BiopsyCarcinoma, Renal CellKidney Neoplasms
Dr. Christopher Leeds Geiger, MD
NPI1124413430
- Medicare services, 2024
- 289
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 531
- Publications
- 4
- Affiliated sites
- 1
- Practice address
- 1055 N Clermont St, Denver, CO 80220
- Practice phone
- Call (913) 578-4409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Medical Center
Denver, Colorado
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Dr. Christopher Leeds Geiger is a medical oncologist in Denver, Colorado
Dr. Geiger practices at VA Medical Center in Denver, Colorado.
Dr. Geiger's NPI, 1124413430, was assigned on April 2, 2015. Dr. Geiger graduated from Emory University School of Medicine in 2015. Dr. Geiger holds Colorado license DR.0065500.
NPI and contact details
- NPI
- 1124413430NPI Registry (opens in a new tab)
- NPI enumeration date
- April 2, 2015
- NPI status
- Active
- Practice phone
- (913) 578-4409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Christopher Leeds Geiger practices at VA Medical Center in Denver, Colorado
Dr. Geiger's primary practice is VA Medical Center, at 1055 N Clermont St, Denver, CO 80220 in Denver County. The practice phone is (913) 578-4409.
- VA Medical Center1055 N Clermont St, Denver, CO 80220 · Denver CountyPhone(913) 578-4409
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Leeds Geiger is affiliated with 2 sites of care and 1 medical group
Dr. Geiger's primary practice is VA Medical Center in Denver, Colorado. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Geiger to 1 more group practice or clinic, named with a free account.
VA Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher Leeds Geiger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Geiger practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Leeds Geiger is one of 91 medical oncologists in Colorado
Medical oncology is Dr. Geiger's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Geiger is board certified in hematology by the American Board of Internal Medicine. Dr. Geiger is licensed in Colorado.
Specialties and state licenses
- Medical oncology, ColoradoPrimary
Medical oncologists near Dr. Geiger
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
91medical oncologists in Colorado
7medical oncologists in Denver
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher Leeds Geiger billed Medicare for 289 services in 2024
CMS data shows 289 Medicare services from Dr. Geiger across 3 procedure codes in 2024, for 68 Medicare patients. Medicare paid $23,951 for them.
Medicare services, 2024289
Medicare patients68
Paid by Medicare$23,951
Procedure codes3
Dr. Geiger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1142024: 19975%
- Other services
- 2023: 02024: 90
Where Dr. Geiger's Medicare services took place, 2024
- In an office176%
- In a facility27294%
Dr. Geiger compared with the Colorado median for medical oncologists, 2024
- Dr. Geiger
- Colorado median
- Medicare services
- 289vs 3066% below
- Medicare patients
- 68vs 12244% below
- Part D claims
- 366vs 24251% above
Medians across 90 medical oncologists in Colorado with Dmand AI profiles that report each measure.
Dr. Geiger'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Leeds Geiger treated 68 Medicare patients in 2024, average age 77
CMS counts 68 Medicare patients who saw Dr. Geiger in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 2.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Geiger's median patient age at 69, with 0% women.
Medicare patients, 202468
Average age77
Average risk score2.53
Dr. Geiger's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Geiger's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol71%
- Arthritis43%
- Chronic kidney disease41%
- Ischemic heart disease26%
- Osteoporosis21%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Geiger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Leeds Geiger wrote 531 Medicare Part D claims in 2024
In 2024, Dr. Geiger wrote 531 Medicare Part D claims for 60 patients. 85% of them were for generic drugs. CMS names the drug for 366 of them, across 10 drugs with 11 or more claims each, at $942,678 in total drug cost. In 2023, CMS named 230 claims across 5 drugs.
Part D claims, 2024531
Drugs named by CMS10
Total drug cost$942,678
Part D patients60
Dr. Geiger's Part D claims by kind of drug, 2024
- Generic451 claims85%
- Brand-name80 claims15%
Dr. Geiger'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 Dr. Geiger's Part D claims, 2024
- Opioids5%29 of 531 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: 2302024: 36659%
Drugs named by CMS: 10 in 2024, 5 in 2023.
