Dr. Catherine A. Wittman, MD
- Medicare services, 2024
- 285
- Medicare patients, 2024
- 167
- Part D claims, 2024
- 729
- Publications
- 2
- MIPS score, 2024
- 82
- Practice address
- 1400 Jackson St, Denver, CO 80206
- Practice phone
- Call (303) 388-4461
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wittman'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. Catherine A. Wittman is a pulmonologist in Denver, Colorado
Dr. Wittman practices at National Jewish Health in Denver, Colorado, part of National Jewish Health.
Dr. Wittman's NPI, 1144412610, was assigned on August 17, 2007. Dr. Wittman holds Colorado license 51031.
- NPI
- 1144412610NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618048323
- NPI enumeration date
- August 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (303) 388-4461
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine A. Wittman practices at National Jewish Health in Denver, Colorado
Dr. Wittman's primary practice is National Jewish Health, at 1400 Jackson St, Denver, CO 80206 in Denver County. The practice phone is (303) 388-4461.
- National Jewish Health1400 Jackson St, Denver, CO 80206 · Denver CountyPhone(303) 388-4461
Source: Dmand AI Affiliation Data
Dr. Catherine A. Wittman is affiliated with 4 sites of care and 1 medical group
Dr. Wittman's primary practice is National Jewish Health in Denver, Colorado, part of National Jewish Health. Dr. Wittman is also affiliated with Saint Joseph Hospital. The medical group on file is National Jewish Health. Dmand AI also links Dr. Wittman to 2 more hospitals, each named with a free account. Dr. Wittman's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Catherine A. Wittman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wittman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Jewish Health | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across National Jewish Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Catherine A. Wittman is one of 254 pulmonologists in Colorado
Pulmonary disease is Dr. Wittman's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Wittman's licenses on file in 2 states: Colorado and Pennsylvania.
Specialties and state licenses
- Pulmonary disease, ColoradoPrimary
- Internal medicine, Pennsylvania
Pulmonologists near Dr. Wittman
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. Catherine A. Wittman billed Medicare for 285 services in 2024
CMS data shows 285 Medicare services from Dr. Wittman across 6 procedure codes in 2024, for 167 Medicare patients. Medicare paid $31,843 for them.
Dr. Wittman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2432024: 28517%
Where Dr. Wittman's Medicare services took place, 2024
- In an office145%
- In a facility27195%
Dr. Wittman compared with the Colorado median for pulmonologists, 2024
- Dr. Wittman
- Colorado median
- Medicare services
- 285vs 35419% below
- Medicare patients
- 167vs 19514% below
- Part D claims
- 617vs 37664% above
Medians across 247 pulmonologists in Colorado with Dmand AI profiles that report each measure.
Dr. Wittman'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. Wittman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wittman and other pulmonologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine A. Wittman treated 167 Medicare patients in 2024, average age 74
CMS counts 167 Medicare patients who saw Dr. Wittman in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.79, 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. Wittman's median patient age at 74, with 60% women.
Dr. Wittman's Medicare patients by age, 2024
Dr. Wittman's Medicare patients by sex, 2024
- Women9356%
- Men7444%
Chronic conditions among Dr. Wittman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- COPD58%
- Arthritis52%
- Ischemic heart disease41%
- Mood disorders34%
- Depression33%
- Asthma32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wittman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine A. Wittman wrote 729 Medicare Part D claims in 2024
In 2024, Dr. Wittman wrote 729 Medicare Part D claims for 121 patients. 44% of them were for generic drugs. CMS names the drug for 617 of them, across 22 drugs with 11 or more claims each, at $545,938 in total drug cost. In 2023, CMS named 597 claims across 23 drugs.
Dr. Wittman's Part D claims by kind of drug, 2024
- Generic322 claims44%
- Brand-name407 claims56%
Dr. Wittman'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.
