Charles Edward Gast
- Medicare services, 2024
- 357
- Medicare patients, 2024
- 227
- Part D claims, 2024
- 242
- Publications
- 8
- Hospital affiliations
- 4
- Practice address
- 1120 E Elizabeth St, Fort Collins, CO 80524
- Practice phone
- Call (970) 221-1177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alpine Ear, Nose & Throat - Fort Collins
Fort Collins, Colorado
Find Charles Gast's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Charles Edward Gast is an otolaryngologist in Fort Collins, Colorado
Charles Gast practices at Alpine Ear, Nose & Throat - Fort Collins in Fort Collins, Colorado.
Charles Gast's NPI, 1659814663, was assigned on November 22, 2016. Charles Gast graduated from Oregon Health Sciences University School of Medicine in 2018. Charles Gast holds Colorado license 0070200.
- NPI
- 1659814663NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779830989
- NPI enumeration date
- November 22, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 221-1177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Charles Edward Gast practices at Alpine Ear, Nose & Throat - Fort Collins in Fort Collins, Colorado
Charles Gast's primary practice is Alpine Ear, Nose & Throat - Fort Collins, at 1120 E Elizabeth St, Fort Collins, CO 80524 in Larimer County. The practice phone is (970) 221-1177.
- Alpine Ear, Nose & Throat - Fort Collins1120 E Elizabeth St, Fort Collins, CO 80524 · Larimer CountyPhone(970) 221-1177
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Charles Edward Gast is affiliated with 6 sites of care and 1 medical group
Charles Gast's primary practice is Alpine Ear, Nose & Throat - Fort Collins in Fort Collins, Colorado. Charles Gast is also affiliated with UCHealth Poudre Valley Hospital. The medical group on file is Alpine Ear, Nose & Throat. Dmand AI also links Charles Gast to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Charles Edward Gast's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Gast practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alpine Ear, Nose & Throat - Fort Collins | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Charles Edward Gast is one of 166 otolaryngologists in Colorado
Otolaryngology is Charles Gast's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Charles Gast is licensed in Colorado.
Specialties and state licenses
- Otolaryngology, ColoradoPrimary
Otolaryngologists near Charles Gast
Counts of otolaryngologists 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
Charles Edward Gast billed Medicare for 357 services in 2024
CMS data shows 357 Medicare services from Charles Gast across 8 procedure codes in 2024, for 227 Medicare patients. Medicare paid $33,773 for them. Every service was in an office.
Charles Gast's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 932024: 251170%
- Surgery
- 2023: 402024: 106165%
Charles Gast compared with the Colorado median for otolaryngologists, 2024
- Charles Gast
- Colorado median
- Medicare services
- 357vs 55035% below
- Medicare patients
- 227vs 25110% below
- Part D claims
- 157vs 152Close to median
Medians across 168 otolaryngologists in Colorado with Dmand AI profiles that report each measure.
Charles Gast'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 Charles Gast?
Medicare shows one payer. Book a meeting to get commercial claims data for Charles Gast and other otolaryngologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Charles Edward Gast treated 227 Medicare patients in 2024, average age 74
CMS counts 227 Medicare patients who saw Charles Gast in 2024. The largest group is 65 to 74, with 118 patients. 65% of them have high cholesterol, and 62% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Charles Gast's median patient age at 45, with 52% women.
Charles Gast's Medicare patients by age, 2024
Charles Gast's Medicare patients by sex, 2024
- Women12354%
- Men10446%
Chronic conditions among Charles Gast's Medicare patients, 2024
- High cholesterol65%
- High blood pressure62%
- Arthritis45%
- Mood disorders24%
- Ischemic heart disease23%
- Depression22%
- Anxiety20%
- COPD19%
Share of Medicare patients with each condition. A patient can have several.
