Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Catherine A Wittman, MD

Individual provider Internal Medicine Physician · NPI 1144412610

Dr. Catherine A Wittman, MD is a Critical Care (Intensivists) in Denver, Colorado. Qualified in 2005, 21 years ago. Practices with National Jewish Health, a 246-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Pennsylvania.

Years since qualifying
21
Licensed in
CO, PA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Jackson St
Denver, CO 80206-2761
Phone: (303) 388-4461
Fax: (303) 270-2206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 51031 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD434070 (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 51031 (CO)

Record details

NPI number1144412610
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2007
Last updated in NPPESNovember 11, 2020
Certification dateNovember 11, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice National Jewish Health — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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