Christopher Evan Stewart

  • Billings, MT
  • Neurosurgeon
NPI1124360979PAC ID7719212547
Medicare services, 2024
365
Medicare patients, 2024
196
Part D claims, 2024
77
Hospital affiliations
3
Industry payments
$3,986
Practice address
2800 10th Ave N, Billings, MT 59101
Practice phone
Call (406) 657-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Billings Clinic Hospital

Hospital · Billings, Montana

See all 7 affiliations

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Christopher Evan Stewart is a neurosurgeon in Billings, Montana

Christopher Stewart practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.

Christopher Stewart's NPI, 1124360979, was assigned on March 20, 2013. Christopher Stewart holds Montana license 77400.

NPI and contact details
Medicare PAC ID
7719212547
NPI enumeration date
March 20, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(406) 657-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

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

Christopher Evan Stewart practices at Billings Clinic Hospital in Billings, Montana

Christopher Stewart's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.

Source: Dmand AI Affiliation Data

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

Christopher Stewart's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Christopher Stewart is also affiliated with Bozeman Health Deaconess Regional Medical Center. The medical group on file is Billings Clinic. Dmand AI also links Christopher Stewart to 1 more hospital, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account.

See all 7 affiliations for Christopher Stewart

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Christopher Evan Stewart's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Stewart practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Billings Clinic HospitalAvailable 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 Evan Stewart is one of 36 neurosurgeons in Montana

Neurological surgery is Christopher Stewart's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Christopher Stewart is licensed in Montana.

Specialties and state licenses

  • Neurological surgery, MontanaPrimaryLicense MED-PHYS-LIC-77400 · taxonomy 207T00000X

Neurosurgeons near Christopher Stewart

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 Evan Stewart billed Medicare for 365 services in 2024

CMS data shows 365 Medicare services from Christopher Stewart across 15 procedure codes in 2024, for 196 Medicare patients. Medicare paid $77,780 for them.

Medicare services, 2024365
Medicare patients196
Paid by Medicare$77,780
Procedure codes15

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

  • 2023
  • 2024
Office and hospital visits
2023: 2612024: 22912%
Surgery
2023: 562024: 136143%

Where Christopher Stewart's Medicare services took place, 2024

  • In an office154%
  • In a facility35096%

Christopher Stewart compared with the Montana median for neurosurgeons, 2024

  • Christopher Stewart
  • Montana median
Medicare services
365vs 22066% above
Medicare patients
196vs 14832% above
Part D claims
29vs 329% below

Medians across 35 neurosurgeons in Montana with Dmand AI profiles that report each measure.

Christopher Stewart'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 Stewart

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

Christopher Evan Stewart treated 196 Medicare patients in 2024, average age 73

CMS counts 196 Medicare patients who saw Christopher Stewart in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have arthritis, and 72% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Christopher Stewart's median patient age at 71, with 45% women.

Medicare patients, 2024196
Average age73
Average risk score1.25
Also on Medicaid11%

Christopher Stewart's Medicare patients by age, 2024

Christopher Stewart's Medicare patients by sex, 2024

  • Women9146%
  • Men10554%

Chronic conditions among Christopher Stewart's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure72%
  3. High cholesterol65%
  4. Mood disorders38%
  5. Anxiety36%
  6. Depression36%
  7. Diabetes32%
  8. Ischemic heart disease31%

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

Christopher Stewart's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women45%
  • Men54%

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

Christopher Evan Stewart wrote 77 Medicare Part D claims in 2024

In 2024, Christopher Stewart wrote 77 Medicare Part D claims for 42 patients. 100% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $297 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.

Part D claims, 202477
Drugs named by CMS2
Total drug cost$297
Part D patients42

Christopher Stewart's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Christopher Stewart's Part D claims, 2024

  • Opioids22%17 of 77 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 262024: 2912%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Christopher Stewart

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Christopher Evan Stewart ranks in the 89th percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare

Christopher Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Stewart as offering telehealth. CMS counts 78 procedures of laminectomy or laminotomy (partial removal of spine bones) by Christopher Stewart, more than 89% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Christopher Stewart ranks in Medicare procedure volume

Spinal fusion
84th percentile155 procedures
Laminectomy or laminotomy (partial removal of spine bones)
89th percentile78 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); and Doctors and Clinicians Utilization Data (CMS)

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Christopher Evan Stewart received $3,986 in industry payments from 2019 to 2023

CMS Open Payments shows 36 general payments to Christopher Stewart from 5 drug and device companies from 2019 to 2023. Travel and lodging make up the largest share, 77% of the total. Stryker Corporation paid the most, $3,897.

General payments to Christopher Stewart by program year, 2019 to 2023

General payments to Christopher Stewart by kind, 2019 to 2023

$4Kin total
  • Travel and lodging$3,08677%
  • Food and beverage$90023%

Companies that paid Christopher Stewart the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Christopher Stewart

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

Sources for Christopher Evan Stewart'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Evan Stewart

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 Evan Stewart's NPI number?

Christopher Evan Stewart's NPI number is 1124360979. It was assigned on March 20, 2013, and it is active in the NPI Registry.

What does Christopher Evan Stewart specialize in?

Christopher Evan Stewart is a neurosurgeon in Billings, Montana. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Christopher Evan Stewart practice?

Christopher Stewart practices at 2800 10th Ave N, Billings, MT 59101. Christopher Stewart's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Christopher Stewart to 1 hospital, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.

What is Christopher Evan Stewart's office phone number?

The practice phone on file for Christopher Stewart is (406) 657-4000.

What is Christopher Evan Stewart's medical license number?

Christopher Stewart holds Montana license 77400.

Which hospitals is Christopher Evan Stewart affiliated with?

Christopher Stewart practices at Billings Clinic Hospital in Billings, Montana. Christopher Stewart is also affiliated with Bozeman Health Deaconess Regional Medical Center. Dmand AI links Christopher Stewart to 1 more hospital.

What medical group is Christopher Evan Stewart part of?

Christopher Stewart is linked to Billings Clinic. Dmand AI links Christopher Stewart to 1 more medical group.

Does Christopher Evan Stewart accept Medicare?

Yes. CMS data shows Christopher Stewart billed Medicare for 365 services in 2024, and Christopher Stewart accepts Medicare assignment.

Does Christopher Evan Stewart offer telehealth?

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

How many Medicare patients does Christopher Evan Stewart see?

CMS counts 196 Medicare patients who saw Christopher Stewart in 2024, with an average age of 73.

Show 4 more questionsShow fewer questions

What services does Christopher Evan Stewart bill to Medicare?

In 2024, Christopher Stewart's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: bones and joints (22853).

What drugs does Christopher Evan Stewart prescribe most?

In 2024 Medicare Part D data, Christopher Stewart's most prescribed drugs by claims were Tizanidine HCl and Gabapentin.

Has Christopher Evan Stewart received payments from drug or device companies?

CMS Open Payments shows $3,986 in general payments to Christopher Stewart from 5 companies from 2019 to 2023. The largest total came from Stryker Corporation.

How long has Christopher Evan Stewart been practicing?

Christopher Stewart graduated from medical school in 2013, 13 years ago.

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