Brain NeoplasmsCervical VertebraeDiagnosis, Differential
Dr. Brian P. Witwer, MD
NPI1982698148PAC ID6901892348
- Medicare services, 2024
- 246
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 12
- Publications
- 7
- Hospital affiliations
- 3
- Practice address
- 2635 N 7th St, Grand Junction, CO 81501
- Practice phone
- Call (970) 298-2260
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Witwer's professional email, personal email and mobile number
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Dr. Brian P. Witwer is a neurosurgeon in Grand Junction, Colorado
Dr. Witwer practices at St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health.
Dr. Witwer's NPI, 1982698148, was assigned on September 2, 2005. Dr. Witwer graduated from Lewis Katz School of Medicine in 1997. Dr. Witwer holds Colorado license 41914.
NPI and contact details
- NPI
- 1982698148NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901892348
- NPI enumeration date
- September 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 298-2260
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian P. Witwer practices at St. Mary's Regional Hospital in Grand Junction, Colorado
Dr. Witwer's primary practice is St. Mary's Regional Hospital, at 2635 N 7th St, Grand Junction, CO 81501 in Mesa County. The practice phone is (970) 298-2260.
- St. Mary's Regional Hospital2635 N 7th St, Grand Junction, CO 81501 · Mesa CountyPhone(970) 298-2260
Source: Dmand AI Affiliation Data
Dr. Brian P. Witwer is affiliated with 5 sites of care and 2 medical groups
Dr. Witwer's primary practice is St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health. Dr. Witwer is also affiliated with Montrose Regional Health. The medical group on file is Grand Junction Palliative Care. Dmand AI also links Dr. Witwer to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Montrose Regional HealthGrand Junction Palliative Care1 hospitalName with a free account2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. WitwerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian P. Witwer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witwer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Mary's Regional Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian P. Witwer is one of 143 neurosurgeons in Colorado
Neurological surgery is Dr. Witwer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Witwer is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Witwer's licenses on file in 3 states: Colorado, Kentucky and Wisconsin.
Specialties and state licenses
- Neurological surgery, ColoradoPrimary
- Kentucky license
- Wisconsin license
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 Dr. Witwer treats.
Neurosurgeons near Dr. Witwer
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
143neurosurgeons in Colorado
6neurosurgeons in Grand Junction
8neurosurgeons at St. Mary's Regional HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brian P. Witwer billed Medicare for 246 services in 2024
CMS data shows 246 Medicare services from Dr. Witwer across 9 procedure codes in 2024, for 160 Medicare patients. Medicare paid $34,875 for them.
Medicare services, 2024246
Medicare patients160
Paid by Medicare$34,875
Procedure codes9
Dr. Witwer's Medicare services by type, 2024
- Office and hospital visits206
- Surgery40
Where Dr. Witwer's Medicare services took place, 2024
- In an office8936%
- In a facility15764%
Dr. Witwer compared with the Colorado median for neurosurgeons, 2024
- Dr. Witwer
- Colorado median
- Medicare services
- 246vs 13977% above
- Medicare patients
- 160vs 11342% above
Medians across 126 neurosurgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Witwer'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.
Need commercial claims for Dr. Witwer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Witwer and other neurosurgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian P. Witwer treated 160 Medicare patients in 2024, average age 75
CMS counts 160 Medicare patients who saw Dr. Witwer in 2024. The largest group is 75 to 84, with 65 patients. 73% of them have arthritis, and 72% have high blood pressure. 13% 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 Dr. Witwer's median patient age at 72, with 50% women.
Medicare patients, 2024160
Average age75
Average risk score1.40
Also on Medicaid13%
Dr. Witwer's Medicare patients by age, 2024
Dr. Witwer's Medicare patients by sex, 2024
- Women7849%
- Men8251%
Chronic conditions among Dr. Witwer's Medicare patients, 2024
- Arthritis73%
- High blood pressure72%
- High cholesterol61%
- Anxiety37%
- Depression33%
- Mood disorders33%
- Stroke or TIA29%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Witwer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian P. Witwer wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Witwer wrote 12 Medicare Part D claims. 100% of them were for generic drugs.
Part D claims, 202412
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brian P. Witwer ranks in the 68th percentile for spinal fusion in Medicare
Dr. Witwer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 81 procedures of spinal fusion by Dr. Witwer, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Witwer ranks in Medicare procedure volume
- Spinal fusion
- 68th percentile81 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 42nd percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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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Dr. Brian P. Witwer has 7 publications on record
Dmand AI links 7 papers to Dr. Witwer. The most frequent topics are Brain Neoplasms, Brain Mapping and Cervical Vertebrae. Dr. Witwer's most frequent co-authors are Behnam B. Badie, MD, Joseph Alan Frank, MD and Daniel K. Resnick, MD.
