Mary Margaret Ryan, MD
Emergency Medicine Physician · Denver, CO
Mary Margaret Ryan, MD is an emergency medicine physician with a practice address in Denver, Colorado, and NPI 1114677481, issued on Mar 28, 2022. Check the license (Colorado DR.0075372, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Margaret Ryan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DR.0075372 CO
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bannock St # MC0108, Denver, CO 80204
- Phone
- (303) 602-5193
- Enumerated
- Mar 28, 2022
- Record last updated
- Jun 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250625004310); may accept Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 777 Bannock St # MC0108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madison AlexanderStudent in an Organized Health Care Education/Training Program1245037266
- Brandon Alford, MDStudent in an Organized Health Care Education/Training Program1275474645
- Tania Allison, MDEmergency Medicine Physician1780386896
- Jasmine Anand, MDStudent in an Organized Health Care Education/Training Program1982406682
- Brayden Ashdown, MDEmergency Medicine Physician1407352628
- Michael BergaminiEmergency Medicine Physician1043915259
Verify Mary Margaret Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0075372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Margaret Ryan among 1,434 emergency medicine physician records in Colorado
Mary Margaret Ryan, MD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 1% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2011 among the 810 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,434 in Colorado → Every provider in Denver → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Breyer, MDDenver, CO 802041063490878
- Kerry Broderick, MDDenver, CO 802041073526331
- Richard Byyny, MDDenver, CO 802041578517082
- Stephen Cantrill, MDDenver, CO 802041821018011
- Katherine Hurlbut, MDDenver, CO 802041518971662
- Michael LiaoDenver, CO 802041336174101
- Lisa Maccormack, MDDenver, CO 802041245289834
- Vincent Markovchick, MDDenver, CO 802041144239088
Common questions
What is Mary Margaret Ryan, MD's NPI number?
Mary Margaret Ryan, MD's National Provider Identifier (NPI) is 1114677481, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Ryan, MD located?
The NPPES record lists a practice address at 777 Bannock St # MC0108, Denver, CO, 80204. Phone: (303) 602-5193. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Ryan, MD's license?
NPPES lists Colorado license number DR.0075372, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.