Dr. Diana M. Breyer, MD
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 44
- Part D claims, 2018
- 31
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1024 S Lemay Ave, Fort Collins, CO 80524
- Practice phone
- Call (970) 495-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Breyer'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. Diana M. Breyer is a pulmonologist in Fort Collins, Colorado
Dr. Breyer practices at UCHealth Poudre Valley Hospital in Fort Collins, Colorado, part of UCHealth.
Dr. Breyer's NPI, 1023088945, was assigned on January 24, 2006. Dr. Breyer graduated from Saint Louis University School Of Medicine in 1993. Dr. Breyer holds Colorado license DR.0037818.
- NPI
- 1023088945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264492685
- NPI enumeration date
- January 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 495-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana M. Breyer practices at UCHealth Poudre Valley Hospital in Fort Collins, Colorado
Dr. Breyer's primary practice is UCHealth Poudre Valley Hospital, at 1024 S Lemay Ave, Fort Collins, CO 80524 in Larimer County. The practice phone is (970) 495-7000.
- UCHealth Poudre Valley Hospital1024 S Lemay Ave, Fort Collins, CO 80524 · Larimer CountyPhone(970) 495-7000
Source: Dmand AI Affiliation Data
Dr. Diana M. Breyer is affiliated with 4 sites of care and 3 medical groups
Dr. Breyer's primary practice is UCHealth Poudre Valley Hospital in Fort Collins, Colorado, part of UCHealth. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Breyer to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diana M. Breyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Breyer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth Poudre Valley Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana M. Breyer is one of 254 pulmonologists in Colorado
Pulmonary disease is Dr. Breyer's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Breyer is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Breyer's licenses on file in 2 states: Colorado and Iowa.
Specialties and state licenses
- Pulmonary disease, ColoradoPrimary
- Iowa license
Pulmonologists near Dr. Breyer
Counts of pulmonologists 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. Diana M. Breyer billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Breyer across 3 procedure codes in 2024, for 44 Medicare patients. Medicare paid $9,364 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Breyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 792024: 869%
Dr. Breyer compared with the Colorado median for pulmonologists, 2024
- Dr. Breyer
- Colorado median
- Medicare services
- 86vs 35476% below
- Medicare patients
- 44vs 19577% below
- Part D claims
- 31vs 37692% below
Medians across 247 pulmonologists in Colorado with Dmand AI profiles that report each measure.
Dr. Breyer'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 Dr. Breyer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Breyer and other pulmonologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana M. Breyer treated 44 Medicare patients in 2024, average age 72
CMS counts 44 Medicare patients who saw Dr. Breyer in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.34, 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. Breyer's median patient age at 73, with 57% women.
Dr. Breyer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Breyer's Medicare patients by sex, 2024
- Women2148%
- Men2352%
Chronic conditions among Dr. Breyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Chronic kidney disease64%
- Ischemic heart disease59%
- Arthritis57%
- Heart failure57%
- COPD52%
- Depression50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Breyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diana M. Breyer wrote 31 Medicare Part D claims in 2018
In 2018, Dr. Breyer wrote 31 Medicare Part D claims. They cover 2 drugs, with $121,105 in total drug cost. In 2017, CMS named 238 claims across 10 drugs.
Dr. Breyer'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: 2382018: 3187%
Drugs named by CMS: 2 in 2018, 10 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Diana M. Breyer takes part in Medicare
Dr. Breyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Diana M. Breyer has 1 publication on record
Dmand AI links 1 paper to Dr. Breyer in 2021. Dr. Breyer's most frequent co-authors are Christopher B. Davis, MD, Adeel Ahmad Faruki, MD and Read G. Pierce, MD.
Dr. Breyer's most frequent co-authors
- Christopher B. Davis, MD1 shared paper
- Adeel Ahmad Faruki, MD1 shared paper
- Read G. Pierce, MD1 shared paper
Recent publications by Dr. Breyer
See who Dr. Breyer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Breyer works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diana M. Breyer received $486 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Breyer from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abiomed paid the most, $172.