Drug classes CMS tracks in Dr. Wittman's Part D claims, 2024
- Antibiotics2%16 of 729 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: 5972024: 6173%
Drugs named by CMS: 22 in 2024, 23 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. Catherine A. Wittman scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Wittman for performance year 2024, reported as part of a group. Dr. Wittman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wittman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Wittman's MIPS scores, performance year 2024
- 82of 100Final score
- 69.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Catherine A. Wittman has 2 publications on record
Dmand AI links 2 papers to Dr. Wittman, published from 2013 to 2014. The most frequent topics are HIV Infections. Dr. Wittman's most frequent co-authors are Matthew Ray Gingo, Emily Siu Clausen, MD and Khaled Fernainy, MD.
Topics Dr. Wittman writes about most
- HIV Infections
Dr. Wittman's most frequent co-authors
- Matthew Ray Gingo2 shared papers
- Emily Siu Clausen, MD1 shared paper
- Khaled Fernainy, MD1 shared paper
Recent publications by Dr. Wittman
See who Dr. Wittman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wittman 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. Catherine A. Wittman received $476 in industry payments from 2018 to 2025
CMS Open Payments shows 12 general payments to Dr. Wittman from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $128.
General payments to Dr. Wittman by program year, 2018 to 2025
Companies that paid Dr. Wittman the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Catherine A. Wittman'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)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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Catherine A. Wittman
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. Catherine A. Wittman's NPI number?
Dr. Catherine A. Wittman's NPI number is 1144412610. It was assigned on August 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine A. Wittman?
Dr. Catherine A. Wittman is a pulmonologist in Denver, Colorado. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Catherine A. Wittman practice?
Dr. Wittman practices at 1400 Jackson St, Denver, CO 80206. Dr. Wittman's primary practice is National Jewish Health in Denver, Colorado, part of National Jewish Health. Dmand AI also links Dr. Wittman to 2 hospitals.
What is Dr. Catherine A. Wittman's office phone number?
The practice phone on file for Dr. Wittman is (303) 388-4461.
What is Dr. Catherine A. Wittman's medical license number?
Dr. Wittman holds Colorado license 51031, one of the licenses on file in 2 states.
Which states has Dr. Catherine A. Wittman been licensed in?
Dmand AI has state licenses on file for Dr. Wittman in Colorado and Pennsylvania.
Which hospitals is Dr. Catherine A. Wittman affiliated with?
Dr. Wittman practices at National Jewish Health in Denver, Colorado. Dr. Wittman is also affiliated with Saint Joseph Hospital. Dmand AI links Dr. Wittman to 2 more hospitals.
What medical group is Dr. Catherine A. Wittman part of?
Dr. Wittman is linked to National Jewish Health.
Does Dr. Catherine A. Wittman accept Medicare?
Yes. CMS data shows Dr. Wittman billed Medicare for 285 services in 2024, and Dr. Wittman accepts Medicare assignment.
Does Dr. Catherine A. Wittman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wittman as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Catherine A. Wittman's MIPS score?
Dr. Wittman's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Catherine A. Wittman see?
CMS counts 167 Medicare patients who saw Dr. Wittman in 2024, with an average age of 74.
What services does Dr. Catherine A. Wittman bill to Medicare?
In 2024, Dr. Wittman's most billed Medicare services were office visit, established patient (99214), critical care (99291) and office visit, established patient (99215).
What drugs does Dr. Catherine A. Wittman prescribe most?
In 2024 Medicare Part D data, Dr. Wittman's most prescribed drugs by claims were Fluticasone Propionate, Trelegy Ellipta and Famotidine.
Has Dr. Catherine A. Wittman received payments from drug or device companies?
CMS Open Payments shows $476 in general payments to Dr. Wittman from 8 companies from 2018 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Catherine A. Wittman been practicing?
Dr. Wittman graduated from medical school in 2005, 21 years ago.
Does Dr. Catherine A. Wittman do research?
Dmand AI links 2 publications to Dr. Wittman, published from 2013 to 2014.
Who does Dr. Catherine A. Wittman publish with?
Dr. Wittman's most frequent co-authors are Matthew Ray Gingo (2 shared papers), Emily Siu Clausen, MD (1 shared paper) and Khaled Fernainy, MD (1 shared paper).
Selling to pulmonary disease practices?
See pulmonologists in Colorado by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card