Dr. Mark Ryan, MD
- Medicare services, 2018
- 34
- Part D claims, 2018
- 12
- Publications
- 1
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 455 Sherman Street, Denver, CO 80203-4405
- Practice phone
- Call (303) 377-6825
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Colorado Anesthesia Consultants
Surgical practice · Denver, Colorado
Find Dr. Ryan'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.
Dr. Mark Ryan is an anesthesiologist in Castle Rock, Colorado
Dr. Ryan practices at Colorado Anesthesia Consultants in Denver, Colorado.
Dr. Ryan's NPI, 1568497550, was assigned on July 11, 2006. Dr. Ryan holds Colorado license 31459.
- NPI
- 1568497550NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (303) 377-6825
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Ryan practices in Denver and Castle Rock
Dr. Ryan's primary practice is Colorado Anesthesia Consultants, at 455 Sherman Street, Denver, CO 80203-4405. The practice phone is (303) 377-6825. The NPI Registry lists Dr. Ryan's practice address as 1055 S Perry St, Castle Rock, CO 80104.
- Colorado Anesthesia ConsultantsPrimary455 Sherman Street, Denver, CO 80203-4405Phone(303) 377-6825
- NPI Registry address1055 S Perry St, Castle Rock, CO 80104 · Douglas CountyPhone(303) 377-6825
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mark Ryan is affiliated with 1 site of care and 1 medical group
Dr. Ryan's primary practice is Colorado Anesthesia Consultants in Denver, Colorado. Dmand AI also links Dr. Ryan to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Colorado Anesthesia Consultants | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Ryan is one of 1,032 anesthesiologists in Colorado
Anesthesiology is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ryan is licensed in Colorado.
Specialties and state licenses
- Anesthesiology, ColoradoPrimary
Anesthesiologists near Dr. Ryan
Counts of anesthesiologists 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
Dr. Mark Ryan billed Medicare for 34 services in 2018
CMS data shows 34 Medicare services from Dr. Ryan across 2 procedure codes in 2018. Medicare paid $2,504 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ryan's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Anesthesia
- 2017: 322018: 1941%
- Imaging
- 2017: 162018: 156%
Dr. Ryan compared with the Colorado median for anesthesiologists, 2018
- Dr. Ryan
- Colorado median
- Medicare services
- 34vs 5336% below
- Part D claims
- 12vs 1729% below
Medians across 977 anesthesiologists in Colorado with Dmand AI profiles that report each measure.
Dr. Ryan's most billed Medicare procedure codes, 2018
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. Ryan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ryan and other anesthesiologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Ryan wrote 12 Medicare Part D claims in 2018
In 2018, Dr. Ryan wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $67 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Dr. Ryan's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 112018: 129%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark Ryan has 1 publication on record
Dmand AI links 1 paper to Dr. Ryan in 2020. Dr. Ryan's most frequent co-author is Michael Thomas Reeder, DO.
Dr. Ryan's most frequent co-authors
Recent publications by Dr. Ryan
See who Dr. Ryan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Mark Ryan'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Mark Ryan
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. Mark Ryan's NPI number?
Dr. Mark Ryan's NPI number is 1568497550. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Ryan?
Dr. Mark Ryan is an anesthesiologist in Castle Rock, Colorado. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark Ryan practice?
Dr. Ryan practices at 455 Sherman Street, Denver, CO 80203-4405. Dr. Ryan also practices at 1055 S Perry St, Castle Rock, CO 80104. Dr. Ryan's primary practice is Colorado Anesthesia Consultants in Denver, Colorado. Dmand AI also links Dr. Ryan to 1 medical group.
What is Dr. Mark Ryan's office phone number?
The practice phone on file for Dr. Ryan is (303) 377-6825.
What is Dr. Mark Ryan's medical license number?
Dr. Ryan holds Colorado license 31459.
Does Dr. Mark Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 34 services in 2018.
What services does Dr. Mark Ryan bill to Medicare?
In 2018, Dr. Ryan's most billed Medicare services were anesthesia (00142) and ultrasound (76942).
What drugs does Dr. Mark Ryan prescribe most?
In 2018 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Lisinopril.
How long has Dr. Mark Ryan been practicing?
Dr. Ryan's NPI was assigned in 2006.
Does Dr. Mark Ryan do research?
Dmand AI links 1 publication to Dr. Ryan.
Who does Dr. Mark Ryan publish with?
Dr. Ryan's most frequent co-authors are Michael Thomas Reeder, DO (1 shared paper).
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