers) and Sean P. Collins (3 shared papers).

What insurance does Christopher Kalhorn accept?

Christopher Kalhorn is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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