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

Dr. Daniel Witten, MD

Individual provider Internal Medicine Physician · NPI 1245233782

Dr. Daniel Witten, MD is an Internal Medicine in Denver, Colorado. Qualified in 1995, 31 years ago. Practices with Ninth Avenue Internal Medicine LLC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
31
Licensed in
CO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4500 E 9th Ave Ste 140
Denver, CO 80220-3920
Phone: (303) 394-2152
Fax: (303) 394-2496
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 40778 (CO)

Record details

NPI number1245233782
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 28, 2005
Last updated in NPPESNovember 10, 2009
Mailing address4500 E 9th Ave, Ste 140, Denver, CO 80220-3920

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Ninth Avenue Internal Medicine Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Denver