Charles Gast's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles Edward Gast wrote 242 Medicare Part D claims in 2024
In 2024, Charles Gast wrote 242 Medicare Part D claims for 122 patients. 99% of them were for generic drugs. CMS names the drug for 157 of them, across 7 drugs with 11 or more claims each, at $2,488 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Charles Gast's Part D claims by kind of drug, 2024
- Generic239 claims99%
- Brand-name and other3 claims1%
Charles Gast'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 Charles Gast's Part D claims, 2024
- Opioids10%24 of 242 claims
- Antibiotics7%16 of 242 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: 242024: 157554%
Drugs named by CMS: 7 in 2024, 2 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
How Charles Edward Gast takes part in Medicare
Charles Gast accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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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Charles Edward Gast has 8 publications on record
Dmand AI links 8 papers to Charles Gast, published from 2013 to 2021. 2013 was the busiest year, with 2. The most frequent topics are Antifungal Agents, Cryptococcosis and Cryptococcus gattii. Charles Gast's most frequent co-authors are Luai Zarour, MD, Jerry Jeff Jaboin, MD and Brett C. Sheppard, MD.
Charles Gast's papers by year, 2013 to 2021
Topics Charles Gast writes about most
- Antifungal Agents
- Cryptococcosis
- Cryptococcus gattii
- Cryptococcus neoformans
- Gene Expression
- Microbial Sensitivity Tests
- Northwestern United States
- Saccharomyces cerevisiae
Charles Gast's most frequent co-authors
- Luai Zarour, MD4 shared papers
- Jerry Jeff Jaboin, MD2 shared papers
- Brett C. Sheppard, MD2 shared papers
Recent publications by Charles Gast
See who Charles Gast researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Charles Gast works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Charles Edward Gast received $439 in industry payments from 2023 to 2025
CMS Open Payments shows 11 general payments to Charles Gast from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $151.
General payments to Charles Gast by program year, 2023 to 2025
Companies that paid Charles Gast the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Charles Edward Gast graduated from Oregon Health Sciences University School of Medicine
Charles Gast graduated from Oregon Health Sciences University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Charles Edward Gast'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) |
| 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) |
| 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 Charles Edward Gast
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles Edward Gast's NPI number?
Charles Edward Gast's NPI number is 1659814663. It was assigned on November 22, 2016, and it is active in the NPI Registry.
What does Charles Edward Gast specialize in?
Charles Edward Gast is an otolaryngologist in Fort Collins, Colorado. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Charles Edward Gast practice?
Charles Gast practices at 1120 E Elizabeth St, Fort Collins, CO 80524. Charles Gast's primary practice is Alpine Ear, Nose & Throat - Fort Collins in Fort Collins, Colorado. Dmand AI also links Charles Gast to 3 hospitals and 1 group practice or clinic.
What is Charles Edward Gast's office phone number?
The practice phone on file for Charles Gast is (970) 221-1177.
What is Charles Edward Gast's medical license number?
Charles Gast holds Colorado license 0070200.
Which hospitals is Charles Edward Gast affiliated with?
Charles Gast is affiliated with UCHealth Poudre Valley Hospital. Dmand AI links Charles Gast to 3 more hospitals.
What medical group is Charles Edward Gast part of?
Charles Gast is linked to Alpine Ear, Nose & Throat.
Does Charles Edward Gast accept Medicare?
Yes. CMS data shows Charles Gast billed Medicare for 357 services in 2024, and Charles Gast accepts Medicare assignment.
How many Medicare patients does Charles Edward Gast see?
CMS counts 227 Medicare patients who saw Charles Gast in 2024, with an average age of 74.
What services does Charles Edward Gast bill to Medicare?
In 2024, Charles Gast's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and office visit, new patient (99204).
Show 6 more questionsShow fewer questions
Where did Charles Edward Gast go to medical school?
Charles Gast graduated from Oregon Health Sciences University School of Medicine in 2018.
What drugs does Charles Edward Gast prescribe most?
In 2024 Medicare Part D data, Charles Gast's most prescribed drugs by claims were Ipratropium Bromide, Omeprazole and Oxycodone HCl.
Has Charles Edward Gast received payments from drug or device companies?
CMS Open Payments shows $439 in general payments to Charles Gast from 9 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Charles Edward Gast been practicing?
Charles Gast graduated from medical school in 2018, 8 years ago.
Does Charles Edward Gast do research?
Dmand AI links 8 publications to Charles Gast, published from 2013 to 2021.
Who does Charles Edward Gast publish with?
Charles Gast's most frequent co-authors are Luai Zarour, MD (4 shared papers), Jerry Jeff Jaboin, MD (2 shared papers) and Brett C. Sheppard, MD (2 shared papers).
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