Mary Margaret Johnston
Emergency Medicine Physician · Fort Collins, CO
Mary Margaret Johnston is an emergency medicine physician with a practice address in Fort Collins, Colorado, and NPI 1073957288, issued on Apr 18, 2013. Check the license (Colorado DR0058358, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Johnston
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DR0058358 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1024 S Lemay Ave, Fort Collins, CO 80524
- Phone
- (970) 495-7000
- Enumerated
- Apr 18, 2013
- Record last updated
- Sep 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 1024 S Lemay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Margaret Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR0058358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average emergency medicine physician in 2024
180 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 25 claims were for opioids.
Most prescribed
- Cyclobenzaprine Hcl18 claims
- Ondansetron Odt17 claims
- Hydrocodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Mary Margaret Johnston among 1,434 emergency medicine physician records in Colorado
Mary Margaret Johnston 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. Its NPI, issued in 2013, is newer than 73% of them.
- NPI issued2013 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2018 · 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.
All 1,434 in Colorado → Every provider in Fort Collins → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kriss DellotaFort Collins, CO 805241730164708
- Brandon Farmer, M.D.Fort Collins, CO 805241851336077
- David Farstad, MDFort Collins, CO 805241487683132
- Jason GreenFort Collins, CO 805241790758233
- Tara HallahanFort Collins, CO 805241508849514
- Philip JohnstonFort Collins, CO 805241467484733
- Henry LandsgaardFort Collins, CO 805241902889967
- John LuttrellFort Collins, CO 805241891727160
Common questions
What is Mary Margaret Johnston's NPI number?
Mary Margaret Johnston's National Provider Identifier (NPI) is 1073957288, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Johnston located?
The NPPES record lists a practice address at 1024 S Lemay Ave, Fort Collins, CO, 80524. Phone: (970) 495-7000. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Johnston's license?
NPPES lists Colorado license number DR0058358, 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.
How much does Mary Margaret Johnston prescribe under Medicare Part D?
In 2024, Mary Margaret Johnston had 180 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mary Margaret Johnston's MIPS final score?
The 2023 MIPS final score is 88.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.