General payments to Dr. Breyer by program year, 2016 to 2025
General payments to Dr. Breyer by kind, 2016 to 2025
- Food and beverage$47497%
- Education$133%
Companies that paid Dr. Breyer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diana M. Breyer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Breyer, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Breyer
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Diana M. Breyer graduated from Saint Louis University School Of Medicine
Dr. Breyer graduated from Saint Louis University School Of Medicine in 1993.
- Medical school
- Board certified in critical care medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Diana M. Breyer accepts plans from 16 insurance carriers
Dr. Breyer is in network with 16 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Aetna
- Alliant Health Plans
- Aspirus Health Plan
- +8 more carriersWith a free account
Plan types Dr. Breyer accepts, by number of carriers
- PPO12
- Medicare9
- HMO8
- POS6
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Diana M. Breyer'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Diana M. Breyer
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. Diana M. Breyer's NPI number?
Dr. Diana M. Breyer's NPI number is 1023088945. It was assigned on January 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana M. Breyer?
Dr. Diana M. Breyer is a pulmonologist in Fort Collins, Colorado. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Diana M. Breyer practice?
Dr. Breyer practices at 1024 S Lemay Ave, Fort Collins, CO 80524. Dr. Breyer's primary practice is UCHealth Poudre Valley Hospital in Fort Collins, Colorado, part of UCHealth. Dmand AI also links Dr. Breyer to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Diana M. Breyer's office phone number?
The practice phone on file for Dr. Breyer is (970) 495-7000.
What is Dr. Diana M. Breyer's medical license number?
Dr. Breyer holds Colorado license DR.0037818, one of the licenses on file in 2 states.
Which states has Dr. Diana M. Breyer been licensed in?
Dmand AI has state licenses on file for Dr. Breyer in Colorado (1999 to 2027) and Iowa (1993 to 1999).
Which hospitals is Dr. Diana M. Breyer affiliated with?
Dr. Breyer practices at UCHealth Poudre Valley Hospital in Fort Collins, Colorado. Dmand AI links Dr. Breyer to 1 more hospital.
What medical group is Dr. Diana M. Breyer part of?
Dr. Breyer is linked to UCHealth Medical Group. Dmand AI links Dr. Breyer to 2 more medical groups.
Does Dr. Diana M. Breyer accept Medicare?
Yes. CMS data shows Dr. Breyer billed Medicare for 86 services in 2024, and Dr. Breyer accepts Medicare assignment.
How many Medicare patients does Dr. Diana M. Breyer see?
CMS counts 44 Medicare patients who saw Dr. Breyer in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. Diana M. Breyer board certified?
Yes. Dr. Breyer is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. Diana M. Breyer bill to Medicare?
In 2024, Dr. Breyer's most billed Medicare services were critical care (99291), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Diana M. Breyer go to medical school?
Dr. Breyer graduated from Saint Louis University School Of Medicine in 1993.
What drugs does Dr. Diana M. Breyer prescribe most?
In 2018 Medicare Part D data, Dr. Breyer's most prescribed drugs by claims were Ventolin Hfa and Letairis.
Has Dr. Diana M. Breyer received payments from drug or device companies?
CMS Open Payments shows $486 in general payments to Dr. Breyer from 7 companies from 2016 to 2025. The largest total came from Abiomed.
How long has Dr. Diana M. Breyer been practicing?
Dr. Breyer graduated from medical school in 1993, 33 years ago.
Does Dr. Diana M. Breyer do research?
Dmand AI links 1 publication to Dr. Breyer.
Who does Dr. Diana M. Breyer publish with?
Dr. Breyer's most frequent co-authors are Christopher B. Davis, MD (1 shared paper), Adeel Ahmad Faruki, MD (1 shared paper) and Read G. Pierce, MD (1 shared paper).
What insurance does Dr. Diana M. Breyer accept?
Dr. Breyer is in network with 16 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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