Dr. Mary Theresa Bessesen, MD
- Part D claims, 2024
- 29
- Publications
- 41
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1055 N Clermont St, Denver, CO 80220
- Practice phone
- Call (913) 578-4409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Medical Center
Denver, Colorado
Find Dr. Bessesen'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. Mary Theresa Bessesen is an infectious disease specialist in Denver, Colorado
Dr. Bessesen practices at VA Medical Center in Denver, Colorado.
Dr. Bessesen's NPI, 1235160672, was assigned on July 5, 2006. Dr. Bessesen holds Colorado license 25940.
- NPI
- 1235160672NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Practice phone
- (913) 578-4409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mary Theresa Bessesen practices at VA Medical Center in Denver, Colorado
Dr. Bessesen's primary practice is VA Medical Center, at 1055 N Clermont St, Denver, CO 80220 in Denver County. The practice phone is (913) 578-4409.
- VA Medical Center1055 N Clermont St, Denver, CO 80220 · Denver CountyPhone(913) 578-4409
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary Theresa Bessesen is affiliated with 1 site of care
Dr. Bessesen's primary practice is VA Medical Center in Denver, Colorado.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mary Theresa Bessesen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bessesen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Theresa Bessesen is one of 155 infectious disease specialists in Colorado
Infectious disease is Dr. Bessesen's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Bessesen is licensed in Colorado.
Specialties and state licenses
- Infectious disease, ColoradoPrimary
Infectious disease specialists near Dr. Bessesen
Counts of infectious disease specialists 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. Mary Theresa Bessesen's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Bessesen's median patient age at 47, with 33% women.
Dr. Bessesen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Mary Theresa Bessesen wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Bessesen wrote 29 Medicare Part D claims. 69% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $26,389 in total drug cost. In 2021, CMS named 36 claims across 3 drugs.
Dr. Bessesen's Part D claims by kind of drug, 2024
- Generic20 claims69%
- Brand-name and other9 claims31%
Dr. Bessesen's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 362022: 1169%
Drugs named by CMS: 1 in 2022, 3 in 2021.
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
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Dr. Mary Theresa Bessesen has 41 publications on record
Dmand AI links 41 papers to Dr. Bessesen, published from 2013 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Health Personnel, Intraabdominal Infections and Pregnancy Complications, Infectious. Dr. Bessesen has published most often in Clin Infect Dis. Dr. Bessesen's most frequent co-authors are Robert A. Bonomo, MD, Trish Marie Perl, MD and Cynthia Livingstone Gibert, MD.
Dr. Bessesen's papers by year, 2015 to 2025
Topics Dr. Bessesen writes about most
- Health Personnel
- Intraabdominal Infections
- Pregnancy Complications, Infectious
- Cross Infection
- Infection Control
- Staphylococcal Infections
- Diagnostic Imaging
- Methicillin-Resistant Staphylococcus aureus
Dr. Bessesen's most frequent co-authors
- Robert A. Bonomo, MD10 shared papers
- Trish Marie Perl, MD10 shared papers
- Cynthia Livingstone Gibert, MD9 shared papers
Recent publications by Dr. Bessesen
Infect Control Hosp Epidemiol
See who Dr. Bessesen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bessesen works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Mary Theresa Bessesen'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Mary Theresa Bessesen
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. Mary Theresa Bessesen's NPI number?
Dr. Mary Theresa Bessesen's NPI number is 1235160672. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Theresa Bessesen?
Dr. Mary Theresa Bessesen is an infectious disease specialist in Denver, Colorado. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Mary Theresa Bessesen practice?
Dr. Bessesen practices at 1055 N Clermont St, Denver, CO 80220. Dr. Bessesen's primary practice is VA Medical Center in Denver, Colorado.
What is Dr. Mary Theresa Bessesen's office phone number?
The practice phone on file for Dr. Bessesen is (913) 578-4409.
What is Dr. Mary Theresa Bessesen's medical license number?
Dr. Bessesen holds Colorado license 25940.
What drugs does Dr. Mary Theresa Bessesen prescribe most?
In 2022 Medicare Part D data, Dr. Bessesen's most prescribed drugs by claims were Prezcobix.
How long has Dr. Mary Theresa Bessesen been practicing?
Dr. Bessesen's NPI was assigned in 2006.
Does Dr. Mary Theresa Bessesen do research?
Dmand AI links 41 publications to Dr. Bessesen, published from 2013 to 2025.
Who does Dr. Mary Theresa Bessesen publish with?
Dr. Bessesen's most frequent co-authors are Robert A. Bonomo, MD (10 shared papers), Trish Marie Perl, MD (10 shared papers) and Cynthia Livingstone Gibert, MD (9 shared papers).
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