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
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Dr. Christopher Leeds Geiger has 4 publications on record
Dmand AI links 4 papers to Dr. Geiger, published from 2021 to 2022. 2022 was the busiest year, with 2. The most frequent topics are Biopsy and Urinary Bladder Neoplasms. Dr. Geiger's most frequent co-authors are Elizabeth Riley Kessler, MD, Stacy Marie Fischer, MD and Samuel George Antoine, MD.
Papers4
Years published2021 to 2022
Topics Dr. Geiger writes about most
- Biopsy
- Urinary Bladder Neoplasms
Dr. Geiger's most frequent co-authors
- Elizabeth Riley Kessler, MD3 shared papers
- Stacy Marie Fischer, MD2 shared papers
- Samuel George Antoine, MD1 shared paper
Recent publications by Dr. Geiger
J Geriatr Oncol
CommunicationDecision MakingOncologists
BiopsyMass ScreeningMultiparametric Magnetic Resonance Imaging
J Natl Compr Canc Netw
Geriatric AssessmentNeoplasm InvasivenessUrinary Bladder Neoplasms
See who Dr. Geiger researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Geiger works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Leeds Geiger graduated from Emory University School of Medicine
Dr. Geiger graduated from Emory University School of Medicine in 2015.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Leeds Geiger'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Christopher Leeds Geiger
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. Christopher Leeds Geiger's NPI number?
Dr. Christopher Leeds Geiger's NPI number is 1124413430. It was assigned on April 2, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Leeds Geiger?
Dr. Christopher Leeds Geiger is a medical oncologist in Denver, Colorado. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Christopher Leeds Geiger practice?
Dr. Geiger practices at 1055 N Clermont St, Denver, CO 80220. Dr. Geiger's primary practice is VA Medical Center in Denver, Colorado. Dmand AI also links Dr. Geiger to 1 group practice or clinic.
What is Dr. Christopher Leeds Geiger's office phone number?
The practice phone on file for Dr. Geiger is (913) 578-4409.
What is Dr. Christopher Leeds Geiger's medical license number?
Dr. Geiger holds Colorado license DR.0065500.
What medical group is Dr. Christopher Leeds Geiger part of?
Dr. Geiger is linked to University of Colorado Medicine (CU Medicine).
Does Dr. Christopher Leeds Geiger accept Medicare?
Yes. CMS data shows Dr. Geiger billed Medicare for 289 services in 2024.
How many Medicare patients does Dr. Christopher Leeds Geiger see?
CMS counts 68 Medicare patients who saw Dr. Geiger in 2024, with an average age of 77.
Is Dr. Christopher Leeds Geiger board certified?
Yes. Dr. Geiger is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Christopher Leeds Geiger bill to Medicare?
In 2024, Dr. Geiger's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and office visit, new patient (99205).
Show 5 more questionsShow fewer questions
Where did Dr. Christopher Leeds Geiger go to medical school?
Dr. Geiger graduated from Emory University School of Medicine in 2015.
What drugs does Dr. Christopher Leeds Geiger prescribe most?
In 2024 Medicare Part D data, Dr. Geiger's most prescribed drugs by claims were Abiraterone Acetate, Prednisone and Dexamethasone.
How long has Dr. Christopher Leeds Geiger been practicing?
Dr. Geiger graduated from medical school in 2015, 11 years ago.
Does Dr. Christopher Leeds Geiger do research?
Dmand AI links 4 publications to Dr. Geiger, published from 2021 to 2022.
Who does Dr. Christopher Leeds Geiger publish with?
Dr. Geiger's most frequent co-authors are Elizabeth Riley Kessler, MD (3 shared papers), Stacy Marie Fischer, MD (2 shared papers) and Samuel George Antoine, MD (1 shared paper).
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