Catherine Wittman, MD
NPI 1144412610 · Pulmonary Disease Physician · Denver, CO
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Wittman, MD is a Pulmonary Disease Physician provider in Denver, CO (NPI 1144412610).
Provider details
- NPI number
- 1144412610
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD434070 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
285 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $100 |
| Critical Care, First 30-74 Minutes99291 | 57 | $217 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $148 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 39 | $121 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $186 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 88 | 22 |
| Fluticasone Propionate | 88 | 39 |
| Famotidine | 61 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 52 | 26 |
| Fluticasone Furoatebrand: Arnuity Ellipta | 35 | 14 |
| Tiotropium Bromidebrand: Spiriva Respimat | 35 | — |
| Budesonide/Formoterol Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-17
- Last updated
- 2020-11-11
- Certified
- 2020-11-11
Frequently asked questions
- What is Catherine Wittman's NPI number?
- Catherine Wittman's National Provider Identifier (NPI) is 1144412610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Wittman's specialty?
- Catherine Wittman is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Wittman located?
- Catherine Wittman's practice location on file with NPPES is 1400 Jackson St, Denver, CO 80206-2761.
- What is Catherine Wittman's phone number?
- The practice phone number listed in the NPPES registry for Catherine Wittman is (303) 388-4461.
- Does Catherine Wittman accept Medicare?
- Catherine Wittman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Wittman's NPI active?
- Yes — Catherine Wittman's NPI (1144412610) is active in the NPPES registry as of the last update on 2020-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.