Dr. Kathleen J. Weiss, MD
- Medicare services, 2024
- 83
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 6,624
- Hospital affiliations
- 1
- Industry payments
- $198
- Practice address
- 9695 S Yosemite St, Lone Tree, CO 80124
- Practice phone
- Call (303) 763-4900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New West Physicians Inc
Lone Tree, Colorado
Find Dr. Weiss' 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. Kathleen J. Weiss is an internist in Lone Tree, Colorado
Dr. Weiss practices at New West Physicians Inc in Lone Tree, Colorado.
Dr. Weiss' NPI, 1104077585, was assigned on October 3, 2008. Dr. Weiss graduated from University of Utah School of Medicine in 2008. Dr. Weiss holds Colorado license DR.0050446.
- NPI
- 1104077585NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880869957
- NPI enumeration date
- October 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (303) 763-4900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen J. Weiss practices at New West Physicians Inc in Lone Tree, Colorado
Dr. Weiss' primary practice is New West Physicians Inc, at 9695 S Yosemite St, Lone Tree, CO 80124 in Douglas County. The practice phone is (303) 763-4900.
- New West Physicians Inc9695 S Yosemite St, Lone Tree, CO 80124 · Douglas CountyPhone(303) 763-4900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kathleen J. Weiss is affiliated with 5 sites of care and 3 medical groups
Dr. Weiss' primary practice is New West Physicians Inc in Lone Tree, Colorado. Dr. Weiss is also affiliated with AdventHealth Littleton. The medical group on file is Optumcare Colorado Medical Group. Dmand AI also links Dr. Weiss to 3 more group practices and clinics and 2 medical groups, 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 J. Weiss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weiss practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New West Physicians Inc | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen J. Weiss is one of 1,668 internists in Colorado
Internal medicine is Dr. Weiss' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Weiss is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Weiss' licenses on file in 2 states: Colorado and Ohio.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
- Ohio license
Internists near Dr. Weiss
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 J. Weiss billed Medicare for 83 services in 2024
CMS data shows 83 Medicare services from Dr. Weiss across 3 procedure codes in 2024, for 56 Medicare patients. Medicare paid $5,034 for them. Every service was in an office.
Dr. Weiss' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 372024: 6678%
- Other services
- 2023: 142024: 1721%
Dr. Weiss compared with the Colorado median for internists, 2024
- Dr. Weiss
- Colorado median
- Medicare services
- 83vs 37778% below
- Medicare patients
- 56vs 18670% below
- Part D claims
- 5,972vs 31818.8 times
Medians across 1,630 internists in Colorado with Dmand AI profiles that report each measure.
Dr. Weiss' 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. Weiss and other internists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen J. Weiss treated 56 Medicare patients in 2024, average age 69
CMS counts 56 Medicare patients who saw Dr. Weiss in 2024. 64% of them have high blood pressure, and 54% have high cholesterol. Their average risk score is 0.73, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Weiss' median patient age at 70, with 79% women.
Dr. Weiss' Medicare patients by sex, 2024
- Women4173%
- Men1527%
Chronic conditions among Dr. Weiss' Medicare patients, 2024
- High blood pressure64%
- High cholesterol54%
- Arthritis45%
- Anxiety32%
- Mood disorders32%
- Depression29%
- Osteoporosis21%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weiss' 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%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen J. Weiss wrote 6,624 Medicare Part D claims in 2024
In 2024, Dr. Weiss wrote 6,624 Medicare Part D claims for 779 patients. 84% of them were for generic drugs. CMS names the drug for 5,972 of them, across 111 drugs with 11 or more claims each, at $507,510 in total drug cost. In 2023, CMS named 5,900 claims across 106 drugs.
Dr. Weiss' Part D claims by kind of drug, 2024
- Generic5,548 claims84%
- Brand-name1,047 claims16%
- Other29 claims0%
Dr. Weiss' 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.
Drug classes CMS tracks in Dr. Weiss' Part D claims, 2024
- Opioids2%113 of 6,624 claims
- Antibiotics2%104 of 6,624 claims
- Antipsychotics, patients 65 and over0%11 of 6,624 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,9002024: 5,9721%
Drugs named by CMS: 111 in 2024, 106 in 2023.
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 J. Weiss offers telehealth to Medicare patients
Dr. Weiss accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weiss as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kathleen J. Weiss received $198 in industry payments from 2016 to 2019
CMS Open Payments shows 12 general payments to Dr. Weiss from 9 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $36.
General payments to Dr. Weiss by program year, 2016 to 2019
Companies that paid Dr. Weiss the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen J. Weiss graduated from University of Utah School of Medicine
Dr. Weiss graduated from University of Utah School of Medicine in 2008.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen J. Weiss'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 J. Weiss
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 J. Weiss' NPI number?
Dr. Kathleen J. Weiss' NPI number is 1104077585. It was assigned on October 3, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen J. Weiss?
Dr. Kathleen J. Weiss is an internist in Lone Tree, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kathleen J. Weiss practice?
Dr. Weiss practices at 9695 S Yosemite St, Lone Tree, CO 80124. Dr. Weiss' primary practice is New West Physicians Inc in Lone Tree, Colorado. Dmand AI also links Dr. Weiss to 3 group practices and clinics and 2 medical groups.
What is Dr. Kathleen J. Weiss' office phone number?
The practice phone on file for Dr. Weiss is (303) 763-4900.
What is Dr. Kathleen J. Weiss' medical license number?
Dr. Weiss holds Colorado license DR.0050446, one of the licenses on file in 2 states.
Which states has Dr. Kathleen J. Weiss been licensed in?
Dmand AI has state licenses on file for Dr. Weiss in Colorado and Ohio.
Which hospitals is Dr. Kathleen J. Weiss affiliated with?
Dr. Weiss is affiliated with AdventHealth Littleton.
What medical group is Dr. Kathleen J. Weiss part of?
Dr. Weiss is linked to Optumcare Colorado Medical Group. Dmand AI links Dr. Weiss to 2 more medical groups.
Does Dr. Kathleen J. Weiss accept Medicare?
Yes. CMS data shows Dr. Weiss billed Medicare for 83 services in 2024, and Dr. Weiss accepts Medicare assignment.
Does Dr. Kathleen J. Weiss offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Weiss as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Kathleen J. Weiss see?
CMS counts 56 Medicare patients who saw Dr. Weiss in 2024, with an average age of 69.
Is Dr. Kathleen J. Weiss board certified?
Yes. Dr. Weiss is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Kathleen J. Weiss bill to Medicare?
In 2024, Dr. Weiss' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).
Where did Dr. Kathleen J. Weiss go to medical school?
Dr. Weiss graduated from University of Utah School of Medicine in 2008.
What drugs does Dr. Kathleen J. Weiss prescribe most?
In 2024 Medicare Part D data, Dr. Weiss' most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Kathleen J. Weiss received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Weiss from 9 companies from 2016 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Kathleen J. Weiss been practicing?
Dr. Weiss graduated from medical school in 2008, 18 years ago.
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