Papers7
Topics Dr. Witwer writes about most
- Brain Neoplasms
- Brain Mapping
- Cervical Vertebrae
- Magnetic Resonance Imaging
Dr. Witwer's most frequent co-authors
- Behnam B. Badie, MD2 shared papers
- Joseph Alan Frank, MD1 shared paper
- Daniel K. Resnick, MD1 shared paper
Recent publications by Dr. Witwer
Nat Biotechnol
3T3 CellsAdsorptionbeta-Galactosidase
J Neurotrauma
Brain Tissue TransplantationImmunohistochemistryModels, Animal
Cervical VertebraeDecompression, SurgicalLaminectomy
See who Dr. Witwer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Witwer works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian P. Witwer received $600 in industry payments from 2024 to 2025
CMS Open Payments shows 7 general payments to Dr. Witwer from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $422.
General payments to Dr. Witwer by program year, 2024 to 2025
Companies that paid Dr. Witwer the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian P. Witwer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Witwer.
Awards and honors for Dr. Witwer
- Undated
- AANS Fellow
Source: Dmand AI Professional Profile Data
Dr. Brian P. Witwer graduated from Lewis Katz School of Medicine
Dr. Witwer graduated from Lewis Katz School of Medicine in 1997. Dr. Witwer is a member of AANS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Brian P. Witwer accepts plans from 16 insurance carriers
Dr. Witwer is in network with 16 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Cigna
- HCSC
- Elevance
- Kaiser Permanente
- Aspirus Health Plan
- +8 more carriersWith a free account
Plan types Dr. Witwer accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS6
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian P. Witwer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian P. Witwer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brian P. Witwer's NPI number?
Dr. Brian P. Witwer's NPI number is 1982698148. It was assigned on September 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian P. Witwer?
Dr. Brian P. Witwer is a neurosurgeon in Grand Junction, Colorado. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Brian P. Witwer practice?
Dr. Witwer practices at 2635 N 7th St, Grand Junction, CO 81501. Dr. Witwer's primary practice is St. Mary's Regional Hospital in Grand Junction, Colorado, part of Intermountain Health. Dmand AI also links Dr. Witwer to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Brian P. Witwer's office phone number?
The practice phone on file for Dr. Witwer is (970) 298-2260.
What is Dr. Brian P. Witwer's medical license number?
Dr. Witwer holds Colorado license 41914, one of the licenses on file in 3 states.
Which states has Dr. Brian P. Witwer been licensed in?
Dmand AI has state licenses on file for Dr. Witwer in Colorado (2003 to 2027), Kentucky (2005 to 2007) and Wisconsin (1999 to 2007).
Which hospitals is Dr. Brian P. Witwer affiliated with?
Dr. Witwer practices at St. Mary's Regional Hospital in Grand Junction, Colorado. Dr. Witwer is also affiliated with Montrose Regional Health. Dmand AI links Dr. Witwer to 1 more hospital.
What medical group is Dr. Brian P. Witwer part of?
Dr. Witwer is linked to Grand Junction Palliative Care. Dmand AI links Dr. Witwer to 1 more medical group.
Does Dr. Brian P. Witwer accept Medicare?
Yes. CMS data shows Dr. Witwer billed Medicare for 246 services in 2024, and Dr. Witwer accepts Medicare assignment.
How many Medicare patients does Dr. Brian P. Witwer see?
CMS counts 160 Medicare patients who saw Dr. Witwer in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Brian P. Witwer board certified?
Yes. Dr. Witwer is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Brian P. Witwer bill to Medicare?
In 2024, Dr. Witwer's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and office visit, established patient (99212).
Where did Dr. Brian P. Witwer go to medical school?
Dr. Witwer graduated from Lewis Katz School of Medicine in 1997.
Has Dr. Brian P. Witwer received payments from drug or device companies?
CMS Open Payments shows $600 in general payments to Dr. Witwer from 3 companies from 2024 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Brian P. Witwer been practicing?
Dr. Witwer graduated from medical school in 1997, 29 years ago.
Does Dr. Brian P. Witwer do research?
Dmand AI links 7 publications to Dr. Witwer.
Who does Dr. Brian P. Witwer publish with?
Dr. Witwer's most frequent co-authors are Behnam B. Badie, MD (2 shared papers), Joseph Alan Frank, MD (1 shared paper) and Daniel K. Resnick, MD (1 shared paper).
What insurance does Dr. Brian P. Witwer accept?
Dr. Witwer is in network with 16 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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