Dr. Kathleen Marie Monahan, DO
- Medicare services, 2024
- 1,974
- Medicare patients, 2024
- 277
- Part D claims, 2024
- 151
- Hospital affiliations
- 4
- Industry payments
- $435
- Practice address
- 4715 Arapahoe Ave, Boulder, CO 80303
- Practice phone
- Call (303) 385-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rocky Mountain Cancer Centers, a Professional
Boulder, Colorado
Find Dr. Monahan's professional email, personal email and mobile number
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Dr. Kathleen Marie Monahan is an internist in Boulder, Colorado
Dr. Monahan practices at Rocky Mountain Cancer Centers, a Professional in Boulder, Colorado.
Dr. Monahan's NPI, 1740712975, was assigned on March 28, 2017. Dr. Monahan graduated from Rocky Vista University College of Osteopathic Med in 2017. Dr. Monahan holds Colorado license DR.0072742.
- NPI
- 1740712975NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375979529
- NPI enumeration date
- March 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (303) 385-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen Marie Monahan practices at Rocky Mountain Cancer Centers, a Professional in Boulder, Colorado
Dr. Monahan's primary practice is Rocky Mountain Cancer Centers, a Professional, at 4715 Arapahoe Ave, Boulder, CO 80303 in Boulder County. The practice phone is (303) 385-2000.
- Rocky Mountain Cancer Centers, a Professional4715 Arapahoe Ave, Boulder, CO 80303 · Boulder CountyPhone(303) 385-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kathleen Marie Monahan is affiliated with 6 sites of care and 2 medical groups
Dr. Monahan's primary practice is Rocky Mountain Cancer Centers, a Professional in Boulder, Colorado. Dr. Monahan is also affiliated with Foothills Hospital. The medical group on file is Rocky Mountain Cancer Centers. Dmand AI also links Dr. Monahan to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kathleen Marie Monahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Monahan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rocky Mountain Cancer Centers, a Professional | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen Marie Monahan is one of 1,668 internists in Colorado
Internal medicine is Dr. Monahan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Monahan is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Monahan
Counts of internists 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. Kathleen Marie Monahan billed Medicare for 1,974 services in 2024
CMS data shows 1,974 Medicare services from Dr. Monahan across 18 procedure codes in 2024, for 277 Medicare patients. Medicare paid $60,308 for them. Every service was in an office.
Dr. Monahan's Medicare services by type, 2020 to 2024
- 2020
- 2024
- Drugs given in the office
- 2020: 02024: 1,348
- Tests and treatments
- 2020: 02024: 421
- Office and hospital visits
- 2020: 782024: 185137%
- Other services
- 2020: 02024: 20
Dr. Monahan compared with the Colorado median for internists, 2024
- Dr. Monahan
- Colorado median
- Medicare services
- 1,974vs 3775.2 times
- Medicare patients
- 277vs 18649% above
- Part D claims
- 69vs 31878% below
Medians across 1,630 internists in Colorado with Dmand AI profiles that report each measure.
Dr. Monahan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Monahan and other internists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen Marie Monahan treated 277 Medicare patients in 2024, average age 74
CMS counts 277 Medicare patients who saw Dr. Monahan in 2024. The largest group is 65 to 74, with 144 patients. 56% of them have cancer, and 56% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Monahan's median patient age at 70, with 79% women.
Dr. Monahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Monahan's Medicare patients by sex, 2024
- Women19570%
- Men8230%
Chronic conditions among Dr. Monahan's Medicare patients, 2024
- Cancer56%
- High cholesterol56%
- High blood pressure49%
- Arthritis46%
- Osteoporosis28%
- Ischemic heart disease22%
- Mood disorders22%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Monahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women79%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen Marie Monahan wrote 151 Medicare Part D claims in 2024
In 2024, Dr. Monahan wrote 151 Medicare Part D claims for 77 patients. 85% of them were for generic drugs. CMS names the drug for 69 of them, across 3 drugs with 11 or more claims each, at $1,205 in total drug cost.
Dr. Monahan's Part D claims by kind of drug, 2024
- Generic128 claims85%
- Brand-name23 claims15%
Dr. Monahan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Dr. Kathleen Marie Monahan offers telehealth to Medicare patients
Dr. Monahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Monahan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kathleen Marie Monahan received $435 in industry payments from 2022 to 2024
CMS Open Payments shows 5 general payments to Dr. Monahan from 3 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 63% of the total. BeiGene, Ltd. paid the most, $178.
General payments to Dr. Monahan by program year, 2022 to 2024
General payments to Dr. Monahan by kind, 2022 to 2024
- Food and beverage$27363%
- Education$16237%
Companies that paid Dr. Monahan the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen Marie Monahan graduated from Rocky Vista University College of Osteopathic Med
Dr. Monahan graduated from Rocky Vista University College of Osteopathic Med in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen Marie Monahan'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 DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Kathleen Marie Monahan
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. Kathleen Marie Monahan's NPI number?
Dr. Kathleen Marie Monahan's NPI number is 1740712975. It was assigned on March 28, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen Marie Monahan?
Dr. Kathleen Marie Monahan is an internist in Boulder, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kathleen Marie Monahan practice?
Dr. Monahan practices at 4715 Arapahoe Ave, Boulder, CO 80303. Dr. Monahan's primary practice is Rocky Mountain Cancer Centers, a Professional in Boulder, Colorado. Dmand AI also links Dr. Monahan to 3 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Kathleen Marie Monahan's office phone number?
The practice phone on file for Dr. Monahan is (303) 385-2000.
What is Dr. Kathleen Marie Monahan's medical license number?
Dr. Monahan holds Colorado license DR.0072742.
Which hospitals is Dr. Kathleen Marie Monahan affiliated with?
Dr. Monahan is affiliated with Foothills Hospital. Dmand AI links Dr. Monahan to 3 more hospitals.
What medical group is Dr. Kathleen Marie Monahan part of?
Dr. Monahan is linked to Rocky Mountain Cancer Centers. Dmand AI links Dr. Monahan to 1 more medical group.
Does Dr. Kathleen Marie Monahan accept Medicare?
Yes. CMS data shows Dr. Monahan billed Medicare for 1,974 services in 2024, and Dr. Monahan accepts Medicare assignment.
Does Dr. Kathleen Marie Monahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Monahan as offering telehealth services.
How many Medicare patients does Dr. Kathleen Marie Monahan see?
CMS counts 277 Medicare patients who saw Dr. Monahan in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Kathleen Marie Monahan bill to Medicare?
In 2024, Dr. Monahan's most billed Medicare services were injected or infused drug (J1568), injected or infused drug (J1100) and injected or infused drug (J2469).
Where did Dr. Kathleen Marie Monahan go to medical school?
Dr. Monahan graduated from Rocky Vista University College of Osteopathic Med in 2017.
What drugs does Dr. Kathleen Marie Monahan prescribe most?
In 2024 Medicare Part D data, Dr. Monahan's most prescribed drugs by claims were Anastrozole, Letrozole and Tamoxifen Citrate.
Has Dr. Kathleen Marie Monahan received payments from drug or device companies?
CMS Open Payments shows $435 in general payments to Dr. Monahan from 3 companies from 2022 to 2024. The largest total came from BeiGene, Ltd.
How long has Dr. Kathleen Marie Monahan been practicing?
Dr. Monahan graduated from medical school in 2017, 9 years ago.
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